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Undifferentiated spermatogenic cells are called


A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.

E) A) and B)
F) None of the above

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The spermatogenic cells that line the seminiferous tubules produce sperm.

A) True
B) False

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The interstitial cells of the testes produce


A) seminal fluid.
B) spermatogenic cells.
C) sperm cells.
D) androgens.

E) B) and C)
F) A) and D)

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"You can't possibly have breast cancer," said Jim to his roommate Eliot, who was distraught after a visit to a doctor. "You're a man!" "No, Jim. A certain percentage of breast cancer cases are in men." That percentage is


A) 0.5.
B) 0.75.
C) 1.0.
D) 10.

E) None of the above
F) A) and B)

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An endocrinologist wants to study testosterone levels in a certain group of males. Which of the following best describes sources in which testosterone can be found and used in this study?


A) Blood only
B) Blood and urine only
C) Urine only
D) Blood, urine, and skin

E) B) and D)
F) All of the above

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Judy runs 50 miles a week. She and her husband have been trying to conceive for three years, with no luck. Her disturbed reproductive cycles and infertility are due to


A) increased secretion of adrenal androgens.
B) decreased secretion of adrenal androgens.
C) increased synthesis of estrogens.
D) decreased synthesis of estrogens.

E) None of the above
F) A) and B)

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Lulu is 53 and has not had her menstrual period in a year. Several times a day, she feels a tingling in her upper chest, and then heat washes over her, in an upward direction. It is intensely uncomfortable for about 5 minutes, during which she is nearly overwhelmed with an urge to fling off her clothing. The cause of Lulu's hot flashes is


A) an increase in gonadotropin concentration and a decrease in estrogen concentration.
B) an increase in gonadotropin concentration and an increase in estrogen concentration.
C) a decrease in gonadotropin concentration and an increase in estrogen concentration.
D) a decrease in gonadotropin concentration and a decrease in estrogen concentration.

E) A) and D)
F) B) and D)

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The tubular part of the uterus that extends downward into the upper vagina is the


A) fundus.
B) cervix.
C) perimetrium.
D) endometrium.

E) A) and B)
F) B) and D)

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Choose the statement that is true of meiosis, considering the entire process and the events of all stages. 


A) During prophase II, chromosomes re-replicate themselves to form a diploid cell and condense.
B) Sex cells go from being diploid to haploid during meiosis I.
C) Crossover occurs during anaphase I.
D) During anaphase II, the two homologous chromosomes are separated and pulled to opposite ends of the cell.

E) All of the above
F) C) and D)

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A mammary gland contains ________ lobes.


A) paired
B) three
C) ten
D) fifteen to twenty

E) C) and D)
F) All of the above

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Oral contraceptives may cause


A) pregnancy, as they have a high (21 in 100 women) rate of failure.
B) breast tenderness.
C) intrauterine damage.
D) loss of bone density.

E) A) and B)
F) A) and C)

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A man chooses to become sterilized via vasectomy. How will this affect interstitial cells?


A) Injury to the ductus differentia signals for interstitial cells to stop nourishing spermatogenic cells.
B) The procedure of a vasectomy only blocks the movement of sperm through the ductus deferens and won't affect interstitial cells.
C) Interstitial cells lining the ductus deferens stop producing alkaline secretions, killing sperm as they travel through.
D) The vasectomy causes secretions that interrupt testosterone secretion from interstitial cells.

E) All of the above
F) C) and D)

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In a certain male individual, primary spermatocytes do not divide into secondary spermatocytes, yet still undergo spermiogenesis and form mature sperm. These sperm then fertilize a normal oocyte. What will be true of the zygote?


A) The zygote will have 46 chromosomes instead of 23.
B) The zygote will be diploid instead of haploid.
C) The zygote will have 69 chromosomes instead of 46.
D) The zygote will have only paternal chromosomes.

E) None of the above
F) A) and B)

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Gonadotropins include FSH and LH.

A) True
B) False

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Which of the following is a chemical barrier type contraceptive?


A) Coitus interruptus
B) Spermicidal cream
C) Intrauterine device
D) Diaphragm

E) C) and D)
F) A) and D)

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The hormone(s) mainly responsible for the development and maintenance of female secondary sexual characteristics is


A) estrogens.
B) progesterone.
C) androgens.
D) luteinizing hormone.

E) B) and C)
F) All of the above

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The hormone responsible for the development and maintenance of male secondary sex characteristics is


A) LH.
B) FSH.
C) testosterone.
D) gonadotropin-releasing hormone.

E) All of the above
F) B) and D)

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A female patient develops genital warts after recent sexual contact. What pathogen has she been exposed to? What complication can this pathogen produce if the infection advances?


A) Human immunodeficiency virus (HIV) ; Acquired immune deficiency syndrome (AIDs)
B) Chlamydia trachomatis bacteria; Pelvic inflammatory disease
C) Human papilloma virus (HPV) ; Risk of cervical cancer
D) Neisseria gonorrhoeae bacteria; Arthritis

E) A) and B)
F) B) and D)

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The broad, suspensory, and ovarian ligaments hold an ovary in position.

A) True
B) False

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The epididymis, coiled on the outer surface of the testis, becomes the


A) penile urethra.
B) rete testis.
C) tunica albuginea.
D) ductus deferens.

E) B) and C)
F) A) and D)

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