topic 11

Question 1

the structures that draw an ovulated oocyte into the female duct system are

(a) cilia
(b) fimbriae
(c) microvilli
(d) sterocilia

Answer 1

(a) cilia*
(b) fimbriae*
(c) microvilli
(d) sterocilia

Question 2

the usual site of embryo implantation is

(a) the uterine tube
(b) the peritoneal cavity
(c) the vagina
(d) the uterus

Answer 2

(a) the uterine tube
(b) the peritoneal cavity
(c) the vagina
(d) the uterus*

Question 3

the male homologue of the female clitoris is

(a) the vagina
(b) the scrotum
(c) the penile urethra
(d) the testis

Answer 3

(a) the vagina*
(b) the scrotum
(c) the penile urethra
(d) the testis

Question 4

which of the following is correct relative to female anatomy?

(a) the vaginal orifice is the most dorsal of the three openings in the perineum
(b) the urethra is between the vaginal orifice and the anus
(c) the anus is between the vaginal orifice and the urethra
(d) the urethra is the more ventral of the two orifices in the vulva

Answer 4

(a) the vaginal orifice is the most dorsal of the three openings in the perineum
(b) the urethra is between the vaginal orifice and the anus
(c) the anus is between the vaginal orifice and the urethra
(d) the urethra is the more ventral of the two orifices in the vulva*

Question 5

secondary sex characteristics are

(a) present in the embryo
(b) a result of male and female sex hormones increasing in amount at puberty
(c) the testis in the male and the ovary in the female
(d) not subject to withdrawal once established

Answer 5

(a) present in the embryo
(b) a result of male and female sex hormones increasing in amount at puberty *
(c) the testis in the male and the ovary in the female
(d) not subject to withdrawal once established

Question 6

which of the following produces the male sex hormones?

(a) seminal glands
(b) corpus luteum
(c) developing follicles of the testis
(d) interstitial endocrine cells

Answer 6

(a) seminal glands
(b) corpus luteum
(c) developing follicles of the testis
(d) interstitial endocrine cells*

Question 7

which will occur as a result of nondescent of the testes?

(a) male sex hormones will not be circulated in the body
(b) sperm will have no means of exit from the body’
(c) inadequate blood supply will retard the development of the testes
(d) viable sperm will not be produced

Answer 7

(a) male sex hormones will not be circulated in the body
(b) sperm will have no means of exit from the body’
(c) inadequate blood supply will retard the development of the testes
(d) viable sperm will not be produced*

Question 8

the normal diploid number of human chromosomes is

(a) 48
(b) 47
(c) 46
(d) 23
(e) 24

Answer 8

(a) 48
(b) 47
(c) 46*
(d) 23
(e) 24

Question 9

relative differences between mitosis and miosis, choose the statements that apply only to events of meiosis.

(a) tetrads present
(b) produces daughter cells
(c) produces 4 daughter cells
(d) occurs throughout life
(e) reduces the chromosomal number by half
(f) synapsis and crossover of the homologues occur

Answer 9

(a) tetrads present*
(b) produces daughter cells
(c) produces 4 daughter cells*
(d) occurs throughout life
(e) reduces the chromosomal number by half*
(f) synapsis and crossover of the homologues occur*

Question 10

the menstrual cycle can be divided into three continuous phases. Starting from the first day of the cycle, their consecutive order is

(a) menstrual, proliferative, secretory
(b) menstrual, secretory, proliferative
(c) secretory, menstrual, proliferative
(d) proliferative, menstrual, secretory
(e) secretory, proliferative, menstrual

Answer 10

(a) menstrual, proliferative, secretory*
(b) menstrual, secretory, proliferative
(c) secretory, menstrual, proliferative
(d) proliferative, menstrual, secretory
(e) secretory, proliferative, menstrual

Question 11

spermatozoa are to semiferous tubules as oocytes are to

(a) fimbriae
(b) corpus albicians
(c) ovarian follicles
(d) corpa lutea

Answer 11

(a) fimbriae
(b) corpus albicians
(c) ovarian follicles*
(d) corpa lutea

Question 12

which of the following does not add a secretion that makes a major contribution to semen?

(a) prostate
(b) bulbo-urethral glands
(c) testes
(d) ductus deferens

Answer 12

(a) prostate
(b) bulbo-urethral glands
(c) testes
(d) ductus deferens*

Question 13

the corpus luteum is formed at the site of

(a) fertilization
(b) ovulation
(c) menstruation
(d) implantation

Answer 13

(a) fertilization
(b) ovulation*
(c) menstruation
(d) implantation

Question 14

the sex of a child is determined by

(a) the sex chromosome contained in sperm
(b) the sex chromosome contained in the oocyte
(c) the number of sperm fertilizing the oocyte
(d) the position of the fetus in the uterus

Answer 14

the sex of a child is determined by

(a) the sex chromosome contained in sperm*
(b) the sex chromosome contained in the oocyte
(c) the number of sperm fertilizing the oocyte
(d) the position of the fetus in the uterus

Question 15

FSH is to estrogen as estrogen is to

(a) progesterone
(b) LH
(c) FSH
(d) testosterone

Answer 15

(a) progesterone
(b) LH*
(c) FSH
(d) testosterone

Question 16

a drug that “reminds the pituitary” to produce gonadotropins might be useful as

(a) a contraceptive
(b) a diuretic
(c) a fertility drug
(d) an abortion stimulant

Answer 16

(a) a contraceptive
(b) a diuretic
(c) a fertility drug*
(d) an abortion stimulant