A Certain Drug Decreases Heart Rate by Producing Hyperpolarization in the Pacemaker

question 155

Multiple Choice

A certain drug decreases heart rate by producing hyperpolarization in the pacemaker cells of the heart.This drug probably binds to

• A) nicotinic receptors.
• B) muscarinic receptors.
• C) alpha adrenergic receptors.
• D) beta receptors.

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The process of discontinuing tobacco smoking, which often involves overcoming nicotine addiction and changing habits.

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The degree to which a patient correctly follows medical advice, including taking medications as prescribed.

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