Nursing Elites

1. What ECG changes are associated with hyperkalemia?

• A. Flattened T waves
• B. ST depression
• C. Prominent U waves
• D. Elevated ST segments

Correct answer: B

Rationale: Hyperkalemia is known to cause ST depression on an ECG. Flattened T waves are more commonly seen in hypokalemia. Prominent U waves are associated with hypokalemia rather than hyperkalemia. Elevated ST segments are not typical findings in hyperkalemia.

2. What is the primary concern in a patient with a low CD4 T-cell count in HIV?

• A. Increased risk of infection
• B. Increased risk of bleeding
• C. Decreased immunity leading to opportunistic infections
• D. Increased risk of cardiac complications

Correct answer: A

Rationale: The correct answer is A: Increased risk of infection. In HIV patients with a low CD4 T-cell count, the primary concern is the increased susceptibility to infections due to compromised immunity. This compromised immune system can lead to various infections, making infection control crucial. Choice B, increased risk of bleeding, is not directly associated with a low CD4 count in HIV. Option C, decreased immunity leading to opportunistic infections, conveys a similar concern as the correct answer but lacks specificity. Choice D, increased risk of cardiac complications, is not typically the primary concern in HIV patients with a low CD4 count, as infections and opportunistic diseases pose more immediate threats to health.

3. A nurse is admitting a client who has suspected appendicitis. Which of the following findings should the nurse report to the provider immediately?

• A. Distended, board-like abdomen
• B. WBC count of 15,000/mm3
• C. Rebound tenderness over McBurney's point
• D. Temperature of 37.3°C (99.1°F)

Correct answer: A

Rationale: A distended, board-like abdomen should be reported to the provider immediately because it indicates peritonitis, a serious complication of appendicitis resulting from a ruptured appendix. Option B, an elevated WBC count, may indicate infection but is not as urgent as a board-like abdomen. Option C, rebound tenderness over McBurney's point, is a classic sign of appendicitis but does not indicate immediate life-threatening complications. Option D, a slightly elevated temperature, is not as concerning as a distended, board-like abdomen.

4. What should the nurse monitor for in a patient with hypokalemia?

• A. Monitor for muscle weakness
• B. Check deep tendon reflexes (DTRs)
• C. Monitor for seizures
• D. Monitor for bradycardia

Correct answer: A

Rationale: The correct answer is to monitor for muscle weakness in a patient with hypokalemia. Hypokalemia, which is low potassium levels, can lead to muscle weakness due to its effects on neuromuscular function. Checking deep tendon reflexes (Choice B) is not typically associated with hypokalemia. Seizures (Choice C) are more commonly associated with low calcium levels rather than low potassium levels. Bradycardia (Choice D) is a symptom of hyperkalemia (high potassium levels) rather than hypokalemia.

5. What intervention is needed when continuous bubbling is observed in the chest tube water seal chamber?

• A. Tighten the connections of the chest tube system
• B. Clamp the chest tube
• C. Replace the chest tube system
• D. Continue monitoring the chest tube

Correct answer: A

Rationale: When continuous bubbling is observed in the chest tube water seal chamber, the correct intervention is to tighten the connections of the chest tube system. This can help resolve an air leak that is causing the continuous bubbling. Clamping the chest tube or replacing the entire chest tube system are not appropriate interventions in this scenario. Clamping the tube can lead to a dangerous buildup of pressure, while replacing the chest tube system may not be necessary if the issue can be resolved by simply tightening the connections. Continuing to monitor the chest tube without taking corrective action may lead to complications associated with the air leak.

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