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 lecture outline.

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. Which of the following is a noninvasive method for prenatal diagnosis of genetic abnormalities? [chorionic villus sampling; cell-free DNA analysis; amniocentesis]
3. Name the hormone that is permissive for the increase in GnRH seceretion that occurs at puberty.
4. What is the most potent androgen?
[testosterone; androstenedione; DHEA; DHT]
5. Movement of sperm along the vas deferens depends upon:
[nutrients in seminal fluid; beating of flagella; smooth muscle contraction]
6. Which type of germ cell is found in the basal compartment of the seminiferous tubule?
[spermatozoon; spermatogonium; spermatocyte; spermatid]
7. Which cell in the testis has receptors for FSH?
[Sertoli; Leydig; germ cell]
8. Name the neurotransmitter released by the NANC neurons that innervate the smooth muscle cells of the penile arteries.
[NE; NO; ACh]
9. Name the intracellular messenger that increases inside smooth muscle cells following stimulation by NANC neurons.
[Ca++; cGMP; cAMP; PDE; IP3]
10. Name the target of the drug sildenafil.
[Ca++ channel; guanylate cyclase; phosphodiesterase, adenylate cyclase]
11. Name the developmental disorder that is associated with an increased risk for later development of testicular cancer.
12. Name a 5-α-reductase inhibitor that is used to treat benign prostatic hyperplasia.

(answer must match choices given)