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VMED 155 > TOPIC 3 (GESTATION) > Flashcards

TOPIC 3 (GESTATION) Flashcards

1
Q

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

A

T

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2
Q

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

A

T

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3
Q

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

A

T

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4
Q

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

A

F

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5
Q

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

A

T

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6
Q

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

A

T

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7
Q

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

A

PGf2a

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8
Q

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

A

progesterone

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9
Q

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

A

negative

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9
Q

progesterone has a quieting influence T/F

A

T

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10
Q

hormone produced by endometrium and its fxn

A

prostaglandin; regress CL and allow animal to estrus

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11
Q

placentation occurs 2 to 5 weeks after fertilization T/F

A

F - implantation dapat

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12
Q

involved with secretion of anterior pituitary hormone.

A

Hypophysioportal circulation

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13
Q

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.

A

F - before dapat

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14
Q

what does FSH stimulates?

A

granulosa cells

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15
Q

2 hormones the ovary secretes?

A

estrogen and progesterone

16
Q

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

A

sperm and testosterone pdtn

17
Q

what is the onset of puberty for bitch and sow?

A

6-24 and 3-7 months

18
Q

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

A

F- don’t coincide dapat

19
Q

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

A

F - 12-18months dapat

20
Q

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

A

F - NOT sponty oovu

21
Q

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

A

F - baliktad. 21 ang cycle, 5 ang length

22
Q

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

A

B
A - bitch
C - Mare
D - Ewe

23
Q

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

A

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

24
Q

gestation begins with IMPLANTATION and ends with PARTURITION T/F

A

F - fertilization dapat

25
Q

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

A

3-4 days

26
Q

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

A

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

27
Q

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

A

F - baliktad. enhances PGE2, alter PGF2aplha dapat

28
Q

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

A

F - 2 weeks dapat. 10 days ang sheep

29
Q

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

A

F - dogs and cats

29
Q

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

A

F - mare

30
Q

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

A

T

31
Q

radiography is done in dogs __ days into pregnancy

A

45

32
Q

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

A

F - ultrasound

VMED 155 (13 decks)

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