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Question 1 of 5

Which of the following electrolyte imbalances is likely to result in a shortened QT interval?

Correct Answer: A

Rationale: Hypercalcemia shortens the QT interval on an ECG by accelerating cardiac repolarization. Hyponatremia hypomagnesemia and hyperphosphatemia are more likely to prolong the QT interval or have other ECG effects.

Question 2 of 5

The nurse is teaching the client with AIDS regarding needed changes in food preparation. Which statement indicates that the client understands the nurse's teaching?

Correct Answer: B

Rationale: Thoroughly cooking meat reduces the risk of foodborne infections, which is critical for clients with AIDS due to their compromised immune systems.

Question 3 of 5

A client with a history of breast cancer is admitted with complaints of fatigue. The nurse should give priority to:

Correct Answer: A

Rationale: Fatigue in breast cancer may indicate anemia, so monitoring for anemia is the priority.

Question 4 of 5

A 55-year-old client is admitted with a diagnosis of renal calculi. He presented with severe right flank pain, nausea, and vomiting. The most important nursing action for him at this time is:

Correct Answer: C

Rationale: Straining urine provides for assessment of calculi and evaluation of calculi descent through ureters and urethra.

Question 5 of 5

The client is admitted with a possible myocardial infarction. The nurse would anticipate an order from the physician for which laboratory test?

Question Image

Correct Answer: A, C, D

Rationale: Creatine kinase (
A), myoglobin (
C), and troponin T (
D) are cardiac biomarkers elevated in myocardial infarction. Ammonia (
B), gamma-glutamyl transferase (E), and bilirubin (F) are unrelated to acute cardiac events.

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