Male GU

Question 1

What hormone stimulates seminiferous tubules to produce sperm?

Answer 1

FSH

Question 2

Which hormones produce testosterone via the interstitial cells of the testes and subsequent sperm maturation?

Answer 2

LH or ICSH

Question 3

Where is estrogen produced in the male?

Answer 3

Adrenal cortex (unknown role)

Question 4

How is circulating testosterone controlled?

Answer 4

Negative feedback: Decreased testosterone, increases GNRH. FSH and ICSH then stimulated to produce more testosterone, sperm production and maturation.

Question 5

How large is a normal prostate?

Answer 5

2-3 cm, 3 cm in length.

Question 6

T/F The prostate is made up of 3 lobes.

Answer 6

False. 2 lobes separated by sulcus.

Question 7

When would a prostate not have a sulcus?

Answer 7

Inflamed/infected or hypertrophied prostate is smooth and enlarged, no sulcus.

Question 8

During the rectal exam, when a patient bears down, what are you testing for?

Answer 8

Hemorrhoids.