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Author Question: What is the action of anti-phosphodiesterase drugs in erectile dysfunction? What will be an ideal ... (Read 801 times)

BRWH

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on: Jun 25, 2018
What is the action of anti-phosphodiesterase drugs in erectile dysfunction?
 
  What will be an ideal response?

Question 2

What hormones are produced by tumors of the testes?
 
  What will be an ideal response?


amy.lauersdorf90

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Reply #1 on: Jun 25, 2018
Answer to Question 1

These drugs inhibit the action of the phosphodiesterase enzyme that normally breaks down cGMP that is responsible for smooth muscle relaxation in the penile arteries and the trabeculae within the corpora cavernosa. By inhibiting the phosphodiesterase enzyme, the vasodilator action of cGMP is sustained, resulting in an increased blood flow to the penis (sildenafil (Viagra), vardenafil, tadenafil).

Answer to Question 2

HCG, AFP


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