A certain drug decreases heart rate by producing hyperpolarization in the pacemaker cells of the heart. This drug probably binds to. a) muscarinic receptors. b) beta receptors c) alpha adrenergic receptors. d) nicotinic receptors.
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The drug decreases heart rate by producing hyperpolarization in the pacemaker cells of the heart. Hyperpolarization makes it more difficult for these cells to reach the threshold potential needed to initiate an action potential, thereby slowing the heart rate. Show more…
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