Multiple Choice
Which of these statements does NOT correctly describe nitric oxide?
A) It increases total peripheral resistance by its action on arteriolar smooth muscle.
B) It serves as endothelium-derived relaxing factor.
C) It is the direct mediator of penile erection.
D) It is released as "chemical warfare" by macrophages of the immune system.
Correct Answer:

Verified
Correct Answer:
Verified
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