Multiple Choice
Which of the following statements is accurate regarding the effects of norepinephrine on smooth muscle?
A) It is excitatory, causing depolarization of smooth muscle cells and contraction.
B) It is inhibitory, causing hyperpolarization of smooth muscle cells and relaxation.
C) It is released from small varicosities (swellings) on axons onto the smooth muscle tissue
D) all of the above are accurate statements
Correct Answer:
Verified
Correct Answer:
Verified
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