Exam 4 Female Reproductive System

Question 1

What kind of hormone is gonadotropin releasing hormone (GnRH)

Answer 1

small polypeptide

Question 2

GnRH is produced by the

Answer 2

hypothalamus

Question 3

GnRH function

Answer 3

causes release of FSH and LH from the pituitary

Question 4

FSH is what kind of hormon

Answer 4

large glycoprotein with a and B subunits

Question 5

FSH is produced by the

Answer 5

anterior pituitary

Question 6

FSH function

Answer 6

stimulates follicle growth (superovulation with exogenous administration)
stimulates spermatogenesis by stimulating sertoli cells (in the presence of testosterone)

Question 7

LH is what kind of hormon

Answer 7

large glycoprotein with a and B subunits (a identical to FSH)

Question 8

LH produced by

Answer 8

anterior pituitary

Question 9

LH function

Answer 9

causes final follicle maturation, ovulation, and formation and maintenance of the CL
stimulates testosterone production by interstitial cells

Question 10

LH is required for what

Answer 10

sex steroid production

Question 11

Prolactin is what kind of hormone

Answer 11

protein homrone related to growth hormone

Question 12

prolactin secreted by the

Answer 12

anterior pituitary

Question 13

prlactin function

Answer 13

stimulates mammary gland formation and lactation
sensitize ovary to gonadotropins (horse)
supports CL function in dog

Question 14

oxytocin is what kind of hormone

Answer 14

small polypeptide

Question 15

oxytocin secreted by

Answer 15

posterior pituitary (neurohypophysis)

Question 16

oxytocin function

Answer 16

contraction of myopeithelial cells in mammary gland
uterine contraction
prostaglandin release from uterus

Question 17

progesterone is what kind of hormone

Answer 17

steroid hormone (C21)

Question 18

progesterone is produced by

Answer 18

CL and placenta

Question 19

progesterone function

Answer 19

induces changes in tract and whole animal associated with pregnancy

Question 20

testosterone (androgen) is what kind of hormon

Answer 20

steroid hormone (C19)

Question 21

testosterone produced by

Answer 21

Leydig cells; and small extent by female follicle

Question 22

testosterone function

Answer 22

promotes masculinization
induces male behavior
stimulates spermatogenesis (sertoli cells)
decreases LH output

Question 23

Estrogen is what kind of hormone

Answer 23

steroid (C18)

Question 24

estrogen produced by

Answer 24

maturing follicle

Question 25

estrogen function

Answer 25

changes in tract and whole animal associated with estrus

Question 26

inhibin is what kind of hormon

Answer 26

protein

Question 27

inhibin produced by

Answer 27

granulosa cells of the follicle; sertoli cells of the testis by maturing spermatogenic cells

Question 28

inhibin function

Answer 28

shut down FSH production by te pituitary

Question 29

Anti-Mullerian Hromone is what kind of hormone

Answer 29

protein hormone

Question 30

AMH produced by

Answer 30

male embryo sertoli cells; female granulosa cells during follicle growth from primary to early antral stage

Question 31

AMH function

Answer 31

males: cause embryological female tract to regress

Question 32

AMH can be used to evaluate

Answer 32

activity of sertoli and granulosa cells diagnosis of cryptorchidism and granulosa cell tumor estimate the size of growing follicle pool (follicle population)

Question 33

relaxin is what kind of hormone

Answer 33

protein

Question 34

relaxin produced by

Answer 34

CL and/or placenta depending on species

Question 35

relaxin function

Answer 35

relaxation of cervix and pelvic ligaments at parturition, affects vascular development of uterus/placenta

Question 36

human chorionic gonadotropin (hCG) produced by

Answer 36

human trophoblasts (8 days after conception)

Question 37

hCG function

Answer 37

Induce LH effects (similar structure to LH but different CHO attached)

Question 38

Equine chorionic gonadotropin (eCG) produced by

Answer 38

equine trophoblast after 37 days gestation

Question 39

equine chorionic gonadotropin function

Answer 39

luteinization/ovulation of secondary follicles during pregnancy in the mare to maintain high progesterone concentration (prolonged FSH activity in other species except horse) (similar to LH)

Question 40

placental lactogens work via

Answer 40

prolactin receptors, but with lower affinity

Question 41

progstins

Answer 41

hormones that have progesterone-like effect

Question 42

prostaglandin F2a is what kind of hormone

Answer 42

long chain fatty aicd

Question 43

PGF2A is released by

Answer 43

uterus in domestic large animal species

Question 44

PGF2a function

Answer 44

lysis of the CL and uterine contraction

Question 45

androgen binding protein serves as

Answer 45

a carrier for androgens to keep concentrations of androgens relatively stable in ST and very high in relation to concentrations of androgens in the blood

Question 46

androgen binding protein produced by

Answer 46

interstitial cells