Which statement accurately explains how calcium channel blocker verapamil assists to correct an arrhythmia?

a. The medication desensitizes the heart to the impulse to contract.
b. The medication increases the strength of the impulse from the atrioventricular (AV) node.
c. The medication alters the impulse from the sinoatrial (SA) node.
d. The medication inhibits transmission of the impulse from the AV node.


D
Verapamil blocks calcium from the cardiac cells, inhibiting the transmission of the impulse from the AV node.

Nursing

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