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Metoprolol (Lopressor) Quiz

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Questions and Answers

What is the primary action of Metoprolol (Lopressor) as a beta blocker?

Causes bronchoconstriction and increases cardiac output

Blocks alpha-adrenergic receptor sites in the heart

Decreases heart rate, conduction velocity, and myocardial contractility (correct)

Increases heart rate and myocardial contractility

Which condition is a contraindication for the use of Metoprolol (Lopressor)?

Hypersensitivity (correct)

Myocardial Infarction

Hypertension

Atrial Fibrillation

What is the recommended adult dose of Metoprolol (Lopressor) for slow IV administration?

5 mg at 1-2 min intervals up to 15 mg max (correct)

15 mg as a single dose

2.5 mg at 3-4 min intervals up to 7.5 mg max

10 mg at 5 min intervals up to 30 mg max

What is a potential side effect of Metoprolol (Lopressor) administration?

<p>Bradycardia (C)</p> Signup and view all the answers

Study Notes

Metoprolol (Lopressor) Overview

Metoprolol is a beta-blocker medication primarily used to lower heart rate and reduce blood pressure by blocking beta-1 adrenergic receptors in the heart.

Contraindications

Asthma is a significant contraindication for using Metoprolol, as it can cause bronchoconstriction due to non-selective beta-blocking effects.

Recommended Dosage

For slow IV administration, the typical adult dose of Metoprolol is 5 mg, administered at 2 to 5-minute intervals as needed, not exceeding a total of 15 mg.

Potential Side Effects

Common side effects of Metoprolol include fatigue, dizziness, and bradycardia, which is a condition where the heart beats slower than normal.

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Description

Test your knowledge about the medication Metoprolol (Lopressor), its class, action, and indications. Check if you are familiar with its contraindications and potential side effects.