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HESI 4 Review - Critical Care - MCA 3 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
A patient in septic shock has a blood pressure of 82/50. Which intervention is priority?
- Start a beta-blocker
- Give oral fluids
- Restrict IV fluids
✔✔B. Begin fluid resuscitation
Which ECG change is most concerning for myocardial infarction?
- Sinus bradycardia
- First-degree AV block
- Premature atrial contractions
✔✔B. ST-segment elevation
A patient on a ventilator suddenly has high-pressure alarms. What is the first action?
- Turn off the ventilator
✔✔B. Assess for obstruction or secretions 1 / 4
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- Increase oxygen concentration
- Call the provider immediately
Which medication improves cardiac contractility in cardiogenic shock?✔✔A. Dobutamine
- Nitroglycerin
- Furosemide
- Atropine
What is the most reliable indicator of organ perfusion?
- Respiratory rate
- Blood pressure
- Temperature
✔✔C. Urine output
Which arterial blood gas result indicates metabolic acidosis?
- pH 7.48, HCO₃ 28
✔✔B. pH 7.30, HCO₃ 18 2 / 4
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- pH 7.50, PaCO₂ 32
- pH 7.35, PaCO₂ 60
What is the priority intervention for a patient with chest tube dislodgement?✔✔A. Apply a sterile occlusive dressing
- Insert a new chest tube
- Clamp the tubing
- Place the patient in Trendelenburg position
Which medication is used in the management of anaphylactic shock?✔✔A. Epinephrine
- Dopamine
- Morphine
- Diazepam
A patient with increased intracranial pressure should be positioned:
✔✔A. Head of bed elevated 30 degrees
- Flat with legs raised 3 / 4
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- Trendelenburg
- Prone
Which electrolyte must be closely monitored during continuous IV furosemide therapy?✔✔A. Potassium
- Sodium
- Calcium
- Magnesium
Which clinical sign indicates hypovolemic shock?
- Warm, flushed skin
- Bounding pulses
- Bradycardia
✔✔B. Cool, clammy skin
The most important nursing action when giving norepinephrine is to:
✔✔A. Monitor blood pressure frequently
- Increase oral fluids
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