Adult male and female reproductive structures derived from common developmental structures and serving a common function in both sexes are called
C) homologues
Which of the following arenot reproductive organs?
D) gametes
Puberty begins when which hormone is secreted by the hypothalamus?
C) GnRH
In both sexes, the area between the thighs that is circumscribed by the pubic symphysis, ischial tuberosities, and coccyx is called the
D) perineum
Located within the pelvic cavity lateral to the uterus, the small organs that produce oocytes and female sex hormones are the
D) ovaries
Oocyte development, or ____________, occurs on a monthly basis as part of the ovarian cycle, within specialized structures called ____________.
D) oogenesis, ovarian follicles
Ovulation is induced only when there is a peak in secretion of which hormone?
A) LH
What marks the end of the luteal phase of the ovarian cycle?
B) menstruation
The main event that occurs in the ovaries during childhood is
B) atresia of primordial follicles
Which one of the following does not accurately describe the uterine tubes?
A) a tough, fibrous adventitia forms the outer layer of the wall
Fertilization of an oocyte typically occurs in which segment of the uterine tube?
D) ampulla
From superior to inferior, the structural parts of the uterus are the
D) fundus, body, isthmus, and cervix
What are the three tunics of the uterus, from external to internal?
A) perimetrium, myometrium, endometrium
During the secretory phase of the uterine cycle, elevated progesterone levels result in
D) increased vascularization and development of the uterine glands
Estrogen is secreted by which of the following?
D) all of the above
Levels of which hormone drop dramatically as the corpus luteum degenerates, triggering the onset of menses?
B) progesterone
Which of the following isnot a function of the vagina?
B) produces a basic secretion that activates sperm
The mammary glands are characterized by all of the following except
B) a single lactiferous sinus opens onto the surface of each nipple
What is the primary function of human chorionic gonadotropin (hCG)?
D) triggers continued production of progesterone by the corpus luteum
In the male, the gonads are
A) the testes
The spermatic cord contains which of the following?
D) all of the above
The epididymis functions to
C) store sperm until they are fully mature and capable of being motile
Which structure penetrates the prostate gland to empty into the urethra?
C) ejaculatory duct
Which selection lists only accessory glands of the male reproductive system?
B) bulbourethral glands, prostate gland, and seminal vesicles
In the testes, sperm are produced within the highly convoluted ____________, while androgens are produced by the ____________.
A) seminiferous tubules, interstitial cells
During the physical maturation of sperm, or ____________, developing spermatids are embedded within the cytoplasm of large ____________.
D) spermiogenesis; sustentacular cells
Semen normally contains which of the following?
B) products of each accessory gland as well as the testes
In male sexual function, parasympathetic innervation is responsible for ____________, while sympathetic innervation promotes ____________.
D) erection; ejaculation
Which part of the penis is removed during circumcision?
C) prepuce
Caused by declining levels of sex hormones between the ages of 50 and 60, the male ____________ is somewhat like menopause in females, although not as abrupt.
B) climacteric
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?
C) 3 billion to 1
All of the following pairs are female and male homologues except the
D) vestibular glands and seminal vesicles
Considering the relative positions of the vesicouterine pouch and surrounding structures,vesico most likely refers to which one of the following?
B) the urinary bladder
Which selection does not correctly match the ligament with the organ it supports?
D) mesosalpinx, ovary
The name of which ovarian structure reflects a misconception by early anatomists?
C) germinal epithelium
At birth, a baby girl's ovaries contain
A) up to ten times as many primordial follicles as they will at puberty
Which type of cell may be housed in at least four different types of follicles?
D) primary oocyte
On average, how many mature ova does a healthy, nonpregnant woman produce each year between puberty and menopause?
A) 0
Which sequence correctly traces events and products of the ovarian cycle?
A) primary & secondary follicles > vesicular follicle > ovulation > corpus luteum
The end of the ____________ phase of the ovarian cycle coincides with the end of the ____________ phase of the uterine cycle.
D) luteal; secretory
Regardless of the specific cause, pain accompanying the loss of the endometrial stratum functionalis is known as
C) dysmenorrhea
FSH is to the ____________ phase of the ovarian cycle as ____________ is to the menstrual and proliferative phases of the uterine cycle.
B) luteal; progesterone
If fertilization and implantation both occur successfully, the corpus luteum
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)
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)
C)FSH initiates and maintains development of accessory sex organs (both sexes)
D)estrogen stimulates oogenesis (female only)
A)GnRH stimulates production of estrogen (female) or testosterone (male)
A drug that stimulates the pituitary to produce LH and FSH might be useful as a
B) fertility drug
Which structure involved in maintaining the optimal temperature for sperm development is theoretically under voluntary control?
B) cremaster muscle
Tight junctions between ____________ form a barrier similar to that formed by astrocytes and continuous capillaries in the CNS.
B) sustentacular cells
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
C)3, 4, and 5
After leaving the testes, spermatozoa pass sequentially through the
C) 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.
C) seminalplasmin; prostate gland
How would a radical prostatectomy alter a man's semen?
D) lower total volume and more alkaline
What is the most frequently reported bacterial STD in the United States?
C) chlamydia
A male pseudohermaphrodite is an individual who
C) has a Y chromosome and female-like 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.
D) female; paramesonephric
In the male fetus, the testes are slowly "reeled" into the scrotum by the
A) gubernaculum
In the male, what cells produce androgens?
B) interstitial cells
All of the following organs produce a component of seminal fluid except the
B) testes.
Spermatogonia divide by mitosis to form a new spermatogonium and
C) a primary spermatocyte.
Sperm are stored in the _____, where they remain until they are fully mature and capable of motility.
D) epididymis
The female homologue to the penis is the
A) clitoris.
Ovulation occurs due to a dramatic “peak” in which hormone?
C) LH
Which statement is true about the uterus?
C) The cervix projects into the vagina.
Which structure contains a primary oocyte, several layers of follicle cells, and an antrum?
B) secondary follicle
The most anteriorly placed structure in the female perineum is the
B) mons pubis.
The paramesonephric ducts in the embryo form which of the following?