PRADO PART 1

Question 1

GnRH, FSH, and LH targets?

Answer 1

APG, granulosa cells (ovary), theca interna and luteal cells

Question 2

FSH induces 2 hormone synthesis

Answer 2

estradiol, inhibin

Question 3

FSH and LH is produced by the (organ)

Answer 3

anterior lobe of the pituitary gland

Question 4

if there is a spike in LH, what does it stimulate ?

Answer 4

stimulates ovulation and the formation of corpus luteum (luteinization)

Question 5

The more follicles grow, the more estradiol is produced T/F

Answer 5

T

Question 6

2 hormones released by the granulosa cells

Answer 6

estradiol, inhibin

Question 7

estradiol targets the following except:
brain
myometrium
reproductive tract lining
none

Answer 7

none

Question 8

Arched back behavior indicating that a female will allow a male to mount her

Answer 8

lordosis

Question 9

progesterone is released by

Answer 9

corpeus luteum, in or on ovary

Question 10

P4 targets the following except:
hypothalamus
reproductive tract lining
brain
myometrium
alveoli
endometrium

Answer 10

2nd

Question 11

P4 functions:
decrease GnRH release, increase reproductive behavior, increase myometrial contractions, increase alveoli devt, increase endometrial secretions

Answer 11

dec, dec, dec, inc inc

Question 12

at low levels, P4 has a positive feedback on GnRh

Answer 12

false - either high levels dapat or negative feedback

Question 13

what stage and under what phase?
FSH just peaked, inc E2 and inhibin, P4 low and non exsitent, LH tonic

Answer 13

proestrus/follicular

Question 14

what stage and under what phase?
E2 and inhibin peaking, LH surge, declining FSH

Answer 14

estrus/follicular

Question 15

marks the transition from follicular to luteal phase

Answer 15

ovulation

Question 16

what stage and under what phase?
dec E2 & inhibin, tonic LH, inc p4, small FSH peak

Answer 16

metestrus/luteal

Question 17

what stage and under what phase?
peak LSH, tonic LH, FSH, E2, inihibn peak

Answer 17

diestrus/luteal

Question 18

what stage and under what phase?
peak LSH, tonic LH, FSH, E2, inhibin peak

Answer 18

diestrus/luteal

Question 19

what stage and under what phase?
peak LSH, tonic LH, FSH, E2, inhibin peak

Answer 19

diestrus/luteal

Question 20

what occurs AFTER (increasing) ovulation?

Answer 20

P4, FSH, inhibin

Question 21

what occurs BEFORE (increasing) ovulation ?

Answer 21

LH and E2

Question 22

seasonally polycylic animals include ewe, bitch, goat

Answer 22

false - monocyclic si dog

Question 23

female becomes sexually mature and able to reproduce

Answer 23

puberty

Question 24

Among females of the domestic species, puberty comes AFTER the development of physical maturity

Answer 24

false - precedes dapat

Question 25

T/F no estrus cycle, no follicle growth

Answer 25

false - no estus, there is still growth

Question 26

puberty is signalled by 1st estrus or 1st ovulation T/F

Answer 26

T

Question 27

mares, queen cat, doe reach puberty at age

Answer 27

1-2 yo 7-12mo 4-8mo

Question 28

cow, ewe, sow reach puberty at

Answer 28

7-8mo 6-15mo 6-8mo

Question 29

chicken, bitch, pygmgy goat reach puberty at

Answer 29

18weeks (~4.5mo) 6-20mo 3 mo

Question 30

what causes the changes during puberty? 2

Answer 30

pdtn of female gametes hormone synthesis

Question 31

hormone associated with onset of ovarian acity, hence puberty

Answer 31

LH

Question 32

Puberty onset relies on the secretion of

Answer 32

ovarian oestradiol

Question 33

before puberty, estrogen has an ___ effect when at low concn

Answer 33

inhibitory

Question 34

puberty in males is based on the 3

Answer 34

behavior, age of 1st ejaculation, quality of ejaculate

Question 35

influences the release of LH, FSH and prolactin, response to amount of daylight

Answer 35

melatonin

Question 36

influences the release of GnRH

Answer 36

kisspeptin

Question 37

pinealectomised ewews will still show seasonal breeding behaviors T/F

Answer 37

T

Question 38

the mare does not require an intact pineal gland to show a normal repsonse to photperiod changes T/F

Answer 38

F - sheep to or require kasi pag walang pineal gland, no normal response

Question 38

4 external factors influencing puberty

Answer 38

Nutrition proximity of male climate disease

Question 39

animal that has silent heat or subestrus

Answer 39

cow

Question 40

increasing daylneth most important factor in this specues

Answer 40

cat