27. Reproductive System

What are the three regions of the male urethra?

Match the component of the glandular secretions with the correct accessory sex gland. A gland may match with more than one component.

________Seminal vesicle

________Prostate

________Bulbourethral gland

a. Citrate

b. Fructose

c. Prostaglandins

d. Coagulating enzyme

e. Mucus

f. Proteolytic enzymes

Fill in the blanks: Internally, the penis contains three cylindrical erectile bodies, the paired ________ and the ________ .

Which of the following is the main function of the scrotum?

a. The scrotum contains the testes and provides additional blood supply to them because of the location outside the abdominopelvic cavity.

b. The scrotum contains the testes and maintains the temperature of the testes about 3° C lower than body temperature, which is the optimal temperature for developing sperm.

c. The scrotum contains the testes and maintains the temperature of the testes about 3° C higher than body temperature, which is the optimal temperature for developing sperm.

d. The scrotum contains the testes and contains the blood testis barrier to separate the seminiferous tubules from the bloodstream.

Sustentacular cells in the testes are nicknamed 'nurse cells.' Explain why the nickname is appropriate.

Mr. Hassan has recently started getting up during the night to urinate and has also noticed that he is having trouble emptying his bladder. He has made a doctor's appointment, but his wife has already told him that the doctor will want to check his prostate. Do you think his wife is correct? Explain your answer.