TOPIC 3 (GESTATION)

Question 1

T/F: In males, FSH STIMULATES the pdtn of sperm w/n the seminiferous tubules.

Answer 1

T

Question 2

T/F: As in dogs, maternal recognition of pregnancy in cats DOES NOT involve prevention of luteolysis caused by uterine luteolysin

Answer 2

T

Question 3

T/F: Progesterone has a quieting influence on the uterus

Answer 3

T

Question 4

T/F: Conception rate in cows is best when inseminated about 30 hours from beginning of estrus

Answer 4

F

Question 5

T/F: coital contact apparently brings forth LH surge in cats

Answer 5

T

Question 6

the optimum time of service for sows is 12-30 hours after onset of estrus T/F

Answer 6

T

Question 7

ovarian artery and uterine vein is adhered together = important for diffusion of

Answer 7

PGf2a

Question 8

persistence of the luteal tissue (CL) means that there is an elevation of this hormone.

Answer 8

progesterone

Question 9

The elevation of the hormone (progesterone) is a result of ____ feedback of the hypothalamus and APG inhibiting follicular devt, ovulation and preventing return to estrus

Answer 9

negative

Question 9

progesterone has a quieting influence T/F

Answer 9

T

Question 10

hormone produced by endometrium and its fxn

Answer 10

prostaglandin; regress CL and allow animal to estrus

Question 11

placentation occurs 2 to 5 weeks after fertilization T/F

Answer 11

F - implantation dapat

Question 12

involved with secretion of anterior pituitary hormone.

Answer 12

Hypophysioportal circulation

Question 13

T/F: the maternal recognition of pregnancy is when maternal endocrine response can be detected AFTER the blastocyst is attached in the endometrium by microvillis.

Answer 13

F - before dapat

Question 14

what does FSH stimulates?

Answer 14

granulosa cells

Question 15

2 hormones the ovary secretes?

Answer 15

estrogen and progesterone

Question 16

the seminiferous tubules release FSH and LH for what purpose? (2)

Answer 16

sperm and testosterone pdtn

Question 17

what is the onset of puberty for bitch and sow?

Answer 17

6-24 and 3-7 months

Question 18

The time of puberty coincide in the time of mating T/F

Answer 18

F- don’t coincide dapat

Question 19

the ewe and bitch’s age first service is 14-22 months T/F

Answer 19

F - 12-18months dapat

Question 20

Cats need coitus for LH surge as they are spontaneous ovulators t/f

Answer 20

F - NOT sponty oovu

Question 21

The mare’s length of estrus is 21 days while its estrous cycle is 5 days (average) T/F

Answer 21

F - baliktad. 21 ang cycle, 5 ang length

Question 22

How many days/hours is the best time to inseminate cows?
a.2-3 days after onset of estrus
b. 10hrs after the onset of estrus
c. 3-4 days before end of estrus
d. 18-24 hours after onset of estrus

Answer 22

B
A - bitch
C - Mare
D - Ewe

Question 23

Match each species with its corresponding gestation period (Average)
1. Bitch 2. Ewe 3. Sow 4. Cow 5. Mare
A. 282 B. 114 C. 63 D. 150 E. 336

Answer 23

4A, 3B, 1C, 2D, 5E

Question 24

gestation begins with IMPLANTATION and ends with PARTURITION T/F

Answer 24

F - fertilization dapat

Question 25

how many days does the zygote stay in the uterine tube?

Answer 25

3-4 days

Question 26

Ecg produces/is used for the following EXCEPT a. produced by the endometrial cups b. prevention of luteolysis by uterine-derived prostaglandins c. helps form new follicles d. used for diagnosing pregnancy

Answer 26

B - Bovine trophoblast protein (bTP-1)/ bovine tau interferon (bIFN- tau)

Question 27

Ovine trophoblast protein (oTP-1)/ ovine tau interferon (oIFN- tau) enhances PGF2αsecretion and alters PGE2 production T/F

Answer 27

F - baliktad. enhances PGE2, alter PGF2aplha dapat

Question 28

In pigs, estradiol 17-B is produced at day 10 for maintenance of pregnancy T/F

Answer 28

F - 2 weeks dapat. 10 days ang sheep

Question 29

in mares, the luteal phase exceeds that of pregnancy T/F

Answer 29

F - dogs and cats

Question 29

encroachment or the thickening of the endometrium, occurs in sows. T/F

Answer 29

F - mare

Question 30

rectal palpation is performed during the early signs of pregnancy T/F

Answer 30

T

Question 31

radiography is done in dogs __ days into pregnancy

Answer 31

45

Question 32

Ballottement is the most used method in diagnosing pregnancy T/F

Answer 32

F - ultrasound