A calcium channel blocker has been prescribed for a client with hypertension.The nurse explains that this drug affects the function of the L-type calcium channel by which action?
A) Enhancing the action potential along the cell membrane
B) Changing the shape of the L-type calcium channel
C) Blocking sympathetic input to the cell membrane
D) Competing for calcium receptors on the L-type calcium channel
Correct Answer:
Verified
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