Asked by Samantha Dopson on May 03, 2024

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Viagra is used to treat erectile dysfunction by prolonging the effects of ________ on blood vessels.

A) substance P
B) dopamine
C) GABA
D) nitric oxide (NO)

Nitric Oxide (NO)

A gaseous signaling molecule involved in various physiological processes, including vasodilation and neurotransmission.

Erectile Dysfunction

A condition characterized by the inability to maintain an erection sufficient for satisfactory sexual performance.

Viagra

A pharmaceutical drug used to treat erectile dysfunction by increasing blood flow to the penis.

  • Study the consequences of toxins and drugs on the functionality of synapses.
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Sarah ChadwickMay 04, 2024
Final Answer :
D
Explanation :
Viagra works by prolonging the effects of nitric oxide (NO) on blood vessels. Nitric oxide is a key molecule in the process of vasodilation, which helps increase blood flow to the penis, thereby facilitating erections.