Which of the following is closest to the average ratio of male to female gametes produced annually by a typical man and woman during their reproductive years?
|A)||100,000 to 1|
|B)||30 million to 1|
|C)||100 million to 1|
|D)||3 billion to 1|
All of the following pairs are female and male homologues except the
|A)||ovaries and testes|
|B)||vestibular glands and seminal vesicles|
|C)||clitoris and glans of the penis|
|D)||labia majora and scrotum|
Considering the relative positions of the vesicouterine pouch and surrounding structures, vesico- most likely refers to which one of the following?
|A)||anterior side of the uterus|
|C)||the urinary bladder|
|D)||a peritoneal fold|
Which selection does not correctly match the ligament with the organ it supports?
|A)||round ligament, uterus|
|B)||cardinal ligament, uterus|
|D)||suspensory ligament, ovary|
The name of which ovarian structure reflects a misconception by early anatomists?
At birth, a baby girl's ovaries contain
|A)||up to ten times as many primordial follicles as they will at puberty|
|B)||well over a million primary oocytes arrested in prophase II of meiosis|
|C)||mostly primordial follicles, but also a few primary and secondary follicles|
|D)||both a and b are true|
Which type of cell may be housed in at least four different types of follicles?
On average, how many mature ova does a healthy, nonpregnant woman produce each year between puberty and menopause?
Which sequence correctly traces events and products of the ovarian cycle?
|A)||corpus luteum > ovulation > primary & secondary follicles > vesicular follicle|
|B)||primary & secondary follicles > vesicular follicle > ovulation > corpus luteum|
|C)||ovulation > primary follicles > corpus luteum > secondary & vesicular follicles|
|D)||ovulation > primary & secondary follicles > corpus luteum > vesicular follicle|
The end of the ____________ phase of the ovarian cycle coincides with the end of the ____________ phase of the uterine cycle.
Regardless of the specific cause, pain accompanying the loss of the endometrial stratum functionalis is known as
FSH is to the ____________ phase of the ovarian cycle as ____________ is to the menstrual and proliferative phases of the uterine cycle.
|D)||none of the above|
If fertilization and implantation both occur successfully, the corpus luteum
|A)||is no longer needed because of hormones produced by the pre-embryo|
|B)||typically continues to secrete progesterone through the third month of pregnancy|
|C)||transforms into a corpus albicans soon after the placenta is fully functional|
|D)||both b and c are true|
Which one of the following correctly matches the hormone with its effects?
|A)||GnRH stimulates production of estrogen (female) or testosterone (male)|
|B)||LH stimulates ovulation (female) or spermatogenesis (male)|
|C)||FSH initiates and maintains development of accessory sex organs (both sexes)|
|D)||estrogen stimulates oogenesis (female only)|
A drug that stimulates the pituitary to produce LH and FSH might be useful as a
|C)||contraceptive for either sex|
Which structure involved in maintaining the optimal temperature for sperm development is theoretically under voluntary control?
Tight junctions between ____________ form a barrier similar to that formed by astrocytes and continuous capillaries in the CNS.
Which of these cells are haploid? (1) spermatogonia (2) primary spermatocytes (3) secondary spermatocytes (4) spermatids (5) spermatozoa
|A)||1, 2, and 3|
|B)||2, 3, 4, and 5|
|C)||3, 4, and 5|
|D)||4 and 5 only|
After leaving the testes, spermatozoa pass sequentially through the
|A)||seminiferous tubule, rete testis, efferent ductule, and epididymis|
|B)||epididymis, ductus deferens, seminal vesicle, and ejaculatory duct|
|C)||membranous urethra, prostatic urethra, and spongy urethra|
|D)||epididymis, ductus deferens, ejaculatory duct, and urethra|
Among the enzymes found in semen, ____________ secreted by the ____________ is an antibiotic that combats urinary tract infections in males.
|A)||PSA; prostate gland|
|B)||seminalplasmin; prostate gland|
|C)||prostaglandin; seminal vesicles|
|D)||mucin; bulbourethral glands|
How would a radical prostatectomy alter a man's semen?
|A)||lower total volume and more alkaline|
|B)||volume almost unchanged but more acidic|
|C)||lower volume, same pH, but no viable sperm|
|D)||no significant effect on volume or composition|
What is the most frequently reported bacterial STD in the United States?
A male pseudohermaphrodite is an individual who
|A)||is virilized at birth, regardless of genetic sex|
|B)||has two X chromosomes and masculinized genitalia|
|C)||has a Y chromosome and female-like external genitalia|
|D)||has both testes and ovaries but ambiguous external genitalia|
Of the two pairs of urogenital ducts present in the sexually indifferent embryo, in the ____________ only the ____________ ducts persist to form reproductive structures.
In the male fetus, the testes are slowly "reeled" into the scrotum by the