Which test is encouraged annually for every man older than age 40? a. Prostate ultrasound b. Serum creatinine c. Digital rectal examination d. Acid phosphatase Which of the following is the most...

Which test is encouraged annually for every man older than age 40?

a. Prostate ultrasound

b. Serum creatinine

c. Digital rectal examination

d. Acid phosphatase

Which of the following is the most common cause of erectile dysfunction?

a. Endocrine problems

b. Circulatory problems

c. Excessive stress

d. Excessive alcohol use