Nicotine contributes to erectile problems in men by:
A) Constricting blood vessels.
B) Inhibiting neural pathways associated with arousal.
C) Indirectly increasing performance anxiety.
D) Increasing blood flow.

Question

Quizplus · Accepted Answer

Nicotine is a vasoconstrictor, which means it constricts blood vessels, including those in the penis. This can decrease blood flow to the area, which can contribute to erectile problems.

Answer: B 
 Nicotine can inhibit neural pathways associated with arousal, which can make it more difficult for men to become sexually aroused or maintain an erection.

Answer: C 
 Nicotine indirectly increases performance anxiety by causing feelings of stress and anxiety, which can make it more difficult for men to become sexually aroused or maintain an erection.

Answer: D 
 This is not correct. Nicotine constricts blood vessels, which can decrease blood flow to the penis and contribute to erectile problems. It does not increase blood flow.

Nicotine Contributes to Erectile Problems in Men By