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Critical Care Nursing

194 questions found

Practice Questions

23. A nurse is preparing to administer an intravenous push medication through a central line. What is the critical technical step to prevent air embolism?

A. Flush the line with saline only after administration
B. Clamp the central line lumen before opening the cap or disconnecting syringes, and ensure no air is in the syringe
C. Push medication rapidly
D. Inject air into the line to ensure patency
nmdcat.online BS Nursing
Jun 6, 2026

24. A patient in acute respiratory failure is being prepared for intubation. What clinical assessment indicates the most immediate need for intubation?

A. Patient is sleeping quietly
B. Rapidly worsening respiratory distress, declining oxygen saturation despite supplemental oxygen, and altered mental status
C. Mild cough
D. Stable vital signs
nmdcat.online BS Nursing
Jun 6, 2026

25. A patient post-cardiac arrest has been resuscitated and is now hypotensive. What is the most urgent initial nursing intervention?

A. Administer epinephrine IV push
B. Administer IV fluid bolus, assess for underlying cause, and initiate vasopressor support if needed
C. Administer a diuretic
D. Initiate CPR
nmdcat.online BS Nursing
Jun 6, 2026

26. A patient is receiving a continuous infusion of heparin for pulmonary embolism. Their aPTT is subtherapeutic. What is the medicinal adjustment the nurse anticipates?

A. Discontinue heparin
B. Increase the heparin infusion rate as per protocol/order
C. Decrease the heparin infusion rate
D. Administer protamine sulfate
nmdcat.online BS Nursing
Jun 6, 2026

27. A patient with severe burns develops progressive hoarseness, stridor, and black sputum. What is the critical respiratory concern?

A. Bronchitis
B. Inhalation injury and impending airway obstruction
C. Allergic reaction
D. Pneumonia
nmdcat.online BS Nursing
Jun 6, 2026

28. A nurse is performing a rapid neurological assessment on a patient with suspected stroke. What is the most urgent assessment parameter to determine time of symptom onset?

A. Current blood pressure
B. Last known well time from patient or family
C. Patient's favorite food
D. Previous medical history
nmdcat.online BS Nursing
Jun 6, 2026

29. A patient is admitted to the ICU with a diagnosis of DKA. Their blood glucose is 600 mg/dL, pH 7.10, and bicarbonate 10 mEq/L. What is the immediate nursing intervention?

A. Administer oral glucose
B. Administer intravenous insulin drip as ordered, along with fluid resuscitation
C. Administer oral bicarbonate
D. Administer a diuretic
nmdcat.online BS Nursing
Jun 6, 2026

30. A nurse is monitoring a patient’s pulmonary artery catheter. The nurse observes a sudden, sustained wedge pressure reading of 30 mmHg. What clinical condition does this indicate?

A. Hypovolemia
B. Severe left ventricular dysfunction and pulmonary edema
C. Right ventricular failure
D. Pulmonary embolism
nmdcat.online BS Nursing
Jun 6, 2026

1. A 68-year-old patient is admitted to the ICU with severe sepsis. Hemodynamic monitoring shows CVP 2 mmHg, MAP 55 mmHg, and heart rate 120 bpm. Urine output is 15 mL/hr. What is the most urgent initial nursing intervention?

A. Administer a diuretic
B. Administer IV fluid bolus rapidly as ordered
C. Start broad-spectrum antibiotics immediately
D. Prepare for central line insertion
nmdcat.online BS Nursing
Jun 6, 2026

3. A nurse is managing a patient with an arterial line. The waveform suddenly flattens. What is the first technical troubleshooting step the nurse should perform?

A. Administer a vasodilator
B. Check for kinks in the tubing, air bubbles, or disconnection, and flush the line
C. Zero the transducer
D. Calibrate the monitor
nmdcat.online BS Nursing
Jun 6, 2026

4. A patient in cardiogenic shock is prescribed dobutamine infusion. What is the primary therapeutic effect of dobutamine in this situation?

A. Decrease myocardial contractility
B. Increase myocardial contractility and cardiac output
C. Increase systemic vascular resistance
D. Decrease heart rate
nmdcat.online BS Nursing
Jun 6, 2026

5. A 45-year-old patient is admitted with status epilepticus. The patient is actively seizing. What is the most critical initial nursing intervention?

A. Administer scheduled oral anti-epileptic medication
B. Protect the patient's airway, administer benzodiazepine (e.g., lorazepam) IV as ordered, and ensure safety
C. Apply restraints immediately
D. Document the seizure characteristics
nmdcat.online BS Nursing
Jun 6, 2026

6. A patient on mechanical ventilation has a high-pressure alarm sounding. The nurse observes the patient is coughing and biting the endotracheal tube. What is the most appropriate initial nursing action?

A. Increase the sedation
B. Assess for and clear airway obstruction (e.g., suction, reposition ETT, provide sedation if indicated)
C. Decrease the tidal volume
D. Disconnect the patient from the ventilator
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

8. A nurse is preparing to administer propofol to a mechanically ventilated patient. What is the critical nursing implication related to this medication?

A. It causes hyperglycemia
B. It can cause significant hypotension and respiratory depression, requiring continuous hemodynamic monitoring and airway support
C. It is an analgesic
D. It is an anticoagulant
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

10. A nurse is caring for a patient with increased intracranial pressure (ICP). The patient’s Glasgow Coma Scale (GCS) score has decreased from 10 to 7. What is the immediate nursing action?

A. Elevate the head of the bed to 10 degrees
B. Notify the physician immediately and prepare for interventions to lower ICP (e.g., hyperventilation, mannitol)
C. Administer a sedative
D. Increase fluid intake
nmdcat.online BS Nursing
Jun 6, 2026

11. A patient with acute kidney injury (AKI) has a potassium level of 6.8 mEq/L. What is the most urgent medicinal intervention to prevent life-threatening arrhythmias?

A. Administer sodium bicarbonate
B. Administer IV calcium gluconate/chloride as ordered (to stabilize myocardium), insulin/dextrose, or furosemide
C. Administer potassium chloride
D. Administer a potassium-sparing diuretic
nmdcat.online BS Nursing
Jun 6, 2026
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