How would increasing NO release affect smooth muscles in the genitals? Select on

Question

How would increasing NO release affect smooth muscles in the genitals? Select one: O a. It would cause smooth muscles in the genital arteries to relax, decreasing blood flow to the genitals. b. It would cause smooth muscles in the genital arteries to relax, increasing blood flow to the genitals. O c. It would cause smooth muscles in the genital arteries to contract, increasing blood flow to the genitals. O d. It would cause smooth muscles in the genital arteries to contract, decreasing blood flow to the genitals. How does Viagra work? Select one: a. It slows the breakdown of cGMP by PDES b. It increases the concentration of calcium in the cytoplasm of smooth muscle cells c. it decreases norepinephrine release d. It stimulates nitric oxide release.

Explanation / Answer

1st question answer will be

B) It would cause smooth muscle in the genital arteries to relax, increasing blood flow to the genitals..

It is because NO is a potent vasodilator..

Question number 2 answer will be

A) It slows the breakdown of cGMP by PDE5..

Viagra is a potent inhibitor of PDE5 which cause degradation of cGMP..

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