The nurse in the ED is reviewing the EKG strip of a client who has prolonged vomiting. Which of the following abnormalities on the client's EKG should the nurse interpret as a sign of hypokalemia?
Elevated ST segment
Wide QRS
Inverted P wave
Abnormally prominent U wave
The Correct Answer is D
A. Elevated ST segment is typically seen with conditions like pericarditis or acute myocardial injury, not hypokalemia.
B. Wide QRS could be related to various conditions, including bundle branch block or electrolyte disturbances, but it is not specifically indicative of hypokalemia.
C. Inverted P wave could be due to atrial arrhythmias but is not a hallmark of hypokalemia.
D. Abnormally prominent U wave is a classic sign of hypokalemia and is often seen following the T wave on an EKG.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["7"]
Explanation
- Available furosemide is at a concentration of 10 mg/mL.
- The ordered dose is 70 mg.
- To find the volume, divide the ordered dose by the concentration:
- 70 mg / 10 mg/mL = 7 mL
Correct Answer is C
Explanation
A. Chlordiazepoxide is a benzodiazepine used for alcohol withdrawal, but folic acid is not commonly used for managing withdrawal symptoms.
B. Promethazine is an antiemetic, and thiamine is given to prevent Wernicke's encephalopathy, but they are not primarily used to manage withdrawal symptoms.
C. Chlordiazepoxide and lorazepam are both benzodiazepines that are commonly used to manage alcohol withdrawal symptoms by calming the nervous system and preventing seizures or delirium tremens.
D. Lorazepam is appropriate, but promethazine is not typically used to treat alcohol withdrawal symptoms.
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