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: Erection Physiology 1
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Male: Erection Physiology
Your Answer
Correct Answer
1. Nitric Oxide (NO) is the neurtransmitter that is released at the penis.
True
False
2. An erection is caused by increased blood flow into the penis.
True
False
3. Increased levels of Guanosine Monophosphate (cGMP) will lead to an erection.
True
False
4. NO is an enzyme that causes the breakdown of cGMP.
True
False
5. PhosphoDiEsterase type 5 (PDE-5) is an enzyme that causes the breakdown of cGMP.
True
False
6. Too much PDE - 5 may lead to erectile dysfunction.
True
False
7. Too little cGMP may lead to erectile dysfunction.
True
False
8. Viagra, and other ED drugs, typically work by inhibiting PDE - 5.
True
False
9. Viagra, and other ED drugs, typically work by promoting the synthesis of NO at the penis.
True
False
10. When a male takes viagra, they will automatically get an erection (even without sexual stimulation).
True
False
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Last modified on November 14, 2005
