4th exam (T or F) part 2

Question 1

Parturition is inititated with secretion of estrogen, oxytocin & protaglandin 2 alpha that triggers cervical dissolution and uterine contraction.

Answer 1

FALSE — initiated by prolactin

Question 2

Fetal gonads secrete estrogen and testosterone to ensure development of the Wolffian duct and Mullerian duct, respectively.

Answer 2

FALSE — baliktad

Question 3

There are different prostaglandin F2 alpha analogues in the market and this is indicate in cases of stillbirth, mummification and retained placenta.

Answer 3

TRUE

Question 4

Prestimulation of the mammary gland in lactating cows increases oxytocin and prolactin secretion to maximize milk ejection for a short duration of time.

Answer 4

FALSE — no prolactin

Question 5

The foal can have different presentations in the birth canal and in cases of breech position of foal, it can cause dystocia in a mare.

Answer 5

TRUE

Question 6

The different domestic animals have variable number of chromosomes and in pigs, the normal chromosome number is 36

Answer 6

FALSE — 38 or 39

Question 7

Occurence of non-disjunctive ovum or spermatozoa can lead to different chromosomal aberrations including the underdeveloped testes in horses and cats due to aneuploidism.

Answer 7

TRUE

Question 8

Domestic chickens only have a functional left ovary while the falcon and kiwi possess function left and right ovaries.

Answer 8

TRUE

Question 9

The domestic chicken’s reproductive tract develops and the magnum is an important part which serves as the site of fertilization for layers.

Answer 9

magnum —> infundibulum

Question 10

Estrogen is needed during parturition because it increases the number of oxytocin and prostaglandin 2 alpha receptors in the myometrium.

Answer 10

FALSE — Oxytocin only

Question 11

The female reproductive tract of the domestic chicken have specific functions which includes the formation of the albumen for the egg which occurs in their uterus

Answer 11

FALSE — (uterus)– magnum

Question 12

It is vital that the newborn offspring suckle the colostrum during the first few hours of nursing, the immunoglobulins that are heavily absorbed in the small intestine of the offspring are IgG, IgE, IgM and IgA.

Answer 12

FALSE — No IgE

Question 13

Uterine prolapse is a common postpartum problem in domestic animals due to prolonged dystocia.

Answer 13

TRUE

Question 14

Among the different part of the female reproductive tract of the domestic chicken, the magnum is the site of formation of the shell membranes of the egg.

Answer 14

FALSE – isthmus

Question 15

During parturition, a combined uterine and abdominal contraction are needed for expulsion of the fetus and placenta

Answer 15

FALSE — only in fetus

Question 16

Anasarca in a kid is best managed by doing cesarean section.

Answer 16

FALSE — Mutation or forced extraction

Question 17

Parturition in domestic animals is divided into stages with stage 3 characterized by increased intensity of uterine contraction for placental expulsion.

Answer 17

FALSE — amplitude

Question 18

Vulvar swelling and reddening and stringing mucus for vulva are initial signs of impending parturition.

Answer 18

TRUE

Question 19

A large fetus can cause dystocia in cats and is best managed by injecting oxytocin to stimulate uterine contraction.

Answer 19

FALSE

Question 20

Exhaustion of uterine muscles due to prolonged dystocia is frequently encountered in bitch.

Answer 20

FALSE — in mare, cow, caracow

Question 21

Among the different avian species, the mallee fowl and pigeon sire perform parental care.

Answer 21

FALSE — Pigeon is biparenteral

Question 22

Among the different obstetrical manipulations, fetotomy is usually done in cases of fetal emphysema in sheep.

Answer 22

FALSE — mutation or forced extraction

Question 23

Egg formation in domestic chickens occurs for 18-21 hrs.

Answer 23

24-26 hours

Question 24

Primary uterine inertia is frequently observed in mares.

Answer 24

FALSE

Question 25

A mummified kitten is best managed with the use of synthetic oxytocin or prostaglandin 2 alpha.

Question 26

Cesarean is usually done to deliver large fetuses or in cases of small pelvic canal in dogs.

Question 27

In mares in parturition, stage 2 parturition is about 1-2 hrs.

Answer 27

FALSE — 0.2 to 0.5 hrs

Question 28

The ovum contains the barr body and in domestic mammals are heterozygous.

Answer 28

FALSE — Homozygous

Question 29

The maternal hormones relaxin and estrogen promote softening of pelvic ligaments to facilitate birth of fetuses.

Answer 29

FALSE — relaxin only

Question 30

Precocial animals give birth to offspring that are fully developed.

Answer 30

FALSE — Advancedly

Question 31

Artificial insemination in sows uses an AI catheter junction of the female reproductive tract.

Answer 31

FALSE — cervix

Question 32

Chimera in bulls leads to hermaphrodism.

Answer 32

heifer

Question 33

Oxytocin initiates parturition in dogs and cats.

Answer 33

FALSE — cortisol

Question 34

Suckling, and use milk machine can stimulate milk ejection in farm domestic animals by stimulating oxytocin secretion.

Answer 34

TRUE

Question 35

Among the different domestic animals, the sow or gilt have a litter size range of 10-18.

Question 36

Engagement of fetus head in the cervical canal initiates ferguson reflex to facilitate oxytocin secretion and release from the posterior pituitary gland.

Answer 36

TRUE

Question 37

Crop weight increases during hatching to post-hatching in pigeons due to crop milk production controlled by prolactin.

Answer 37

FALSE Prelaying to hatching

Question 38

The chorion and allantois are the fetal membranes that form the placenta.

Answer 38

TRUE

Question 39

Progesterone is secreted by the trophoblastic cells of the placenta and corpus luteum in cows and sows to maintain pregnancy.

Answer 39

FALSE — relaxin

Question 40

During the first stage of lactation, colostrum is formed for maternal transfer of immunity.

Answer 40

TRUE

Question 41

In sows, detection of fetal heartbeat during the first 1/2 of pregnancy using the doppler and specifically placing the probe of the doppler at the level of the 3rd teat from the last teat of sows.

Answer 41

TRUE

Question 42

Domestic animals manifest parental behaviors to nurse their young and for the cow their calf follows their mother for nursing as the dam forage.

Answer 42

FALSE — Cow is hider not follower

Question 43

Nest building and consumption of placenta are examples of maternal behavior exhibited by dogs and cats.

Answer 43

FALSE

Question 44

Conjoined twins of kittens are best managed with extraction.

Question 45

Flexed forelimb of a calf can be manually corrected for delivery through mutation.

Answer 45

TRUE

Question 46

Administration of doxapram orally & oxygenation are beneficial for puppies or kittens delivered by cesarean section.

Answer 46

FALSE — tongue

Question 47

Mutation is preferably done for dropsy.

Question 48

Uterine prolapse in goats is best managed by slaughter.

Question 49

The maternal hormones relaxin and chorionic gonadotropins are needed for pregnancy and are secreted by the amniotic cells of the placenta.