Quiz: Reproductive Physiology

This quiz is to review the material covered in the first two reproductive physiology lectures, as well as relevant material on the handout. Some questions are multiple choice: choose your answer from the set of answers given in [parentheses] and type it into the box. If you find that the choice you picked is wrong, be sure to consult me or your notes and figure out why it is the wrong answer!

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	Fill in choice	Correct	False	Correct Answer
1. Which of the following causes aneuploidy (an abnormal number of chromosomes)? [meiosis; recombination; independent assortment; nondisjunction]
2. Absolute deficiency of this hormone in the obese mutant mouse causes hypogonadotropic hypogonadism.
3. What is the most potent androgen? [testosterone; androstenedione; DHEA; DHT]
4. Movement of sperm along the vas deferens depends upon: [nutrients in seminal fluid; flagellar motility; peristalsis]
5. Which type of germ cell is found in the basal compartment of the seminiferous tubule? [spermatozoon; spermatogonium; spermatocyte; spermatid]
6. Which cell in the testis has receptors for FSH? [Sertoli; Leydig; germ cell]
7. Name the neurotransmitter released by the NANC neurons that innervate the smooth muscle cells of the penile arteries. [NE; NO; ACh]
8. Name the intracellular messenger that increases inside smooth muscle cells following stimulation by NANC neurons. [Ca++; cGMP; cAMP; PDE; IP3]
9. Name the target of the drug sildenafil. [Ca++ channel; guanylate cyclase; phosphodiesterase]
10. Name the disorder that is associated with an increased risk for later development of testicular cancer.
11. Name a 5-α-reductase inhibitor that is used to treat benign prostatic hyperplasia.
	(answer must match choices given)