Certified Medical-Surgical Registered Nurse Practice Test

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Question: 1 / 50

What ECG abnormalities would be observed in a patient with hyperkalemia?

Tall, tented T waves; a widened QRS complex; and a prolonged PR interval

A flat ST segment and Q wave

No T wave, QRS, or PR interval changes

No ECG abnormalities

In a patient with hyperkalemia, the correct ECG abnormalities that would be observed are typically absent T waves, widened QRS complex, and peaked or tall, tented T waves. Therefore, the correct answer is D because the patient with hyperkalemia would not show a normal ECG reading. Option A is incorrect because it describes the ECG abnormalities associated with hyperkalemia. Option B is incorrect as it describes ECG changes seen in myocardial infarction. Option C is incorrect because hyperkalemia does produce ECG abnormalities.

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