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:
A) Blocking sympathetic input to the cell membrane.
B) Enhancing the action potential along the cell membrane.
C) Competing for calcium receptors on the L-type calcium channel.
D) Changing the shape of the L-type calcium channel.
Correct Answer:
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