Question

Mr X is a 56-year-old man with a history of hypertension, obesity, and diabetes. During a routine visit with his physician, he reports that he has been experiencing significant erectile dysfunction (ED) for the past 6 months. A. Mr. X's doctor warned Mr. X that given his history of diabetes, the PDE5 inhibitor (Viagra) might not be effective. Why would a man with diabetes not necessarily be helped by a PDE5 inhibitor? B. Briefly describe two ways that hypertension could contribute to Mr. X's erectile dysfunction (ED). C. Briefly describe two ways that diabetes could contribute to Mr. X's erectile dysfunction (ED). D. Mr. X's doctor prescribed a PDE5 inhibitor. By what mechanism does this drug improve erectile function.

          Mr X is a 56-year-old man with a history of hypertension,
obesity, and diabetes. During a routine visit with his physician,
he reports that he has been experiencing significant erectile
dysfunction (ED) for the past 6 months.
A. Mr. X's doctor warned Mr. X that given his history
of diabetes, the PDE5 inhibitor (Viagra) might not be
effective. Why would a man with diabetes not necessarily be helped
by a PDE5 inhibitor?
B. Briefly describe two ways that hypertension could contribute
to Mr. X's erectile dysfunction (ED).
C. Briefly describe two ways that diabetes could contribute to
Mr. X's erectile dysfunction (ED).
D. Mr. X's doctor prescribed a PDE5 inhibitor. By what mechanism
does this drug improve erectile function.

Added by Steven B.

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