PCCN Quiz -15
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A. A patient with severe asthma exacerbation has a silent chest on auscultation. What does this finding most likely indicate?
Oops! Revisit the signs of severe asthma.
Correct! Well done.
A silent chest indicates little to no airflow due to extreme obstruction and is a sign of impending respiratory collapse.
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B. A patient with Addisonian crisis presents with hypotension, hyponatremia, and hyperkalemia. Which therapy is most urgent?
Oops! Revisit the management of adrenal crisis.
Addisonian crisis is treated with IV glucocorticoids and aggressive fluid resuscitation. Mineralocorticoid replacement is secondary.
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C. A patient asks, “Why do I need to wear this sling after shoulder surgery?” What is the nurse’s best response?
Oops! Revisit principles of patient education.
Patient education should emphasize the purpose and benefits of interventions.
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D. A patient with subarachnoid hemorrhage develops acute severe headache and nuchal rigidity. Which diagnostic test is most sensitive in the first 24 hours?
Oops! Revisit the diagnosis of subarachnoid hemorrhage.
CT is the most sensitive test within the first 24 hours of subarachnoid hemorrhage. LP is performed if CT is negative but suspicion remains high.
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E. A patient with acute myocardial infarction develops new onset systolic murmur and pulmonary edema. Which complication is most likely?
Oops! Revisit mechanical complications of MI.
MI can cause papillary muscle rupture, leading to acute severe mitral regurgitation, pulmonary edema, and a new murmur.
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F. A charge nurse is delegating assignments. Which is appropriate for a licensed practical nurse (LPN)?
Oops! Revisit the scope of practice for LPNs.
LPNs can administer routine medications but cannot perform initial assessments or complex teaching.
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G. A patient with limited English proficiency is about to receive complex medication teaching. What is the nurse’s best action?
Oops! Revisit guidelines for communicating with LEP patients.
Professional interpretation ensures accuracy, confidentiality, and patient safety.
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H. A nurse overhears a colleague sharing a patient’s diagnosis in the elevator with visitors present. What is the most appropriate action?
Oops! Revisit patient confidentiality regulations.
Confidentiality must be maintained in all settings; private correction reinforces professionalism.
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I. A patient’s son becomes upset, saying, “You’re not telling us the whole story about my mother’s prognosis.” What is the nurse’s best response?
Oops! Revisit principles of therapeutic communication with families.
Therapeutic communication involves validating emotions and providing clear, honest information.
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J. A patient with cirrhosis and ascites has fever, abdominal pain, PMN count ≥250 cells/mm³ in ascitic fluid. Best initial therapy?
Oops! Revisit the management of SBP.
Spontaneous bacterial peritonitis requires a 3rd-gen cephalosporin; albumin reduces renal failure and mortality.
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K. A patient with community-acquired pneumonia is hospitalized. Which factor most strongly indicates the need for ICU admission?
Oops! Revisit ICU admission criteria for pneumonia.
Shock requiring vasopressors is a major severity criterion for ICU admission in pneumonia (per IDSA/ATS).
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L. A patient with diabetic ketoacidosis is treated with insulin infusion. Later, he develops lethargy, seizures, and serum sodium of 118 mmol/L. What is the most likely cause?
Oops! Revisit complications of DKA treatment.
Rapid correction of hyperglycemia and osmolality in DKA can cause cerebral edema, especially in younger patients.
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M. A patient with acute kidney injury has oliguria, rising creatinine, and pulmonary edema. Which therapy is indicated?
Oops! Revisit indications for dialysis.
Dialysis is indicated for AKI with refractory hyperkalemia, acidosis, volume overload, or uremic symptoms. Giving potassium or NSAIDs would worsen the condition.
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N. A patient with acute COPD exacerbation shows increasing PaCO₂ and drowsiness. Which intervention is most appropriate?
Oops! Revisit the management of hypercapnic respiratory failure.
Rising CO₂ and altered mental status signal impending respiratory failure requiring ventilatory support.
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O. A patient presents with severe upper GI bleeding and hypotension. What is the priority nursing action?
Oops! Revisit the management of hemorrhagic shock.
The priority in GI bleeding with hemodynamic instability is circulatory support and resuscitation, before diagnostic or pharmacologic therapy.
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P. A patient with septic shock remains hypotensive despite fluid resuscitation. What is the first-line vasopressor recommended?
Oops! Revisit the Surviving Sepsis Campaign guidelines.
Current guidelines recommend norepinephrine as the first-line vasopressor in septic shock unresponsive to fluids, as it provides potent vasoconstriction with minimal tachycardia.
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Q. A patient with traumatic spinal cord injury develops bradycardia, hypotension, and warm extremities. What is the underlying shock type?
Oops! Revisit the types of shock.
Loss of sympathetic tone after spinal cord injury causes distributive shock with hypotension and bradycardia.
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R. A patient with sepsis has lactic acidosis and requires additional monitoring after fluid resuscitation. Which invasive device provides the most accurate assessment of preload and cardiac output?
Oops! Revisit hemodynamic monitoring devices.
A PA catheter allows direct measurement of preload (wedge pressure) and cardiac output, guiding management in complex shock.
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S. A patient admitted with traumatic brain injury has ICP of 28 mmHg. Which intervention is most appropriate?
Oops! Revisit interventions for increased ICP.
Head elevation promotes venous drainage and lowers ICP. Mannitol may be used, but not orally; Trendelenburg worsens ICP.
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T. An adult in generalized convulsive status epilepticus continues seizing on arrival. What is the first-line medication?
Oops! Revisit the management of status epilepticus.
A benzodiazepine is first-line for status epilepticus; fosphenytoin/valproate are second-line for ongoing control.
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U. A patient with suspected upper GI bleed is hypotensive and tachycardic. After stabilization, which medication should be started?
Oops! Revisit the management of upper GI bleed.
IV PPIs reduce gastric acid secretion, help clot stabilization, and are first-line in acute GI bleeding.
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V. A patient with acute decompensated heart failure has pulmonary edema and oxygen saturation of 84% despite supplemental O₂. Which therapy should be initiated?
Oops! Revisit the management of acute pulmonary edema.
BiPAP improves oxygenation and reduces preload/afterload in acute pulmonary edema. Beta-blockers and fluid bolus worsen heart failure; oral diuretics act too slowly.
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W. A patient develops sudden right-sided weakness and facial droop. CT scan shows no hemorrhage. What is the next immediate step in management?
Oops! Revisit acute stroke protocols.
For ischemic stroke within 3–4.5 hours of onset and without contraindications, thrombolytic therapy is indicated. Aspirin is used later if tPA is not given.
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X. A patient with cirrhosis presents with confusion, asterixis, and elevated ammonia levels. What is the primary pharmacologic treatment?
Oops! Revisit the management of hepatic encephalopathy.
Lactulose reduces serum ammonia by promoting its excretion in stool, making it the drug of choice in hepatic encephalopathy.
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Y. A patient with terminal illness says, “I want comfort only, no more aggressive treatments.” What is the nurse’s best action?
Oops! Revisit the nurse’s advocacy role in end-of-life care.
Advocacy requires honoring patient autonomy and ensuring care aligns with goals.
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Z. A patient with diabetic ketoacidosis is being treated with insulin infusion. Glucose is now 190 mg/dL, but acidosis persists. What is the next step in management?
Oops! Revisit DKA management protocols.
Once glucose falls <200 mg/dL but ketoacidosis persists, IV dextrose is added to allow continued insulin until acidosis resolves.
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AA. A provider begins preparing to perform a bedside procedure without verifying the patient’s consent. What is the priority nursing action?
Oops! Revisit the nurse’s advocacy role in patient rights.
Advocacy requires ensuring informed consent before invasive procedures to protect patient rights.
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AB. A patient becomes frustrated when told they must remain NPO before surgery. What is the nurse’s best response?
Oops! Revisit principles of patient education and empathy.
Patient education and empathy reduce anxiety and encourage cooperation.
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AC. A patient with upper GI bleed presents with hematemesis and is hemodynamically stabilized. Which medication should be initiated before endoscopy?
Pre-endoscopic IV PPI reduces gastric acidity, stabilizes clot formation, and lowers rebleeding risk in acute upper GI hemorrhage.
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AD. A nurse notices that a patient’s blood glucose result indicating severe hypoglycemia has not been reported to the provider. What is the best action?
Oops! Revisit the protocol for reporting critical values.
Critical values must be reported promptly to ensure patient safety.
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AE. A patient with acute pulmonary edema due to decompensated heart failure is in severe respiratory distress. Which intervention provides the fastest symptomatic relief?
IV nitroglycerin causes rapid venodilation, reduces preload, and provides immediate relief in acute pulmonary edema.
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AF. A nurse notices that a critical lab result was entered into the system but not communicated to the provider. What is the best action?
Oops! Revisit the protocol for reporting critical lab results.
Prompt reporting of critical results is essential for patient safety.
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AG. A patient with acute coronary syndrome is started on heparin infusion. The nurse notes a drop in platelet count from 220,000 to 90,000 within 5 days. What is the most likely complication?
Oops! Revisit complications of heparin therapy.
HIT typically occurs 5–10 days after heparin exposure and is marked by a >50% platelet drop. It is immune-mediated and pro-thrombotic.
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AH. A patient with severe asthma exacerbation has not responded to inhaled beta-agonists and IV steroids. Which therapy is the next appropriate step?
Oops! Revisit the management of status asthmaticus.
Magnesium sulfate provides bronchodilation in refractory asthma. Antihistamines, antibiotics, and aspirin are not appropriate acute interventions.
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AI. A patient presents with sudden left-sided weakness and arrives within 2 hours of symptom onset. CT scan shows no hemorrhage. What is the best treatment?
Alteplase is indicated within 3–4.5 hours of ischemic stroke onset if no contraindications are present.
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AJ. A patient with ischemic stroke develops right-sided weakness and expressive aphasia. CT shows no hemorrhage. What is the first-line secondary prevention therapy?
Oops! Revisit secondary prevention for stroke.
Aspirin is started early for secondary prevention in ischemic stroke when tPA is not given. Alteplase is for acute reperfusion, not prevention.
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AK. A patient with acute kidney injury has potassium 6.8 mmol/L and ECG showing widened QRS complexes. Which medication should be given urgently to prevent fatal arrhythmias?
Oops! Revisit the emergency management of hyperkalemia.
Calcium gluconate stabilizes cardiac membranes immediately. Other therapies reduce potassium but act more slowly.
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AL. A nurse feels distressed about providing treatment that conflicts with their ethical beliefs. What is the best step?
Oops! Revisit the process for addressing moral distress.
Addressing moral distress through proper channels supports advocacy while maintaining professionalism.
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AM. A patient with acute pancreatitis develops hypocalcemia. Which clinical sign supports this finding?
Oops! Revisit signs of hypocalcemia.
Chvostek’s sign (facial twitch when tapping facial nerve) indicates hypocalcemia, which may occur in severe pancreatitis.
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AN. A patient with STEMI develops sustained ventricular tachycardia with hypotension. What is the immediate management?
Oops! Revisit the ACLS algorithm for unstable tachycardia.
Unstable VT requires immediate synchronized cardioversion. Antiarrhythmics are reserved for stable patients.
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AO. A nurse feels distressed about continuing aggressive care that does not align with the patient’s values. What is the best step?
Addressing moral distress appropriately supports advocacy while maintaining professionalism.
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AP. A patient with suspected gastrointestinal bleed has a positive fecal occult blood test but stable vital signs. What is the most appropriate next step?
Oops! Revisit the management of stable GI bleed.
Stable patients with positive occult blood require diagnostic endoscopy. Surgery is reserved for unstable, active bleeding.
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AQ. A patient with peptic ulcer disease presents with hematemesis and hypotension. Which pharmacologic therapy is most appropriate?
IV PPIs reduce acid secretion and stabilize clot formation in acute upper GI bleeding.
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AR. A patient with upper GI bleeding is stabilized after resuscitation. Which procedure is essential for diagnosis and management?
Oops! Revisit the diagnosis of upper GI bleed.
Endoscopy allows direct visualization and therapeutic intervention, reducing rebleeding and mortality in upper GI bleeding.
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AS. A caregiver says, “I feel overwhelmed and don’t know how much longer I can continue.” What is the nurse’s best response?
Oops! Revisit the concept of systems thinking for caregiver support.
Systems thinking includes connecting caregivers with resources to reduce burden.
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AT. A patient with suspected upper GI bleeding has a hemoglobin of 6.9 g/dL and tachycardia. Which intervention is indicated?
Oops! Revisit transfusion thresholds.
In severe GI bleeding with hemodynamic compromise, transfusion is required to restore oxygen delivery. Iron and hydration are not sufficient.
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AU. A patient with acute anaphylaxis (wheezing, hypotension, urticaria) is in the ED. Which treatment must be given first?
Oops! Revisit the management of anaphylaxis.
IM epinephrine is the life-saving first intervention; antihistamines and steroids are adjuncts after epinephrine.
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AV. A patient with suspected adrenal crisis presents with hypotension, hyponatremia, and hyperkalemia. What is the priority treatment?
Adrenal crisis is a medical emergency managed with corticosteroid replacement and IV fluids to correct shock and electrolyte imbalance.
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AW. A nurse observes a colleague consistently arriving late and leaving tasks unfinished. What is the most appropriate response?
Oops! Revisit principles of professional accountability.
Professionalism includes peer accountability to maintain safe and effective care.
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AX. A patient with ischemic stroke is not eligible for tPA. Which therapy reduces early recurrent stroke risk?
In patients outside the tPA window, aspirin is initiated promptly to reduce recurrent ischemic stroke risk.
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AY. A patient with acute respiratory distress syndrome (ARDS) is on mechanical ventilation. Which strategy is most important for improving survival?
Oops! Revisit lung-protective ventilation principles.
Lung-protective ventilation reduces ventilator-induced injury and improves survival in ARDS.
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AZ. A charge nurse must delegate tasks. Which assignment is appropriate for a nursing assistant?
Oops! Revisit the scope of practice for nursing assistants.
Nursing assistants can assist with mobility for stable patients but not complex tasks.
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BA. A patient with septic shock remains hypotensive despite fluids and norepinephrine. Which additional vasopressor is recommended next?
Oops! Revisit advanced vasopressor therapy.
Vasopressin is the recommended second-line agent added to norepinephrine in refractory septic shock.
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BB. A nurse observes a colleague skipping hand hygiene before entering a patient’s room. What is the most appropriate response?
Oops! Revisit the principles of peer accountability and infection control.
Peer accountability ensures patient safety while preserving professional relationships.
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BC. A patient with septic shock remains hypotensive despite fluids and norepinephrine. What additional therapy improves outcomes?
Stress-dose corticosteroids are recommended in refractory septic shock when fluids and vasopressors are inadequate.
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BD. A patient with acute decompensated heart failure presents with dyspnea, pulmonary rales, and edema. Which lab test best reflects fluid overload severity?
Oops! Revisit diagnostic labs for heart failure.
BNP is released by ventricular stretch and is a sensitive marker of fluid overload in heart failure.
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BE. A patient with acute decompensated heart failure presents with pulmonary edema. Which initial intervention is most appropriate?
Oops! Revisit the management of acute heart failure.
IV loop diuretics are first-line to reduce preload and pulmonary congestion. Fluid bolus would worsen overload, beta-blockers are contraindicated acutely, and insulin has no role here.
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BF. A patient with acute myocardial infarction suddenly develops pulseless ventricular tachycardia. What is the immediate priority intervention?
Oops! Revisit the ACLS algorithm for pulseless VT/VF.
Pulseless VT and VF are treated first with defibrillation for rapid restoration of cardiac rhythm. Drugs are adjuncts after shocks.
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BG. A patient with severe pneumonia develops refractory hypoxemia despite high FiO₂. Chest X-ray shows bilateral infiltrates. What is the most likely condition?
Oops! Revisit the definition of ARDS.
ARDS is characterized by bilateral infiltrates, severe hypoxemia unresponsive to oxygen, and absence of left heart failure.
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BH. A patient with Addison’s disease is admitted for surgery. Which perioperative management is critical?
Oops! Revisit perioperative care for adrenal insufficiency.
Patients with adrenal insufficiency need stress-dose steroids during surgery to prevent adrenal crisis. Withholding steroids would be dangerous.
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BI. A patient after traumatic brain injury has unequal pupils and a sudden drop in level of consciousness. What does this most likely indicate?
Oops! Revisit signs of brain herniation.
Unequal pupils with rapid neurological decline suggests uncal herniation due to increased ICP compressing the third cranial nerve.
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BJ. A nurse notices a coworker documenting an assessment that was never performed. What is the nurse’s best action?
Oops! Revisit the principles of professional accountability and ethical conduct.
Professional accountability requires confronting unsafe or unethical practices respectfully.
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BK. A patient with bacterial meningitis develops hypotension and tachycardia. What is the best immediate management?
Oops! Revisit the management of septic shock in meningitis.
Shock associated with meningitis requires fluid resuscitation first to restore perfusion. Antibiotics follow but fluids are immediate priority.
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BL. A patient with STEMI develops hypotension, muffled heart sounds, and jugular venous distension. What is the most likely complication?
Beck’s triad (hypotension, JVD, muffled heart sounds) strongly suggests tamponade, a rare but fatal post-MI complication.
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BM. A patient with an acute COPD exacerbation is hypoxemic. What oxygen strategy is most appropriate to avoid CO₂ narcosis while correcting hypoxemia?
Oops! Revisit oxygen therapy in COPD.
In COPD, controlled O₂ (SpO₂ 88–92%) corrects hypoxemia without excessive suppression of hypoxic drive or worsening V/Q mismatch and hypercapnia.
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BN. A patient with unstable angina reports chest pain unrelieved by nitroglycerin. What is the next most appropriate intervention?
Oops! Revisit ACS management protocols.
Morphine reduces pain and myocardial oxygen demand in ACS when nitrates are ineffective. Beta-blockers are used but not for acute relief; thrombolytics are for STEMI, not unstable angina.
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BO. A patient with acute coronary syndrome develops bradycardia and hypotension. Which medication should be avoided?
Oops! Revisit contraindications in ACS.
Beta-blockers are contraindicated in bradycardia and hypotension because they further depress heart rate and contractility. Atropine and fluids support hemodynamics.
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BP. A patient with suspected subarachnoid hemorrhage has a normal head CT. What is the next diagnostic step?
If CT is negative but suspicion for SAH remains, lumbar puncture confirms the diagnosis by detecting xanthochromia.
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BQ. A patient with ulcerative colitis presents with fever, tachycardia, and severe abdominal distension. X-ray shows colonic dilation >6 cm. What is the likely diagnosis?
Oops! Revisit complications of IBD.
Toxic megacolon is a life-threatening complication of IBD with systemic toxicity and marked colonic dilation.
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BR. A patient with atrial fibrillation develops rapid ventricular response causing hypotension. What is the most appropriate immediate treatment?
Unstable atrial fibrillation with hypotension requires immediate synchronized cardioversion.
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BS. A patient in septic shock has persistent hypotension despite fluid resuscitation and norepinephrine infusion. Which adjunctive therapy may be added?
Low-dose corticosteroids are considered in refractory septic shock to restore vascular responsiveness. Other listed options are not appropriate.
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BT. A charge nurse must delegate tasks. Which assignment is appropriate for a licensed practical nurse (LPN)?
LPNs can monitor stable patients but cannot perform initial assessments or provide complex education.
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BU. A patient develops new-onset atrial fibrillation with rapid ventricular response after cardiac surgery. Which drug is most appropriate for rate control?
Oops! Revisit post-operative arrhythmia management.
Calcium channel blockers (or beta-blockers) are used for rate control in new atrial fibrillation. Epinephrine and dopamine worsen tachyarrhythmias.
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BV. A patient with ischemic stroke arrives 2 hours after onset of symptoms. CT scan shows no hemorrhage. What is the appropriate intervention?
IV alteplase is indicated within 3–4.5 hours of ischemic stroke onset in eligible patients.
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BW. A patient with severe acute pancreatitis develops increasing intra-abdominal pressure >25 mmHg with organ dysfunction. What is the most definitive treatment?
Oops! Revisit the management of abdominal compartment syndrome.
Abdominal compartment syndrome requires emergent decompression; supportive measures alone are insufficient once organ dysfunction occurs.
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BX. During handoff, a nurse hears a colleague making sarcastic comments about a patient’s weight. What is the most appropriate response?
Oops! Revisit principles of professional conduct.
Professionalism requires addressing unprofessional remarks to protect dignity.
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BY. In the ICU, which strategy has the strongest evidence to prevent and treat delirium?
Oops! Revisit the management of ICU delirium.
Bundled, non-pharmacologic measures with light sedation (e.g., dexmedetomidine/propofol as needed) reduce delirium and ventilation days; benzos and restraints worsen outcomes.
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BZ. During shift change, a nurse hears a colleague making disrespectful comments about a patient’s lifestyle choices. What is the most appropriate response?
Professionalism requires addressing unprofessional behavior to preserve dignity and ethical practice.
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CA. A patient with pulmonary embolism is started on heparin infusion. Which lab value should be closely monitored?
Oops! Revisit anticoagulation monitoring.
Heparin is titrated to therapeutic range using activated partial thromboplastin time (aPTT). INR is used for warfarin monitoring.
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CB. A patient with ST-elevation myocardial infarction (STEMI) arrives 30 minutes after symptom onset. The hospital has PCI capability. What is the preferred reperfusion strategy?
Oops! Revisit STEMI protocols.
PCI is the gold standard for STEMI if performed within 90 minutes of arrival. Thrombolysis is considered only when PCI is not available.
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CC. A patient with atrial fibrillation is started on warfarin therapy. Which lab value is monitored to determine therapeutic range?
Warfarin anticoagulation is monitored with INR, which should typically be 2–3 for atrial fibrillation.
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CD. A patient with suspected acute aortic dissection presents with tearing chest pain and BP 190/110 mmHg. What is the most appropriate immediate pharmacologic step?
Oops! Revisit the management of aortic dissection.
Rapid β-blockade lowers dP/dt and shear across the intima; vasodilators (e.g., nitroprusside) are added only after heart rate/BP are controlled.
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CE. A high-risk patient is scheduled for contrast-enhanced CT. The best-proven strategy to prevent contrast-associated acute kidney injury is:
Oops! Revisit prevention of contrast-induced nephropathy.
Adequate isotonic hydration before and after contrast has the strongest evidence for prevention; other measures have inconsistent benefit and are not superior to fluids.
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CF. A patient in septic shock on norepinephrine develops rising lactate levels and mottled skin. Which additional therapy may improve tissue perfusion?
Vasopressin can be added in septic shock resistant to norepinephrine to improve vascular tone and tissue perfusion.
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CG. A mechanically ventilated patient acutely develops hypotension, tracheal deviation, and absent breath sounds on the right. What is the next action?
Oops! Revisit the management of tension pneumothorax.
Classic tension pneumothorax is a clinical diagnosis requiring emergent decompression without waiting for imaging.
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CH. A patient with community-acquired pneumonia is admitted with PaO₂ of 52 mmHg on room air. What is the initial management priority?
Oops! Revisit the initial management of pneumonia.
Correcting hypoxemia is the first priority; antibiotics follow quickly but oxygen delivery comes first.
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CI. A patient with advanced liver disease says, “I don’t want CPR if my heart stops.” What is the nurse’s best action?
Oops! Revisit the nurse’s role in end-of-life decision making.
Advocacy requires honoring patient autonomy and communicating wishes promptly.
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CJ. A patient develops massive hemoptysis with airway compromise. What is the priority intervention?
Oops! Revisit the management of massive hemoptysis.
Airway protection is priority. Positioning the bleeding side down prevents spillage into the contralateral lung. Definitive bronchoscopy follows.
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CK. A nurse discovers that a patient’s allergy was not documented in the chart and the patient nearly received the allergen. What is the nurse’s best action?
Oops! Revisit the importance of reporting near-misses.
Near-misses must be reported to prevent harm and improve systems safety.
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CL. A patient with upper GI bleeding has hematemesis and hypotension. Which diagnostic procedure is the gold standard to identify and treat the bleeding source?
EGD allows both identification and therapeutic control of upper GI bleeding. Colonoscopy is for lower GI sources.
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CM. A patient with diabetic ketoacidosis presents with potassium 3.1 mmol/L. What is the next best step before starting insulin?
Oops! Revisit electrolyte management in DKA.
Insulin lowers serum potassium further. In DKA with hypokalemia (<3.3), potassium must be corrected before insulin infusion.
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CN. A patient with acute myocardial infarction develops hypotension, clear lungs, and elevated jugular venous pressure. Which complication is most likely?
Oops! Revisit the presentation of RV infarction.
RV infarction presents with hypotension, clear lungs, and JVD. Pulmonary edema is absent, differentiating it from LV failure.
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CO. A patient with acute pulmonary embolism is hypotensive and hypoxemic. What is the recommended immediate therapy?
Oops! Revisit the management of massive PE.
Massive PE with hemodynamic instability requires systemic thrombolysis unless contraindicated.
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CP. A patient with end-stage illness says, “I do not want any further life-prolonging treatments.” What is the nurse’s best action?
Advocacy requires honoring patient autonomy and ensuring wishes are communicated.
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CQ. A patient with COPD exacerbation is on high-flow oxygen. ABG shows pH 7.28, PaCO₂ 72 mmHg. What is the best next step?
BiPAP is first-line for acute hypercapnic respiratory failure in COPD. Intubation is reserved if BiPAP fails.
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CR. A patient with chronic kidney disease presents with hyperkalemia (K⁺ 6.5 mmol/L) and peaked T waves on ECG. What is the immediate priority intervention?
Calcium gluconate stabilizes the cardiac membrane rapidly, preventing arrhythmias. Other measures remove or shift potassium but act more slowly.
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CS. A patient with ARDS is on mechanical ventilation. Which ventilator strategy improves survival?
Low tidal volume ventilation reduces barotrauma and improves outcomes in ARDS.
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CT. A nurse notices a colleague not using gloves while drawing blood. What is the most appropriate action?
Oops! Revisit standard precautions and peer accountability.
Peer accountability helps ensure infection control practices are followed.
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CU. A patient with diabetic ketoacidosis (DKA) is admitted. Which intervention should be initiated first?
Initial priority in DKA is volume resuscitation with isotonic fluids. Insulin follows once potassium is assessed and replaced if necessary.
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CV. A patient with acute pancreatitis presents with severe epigastric pain and hypotension. Which lab finding would most strongly support this diagnosis?
Oops! Revisit diagnostic labs for pancreatitis.
Serum lipase is the most specific marker for acute pancreatitis. Troponin and CK reflect cardiac injury; BUN can rise nonspecifically.
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CW. A patient with Guillain-Barré syndrome develops progressive weakness and difficulty clearing secretions. Which intervention is most urgent?
Oops! Revisit respiratory management in neuromuscular disease.
Guillain-Barré can cause respiratory muscle paralysis; airway protection and ventilation are critical. Corticosteroids are not effective therapy.
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CX. A patient with diabetic ketoacidosis presents with potassium 5.9 mmol/L before insulin infusion is started. What is the best management?
Potassium is often elevated at presentation in DKA, but insulin will lower it. Insulin is started promptly, with potassium monitoring to prevent hypokalemia.
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CY. A patient with suspected bowel perforation presents with severe abdominal pain, rigidity, and free air under the diaphragm on X-ray. What is the priority intervention?
Oops! Revisit the management of bowel perforation.
Perforation with peritonitis and free air requires immediate surgical management. Endoscopy and oral meds are contraindicated.
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CZ. A provider begins preparing to place a central line without verifying informed consent. What is the priority nursing action?
Oops! Revisit the nurse’s advocacy role in patient safety.
Advocacy requires ensuring valid consent before invasive procedures.
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DA. A patient with myxedema coma presents with hypothermia, bradycardia, and hypotension. What is the most appropriate immediate therapy?
Oops! Revisit the management of myxedema coma.
Myxedema coma requires prompt IV thyroid hormone; empiric hydrocortisone is given to cover possible concomitant adrenal insufficiency. Rewarming is gentle and supportive.
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DB. A patient with acute ischemic stroke has blood pressure of 210/115 mmHg but is not a candidate for thrombolytic therapy. What is the best management?
Oops! Revisit blood pressure management in stroke.
Elevated BP is often tolerated in acute ischemic stroke (if no thrombolysis planned) to preserve cerebral perfusion.
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DC. A patient with severe asthma is receiving continuous nebulized albuterol. The nurse notices tremors and a serum potassium of 2.9 mmol/L. What caused this electrolyte disturbance?
Oops! Revisit side effects of beta-agonists.
Beta-agonists drive potassium into cells, lowering serum levels. Hypokalemia is a known side effect.
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DD. A patient with spinal cord injury at C4 suddenly develops severe hypertension, bradycardia, and profuse sweating above the injury level. What condition is this?
Oops! Revisit complications of spinal cord injury.
Autonomic dysreflexia is triggered by noxious stimuli below the injury in high spinal cord lesions and presents with hypertension, bradycardia, and sweating.
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DE. A patient with traumatic brain injury is receiving mannitol. Which finding requires immediate intervention?
Oops! Revisit monitoring for mannitol therapy.
Severe hyponatremia indicates possible over-diuresis and risk of cerebral edema or seizures, requiring urgent correction.
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DF. A patient in septic shock has a central venous oxygen saturation (ScvO₂) of 55% despite adequate fluids and norepinephrine. What is the next best step?
Oops! Revisit goal-directed therapy for sepsis.
Low ScvO₂ may reflect inadequate oxygen delivery. Transfusion is indicated if hemoglobin is critically low.
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DG. A patient with COPD is admitted for acute exacerbation. ABG shows pH 7.36, PaCO₂ 58 mmHg, HCO₃⁻ 32 mEq/L. How should this be interpreted?
Oops! Revisit ABG interpretation.
Elevated PaCO₂ with near-normal pH and elevated HCO₃⁻ indicates chronic CO₂ retention with renal compensation, common in COPD.
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DH. A trauma patient develops flail chest with paradoxical chest wall movement. Which intervention is most likely required?
Oops! Revisit the management of flail chest.
Severe flail chest often requires intubation with positive pressure to stabilize the chest wall and improve gas exchange.
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DI. A patient with Guillain–Barré syndrome is admitted to the ICU. Which therapy improves outcomes by hastening recovery?
Oops! Revisit the treatment of Guillain-Barré syndrome.
IVIG or plasmapheresis shortens recovery in Guillain–Barré. Corticosteroids are ineffective.
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DJ. A postoperative patient develops sudden calf pain, swelling, and warmth. Which diagnostic test is most appropriate to confirm the suspected condition?
Oops! Revisit the diagnosis of DVT.
Calf pain and swelling suggest deep vein thrombosis; venous duplex ultrasound is the gold standard for diagnosis.
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DK. A patient with sepsis develops progressive hypotension despite fluids and vasopressors. Lactate remains elevated. What is the most likely underlying cause?
Oops! Revisit the pathophysiology of septic shock.
In septic shock, cellular metabolism is impaired despite adequate perfusion, leading to persistent lactic acidosis.
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DL. A patient with suspected acute adrenal insufficiency presents with profound hypotension unresponsive to fluids. What is the priority treatment?
Adrenal crisis requires immediate IV corticosteroids plus fluids; without steroids, mortality is high.
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DM. A patient with severe asthma exacerbation has silent chest on auscultation and confusion. What is the next best step?
Silent chest with altered mental status indicates impending respiratory failure requiring intubation.
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DN. A patient with suspected meningitis presents with fever, neck stiffness, and photophobia. Which intervention is most appropriate before lumbar puncture?
Oops! Revisit the management of bacterial meningitis.
In suspected bacterial meningitis, empiric broad-spectrum antibiotics must be started immediately; imaging/LP should not delay therapy.
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DO. A patient with diabetic ketoacidosis is receiving IV insulin infusion. Potassium level is 3.1 mmol/L. What is the priority action?
Hypokalemia must be corrected before insulin infusion, since insulin further lowers serum potassium and may cause arrhythmias.
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DP. A patient with suspected small bowel obstruction presents with abdominal distension, vomiting, and high-pitched bowel sounds. Which diagnostic imaging is most appropriate?
Oops! Revisit the diagnosis of bowel obstruction.
Abdominal X-ray is first-line for suspected bowel obstruction, showing air-fluid levels and distension.
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DQ. A patient with severe COPD exacerbation is on BiPAP but becomes increasingly somnolent with PaCO₂ 85 mmHg. What is the next step?
Oops! Revisit indications for intubation in respiratory failure.
Worsening hypercapnia with declining mental status indicates BiPAP failure, requiring invasive ventilation.
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DR. A patient post–subarachnoid hemorrhage suddenly develops acute confusion and significantly increased urine output. Which complication is most likely?
Oops! Revisit complications of subarachnoid hemorrhage.
Subarachnoid hemorrhage can cause cerebral salt wasting with hyponatremia and high urine output. SIADH typically causes low urine output.
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DS. A patient with pneumonia is on antibiotics but develops progressive hypoxemia and bilateral crackles. Chest X-ray shows diffuse infiltrates. Which condition is suspected?
ARDS can occur secondary to sepsis or pneumonia and manifests as refractory hypoxemia with bilateral infiltrates.
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DT. A patient with acute renal failure has severe hyperkalemia (K⁺ 7.2 mmol/L, ECG: peaked T waves). After stabilizing the myocardium with IV calcium, what is the next therapy to rapidly lower serum potassium?
Insulin shifts potassium intracellularly within minutes. Dialysis is definitive if refractory, but insulin/glucose is rapid and first-line.
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