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Critical Care Nursing

194 questions found

Practice Questions

120. A patient post-cardiac arrest is intubated and sedated. The nurse observes sudden onset of bradycardia and hypotension. What medicinal concern is immediate if receiving a continuous infusion of dexmedetomidine?

A. Patient needs more sedation
B. Dexmedetomidine-induced bradycardia and hypotension, requiring physician notification and possible dose reduction
C. Pain is not controlled
D. Allergic reaction
nmdcat.online BS Nursing
Jun 6, 2026

121. A patient with severe acute pancreatitis has a sudden onset of increasing abdominal pain, distension, and signs of systemic inflammatory response (SIRS). What clinical complication is concerning?

A. Hypoglycemia
B. Pancreatic necrosis with potential for sepsis and organ failure
C. Renal failure
D. Urinary tract infection
nmdcat.online BS Nursing
Jun 6, 2026

122. A nurse is troubleshooting a continuous cardiac monitor showing frequent artifact. What is the technical troubleshooting step?

A. Ignore the artifact
B. Check lead placement, ensure good skin contact, clean skin, and replace electrodes
C. Increase the volume
D. Turn off the monitor
nmdcat.online BS Nursing
Jun 6, 2026

123. A patient with severe respiratory failure is on mechanical ventilation and receiving high levels of oxygen. The nurse observes new onset of confusion and somnolence. What critical respiratory concern is immediate?

A. Patient is agitated
B. CO2 narcosis in patients with chronic hypercapnia (e.g., COPD) due to excessive oxygen
C. Hypoglycemia
D. Patient is anxious
nmdcat.online BS Nursing
Jun 6, 2026

124. A patient in acute heart failure has severe dyspnea and crackles bilaterally. The nurse is preparing to administer furosemide IV. What is the medicinal purpose of furosemide in this situation?

A. To increase blood pressure
B. To reduce fluid overload and pulmonary edema
C. To increase heart rate
D. To sedate the patient
nmdcat.online BS Nursing
Jun 6, 2026

125. A patient with a severe gastrointestinal hemorrhage is receiving a continuous infusion of proton pump inhibitor (PPI). What is the medicinal purpose of this infusion?

A. To increase stomach acid
B. To suppress gastric acid secretion and promote ulcer healing
C. To stimulate appetite
D. To reduce nausea
nmdcat.online BS Nursing
Jun 6, 2026

115. A patient with a tension pneumothorax suddenly becomes hypotensive and develops jugular vein distension. What is the immediate life-saving nursing intervention?

A. Administer IV fluids rapidly
B. Prepare for immediate needle decompression or chest tube insertion
C. Administer a diuretic
D. Initiate CPR
nmdcat.online BS Nursing
Jun 6, 2026

101. A patient with acute myocardial infarction develops sudden onset of dyspnea, crackles, and S3 heart sound. What clinical complication is most concerning?

A. Pericarditis
B. Acute decompensated heart failure (pulmonary edema)
C. Myocardial rupture
D. Deep vein thrombosis
nmdcat.online BS Nursing
Jun 6, 2026

102. A nurse is troubleshooting a mechanical ventilator alarm “low pressure.” What is the technical troubleshooting step?

A. Increase the PEEP
B. Check for a leak in the ventilator circuit or patient disconnection
C. Decrease the tidal volume
D. Increase the respiratory rate
nmdcat.online BS Nursing
Jun 6, 2026

103. A patient with severe sepsis is receiving continuous infusion of vasopressors. The nurse observes new onset of cool, mottled extremities and decreased peripheral pulses. What is the critical nursing action?

A. Increase the vasopressor dose
B. Assess for signs of peripheral ischemia due to vasopressor effects, notify physician, and consider dose adjustment
C. Apply warm compresses
D. Administer a diuretic
nmdcat.online BS Nursing
Jun 6, 2026

104. A patient with acute kidney injury is receiving continuous renal replacement therapy (CRRT). The nurse observes the patient’s blood pressure is trending downward. What is the immediate nursing action?

A. Increase the CRRT blood flow
B. Assess for hypovolemia or bleeding, and adjust CRRT fluid removal rate or administer fluids as ordered
C. Decrease the CRRT fluid removal rate
D. Stop CRRT without orders
nmdcat.online BS Nursing
Jun 6, 2026

105. A patient with a severe traumatic brain injury has an ICP of 20 mmHg. The physician orders hypertonic saline. What is the medicinal purpose of hypertonic saline in this situation?

A. To increase blood pressure
B. To reduce cerebral edema by drawing fluid out of the brain
C. To increase urine output
D. To sedate the patient
nmdcat.online BS Nursing
Jun 6, 2026

106. A patient in critical care develops sudden onset of severe abdominal pain, rigid abdomen, and rebound tenderness. What clinical emergency is suspected?

A. Appendicitis
B. Perforation of a hollow organ or peritonitis
C. Cholecystitis
D. Pancreatitis
nmdcat.online BS Nursing
Jun 6, 2026

107. A nurse is setting up a new cardiac monitor for a patient with a history of arrhythmias. What is the technical consideration for optimal ECG lead placement?

A. Place electrodes on bony prominences
B. Place electrodes on fleshy areas, avoiding bony prominences, and ensure good skin contact
C. Place electrodes over joints
D. Place electrodes on hair-covered areas
nmdcat.online BS Nursing
Jun 6, 2026

108. A patient is admitted to the ICU with a severe drug overdose. The patient is unresponsive, bradypneic, and hypotensive. What is the most urgent initial nursing intervention?

A. Administer oral fluids
B. Secure the airway, support ventilation, and administer antidote if available (e.g., naloxone)
C. Administer a diuretic
D. Call family members
nmdcat.online BS Nursing
Jun 6, 2026

109. A patient with severe acute pancreatitis develops hypotension, tachycardia, and a large amount of third-spacing fluid. What is the critical nursing intervention?

A. Administer a diuretic
B. Aggressive intravenous fluid resuscitation to maintain circulating volume
C. Administer antibiotics
D. Administer an antiemetic
nmdcat.online BS Nursing
Jun 6, 2026

110. A patient in cardiac arrest is receiving epinephrine during CPR. What is the medicinal purpose of epinephrine in this situation?

A. To decrease heart rate
B. To increase myocardial contractility and peripheral vasoconstriction
C. To dissolve clots
D. To sedate the patient
nmdcat.online BS Nursing
Jun 6, 2026

111. A patient with septic shock is receiving continuous infusion of norepinephrine. The nurse observes the patient’s lactate level is still trending upwards (e.g., 6 mmol/L). What is the critical clinical implication?

A. Patient is recovering
B. Persistent tissue hypoperfusion and ongoing shock despite vasopressor support
C. Lactate is falsely elevated
D. Patient is receiving too much fluid
nmdcat.online BS Nursing
Jun 6, 2026

112. A nurse is managing a patient on an intra-aortic balloon pump (IABP). The nurse observes the IABP balloon is augmenting too early on the arterial waveform. What is the technical implication of this timing error?

A. Increased coronary artery perfusion
B. Decreased cardiac output and increased afterload
C. Decreased preload
D. Decreased heart rate
nmdcat.online BS Nursing
Jun 6, 2026
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