Irat 9

Question 1

Which of the following structures are derived from the Mullerian duct system?
A. testes & ovaries
B. fallopian tubes, uterus, upper vagina ovaries
C. fallopian tubes, uterus, upper vagina
D. epididymis, vas deferens, seminal vesicles
E. epididymis, vas deferens, seminal vesicles, testes

Answer 1

C. fallopian tubes, uterus, upper vagina

Question 2

During embryonic development, individuals that experience development of the Wolfffian duct system could have the genotype:
A. xx only
B. xy only
C. xo only
D. xxy and xy
E. xx and xo

Answer 2

D. xxy and xy

Question 3

Reductase inhibitors reduce the amount of _________ in the blood.
A. progesterone
B. dihydrotestosterone
C. reductol
D. estradiol
E. testosterone

Answer 3

B. dihydrotestosterone

Question 4

Which of the letter corresponds to the phase of the ovarian cycle where positive feedback to the HT/APG occurs?
A.
B.
C.
D.

Answer 4

B.

Question 5

Fertilization normally occurs in the ______ which is derived from the _______ system.
A. fallopian tube (oviduct); Mullerian duct
B. uterus; Mullerin duct
C. fallopian tube (oviduct); Wolffian duct
D. ovary; Mullerian duct
E. uterus; Wolffian duct

Answer 5

A. fallopian tube (oviduct); Mullerian duct

Question 6

Leptin binding with receptors in the female hypothalamus is a signal involved in initiating :
A. weight gain
B. oogenesis
C. ovulation
D. parturition
E. puberty

Answer 6

E. puberty

Question 7

______ of estradiol (an estrogen) into the blood to bind with receptors in the mammary glands is an example of ________.
A. endocytosis; autocrine signaling
B. simple diffusion; paracrine signaling
C. facilitated diffusion; endocrine signaling
D. facilitated diffusion: paracrine signaling
E. simple diffusion; endocrine signaling

Answer 7

E. simple diffusion; endocrine signaling

Question 8

The following is a “circular” representation of the ovarian cycle. Which choice correctly labels the hormones:
A. a= progesterone, b=estrogen, c=FSH, d=LH
B. a=LH, b=estrogen, c= progesterone, D=FSH
C. a=estrogen, b=progesterone, c=FSH, D=LH
D. a= progesterone, b=estrogen, c=LH,D=FSH
E.a=estrogen, b=progesterone,c=LH,D=FSH

Answer 8

E.a=estrogen, b=progesterone,c=LH,D=FSH

Question 9

Human chronic gonadotropin is secreted by the ______ and maintains the_____.
A. luteal cells of the follicle; uterine lining
B. epithelial cells of the uterus; spiral arteries
C. granulosa cells of the follicle; mucous plug
D. chorion of the embryo; corpus luteum
E. theca cells of the follicle; corpus luteum.

Answer 9

D. chorion of the embryo; corpus luteum

Question 10

Menopause is initiated when____ causes______.
A. declining gonadotropin; levels reduced follicular development.
B. declining levels of ovarian steroids; Increased sex drive.
C. declining ovarian steroidogenesis; increased gonadotropin levels
D. declining number of ovarian follicles; decreased gonadotropin levels
E. increased ovarian steroidogenesis; increased gonadotropin levels

Answer 10

C. declining ovarian steroidogenesis; increased gonadotropin levels