Ace the Certified Medical-Surgical RN Exam 2026 – Power Up Your Nursing Game!

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Mrs. Clark is prescribed metoprolol tartrate (Lopressor) for hypertension. Which symptom of hypoglycemia would be masked by Lopressor?

Diaphoresis.

Diplopia.

Tachycardia.

Metoprolol is a beta-blocker that can mask tachycardia, which is a symptom of hypoglycemia. When a person experiences hypoglycemia, their body releases adrenaline, leading to symptoms such as tachycardia (increased heart rate). By taking metoprolol, which reduces heart rate, this symptom may be masked or not as noticeable, potentially causing a delay in recognizing hypoglycemia. Diaphoresis, diplopia, and tingling are not typically affected by beta-blockers like Lopressor.

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Tingling.

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