4th Exam (T or F)

Question 1

The fetal cotyledons and cotyledons are palpable in a COW at 95 days of pregnancy

Answer 1

TRUE

Question 2

Radiography is beneficial to do during the LAST trimester of pregnancy in bitch to determine the number of fetus & size of pelvic canal

Answer 2

TRUE

Question 3

Parturition is initiated with secretion of estrogen, oxytocin & PGF2 alpha that wagers cervical dissolution and uterine contraction

Answer 3

FALSE — Initiated by prolactin

Question 4

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

Answer 4

FALSE — Oxytocin receptors only

Estrogen is needed during parturition because it increases the number of oxytocin in the myometrium

Question 5

Relaxin,
estrogen &
PGF 2 alpha

causes relaxation of the cervix
—> to facilitate the explulsion of the fetus

Answer 5

TRUE

Question 6

The normal interval of delivery of kittens/pup is 20 minutes

Answer 6

TRUE

Question 7

Cervical dilation occurs in pregnant mares in 1-3 hours

Answer 7

TRUE

Question 8

Primary uterine intertia in MARES occur due to exhaustion of uterine muscles

Answer 8

FALSE — Secondary (in mares)

SECONDARY uterine intertia in MARES occur due —> to exhaustion of uterine muscles

Question 9

Cases of small pelvic canal in a pregnant CAT is best managed with cesarean section

Answer 9

TRUE

Question 10

Uterine prolapse commonly occur in sheep due to primary uterine intertia

Answer 10

FALSE —> VAGINAL prolapse

Vaginal prolapse commonly occur in SHEEP due to primary uterine intertia

Question 11

Estrogen,
progesterone &
prolactin

promote duct development & alveolar cell proliferation of mammary gland in pregnant females

Answer 11

FALSE — no prolactin

Estrogen & Progesterone
—> promote duct development & alveolar cell proliferation of mammary gland in pregnant females

Question 12

Colostrum have a higher fat, carbohydrates, protein, vitamin A compared with the milk secreted by the mammary gland

Answer 12

FALSE —> lower in LACTOSE (a carb)

Question 13

Prolactin, parathormone, insulin, cortisol and progesterone are hormones needed for lactogenesis during nursing

Answer 13

FALSE — No progesterone

(2) that inhibits lactogenesis
1. Progesterone
2. Estrogen

Question 14

Female fetuses of domestic mammals and avian would have a homozygous chromosomes

Answer 14

FALSE — Heterozygous (in avians)

Question 15

Free-martinism occurs due to the chromosomal aberration MOSAIC

Answer 15

TRUE

Question 16

FSH secretion occur in PULLETS to stimulate growth and maturation of ovarian follicles starting at 18 weeks of age

Answer 16

TRUE

Question 17

Egg stays the longest in the uterus due to formation of shell membranes and shell

Answer 17

FALSE — Shell only in uterus

Shell membrane is formed in Isthmus

Question 18

Cats have litter size range of 3-6

Answer 18

TRUE

Question 19

Engagement of fetus in the cervical canal initiates Ferguson reflex to facilitate OXYTOCIN secretion and release

Answer 19

TRUE

Question 20

Domestic rooster, geese have vestigial penis, thus mating very rapid through cloacal kiss

Answer 20

FALSE

except in (2)
1. Geese
2. Ratites (flightless birds)
• Ostrich
• Emu
• Kiwi
• Cassowary
• Rhea
• other large birds

Question 21

Orange and green stimulates oviposition in layers

Answer 21

FALSE —> green & blue INHIBITS

Orange or RED light stimulates

Question 22

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

Answer 22

TRUE

Question 23

Testicular hypoplasia in stallions/bull occur due to the presence of XYX

Answer 23

FALSE — 65XXY

Question 24

Estrogen secreted during puberty in female animals leads to myotropism, sexual behavior, libido & pheromone secretion

Answer 24

TRUE

Question 25

The fetal testes secrete testosterone and MIH to ensure the development of the Wolffian duct

Answer 25

TRUE

Question 26

Suckling, and use of milk machine can stimulate milk ejection in farm domestic animals

Answer 26

TRUE

Question 27

Secretion of immunoglobulin rich colostrum occurs a few days or weeks in DAMS to provide protection to the fetus.

Answer 27

TRUE

Question 28

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

Answer 28

FALSE — Sublingual or under the tongue

Question 29

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

Answer 29

TRUE

Question 30

Stage 3 of parturition is characterized by increased intensity of uterine contraction for placental expulsion

Answer 30

FALSE — Amplitude (not intensity)

Question 31

Estrogen, oxytocin and PGF-2 alpha are critical maternal hormones of parturition to cause uterine contraction

Answer 31

TRUE

Question 32

Ultrasound is advantageous in MARES to detect pregnancy as early as 7 days after mating.

Answer 32

FALSE — 9 to 16 days

Question 33

The fremitus is detectable upon rectal palpation in a cow at 80 days of pregnancy

Answer 33

TRUE

Question 34

Prolactin is the primary hormone for maternal behavior in avians.

Answer 34

FALSE — paternal

Question 35

Jacana mallee and cuckoos practice paternal behavior.

Answer 35

FALSE — Cuckoos not mentioned

Question 36

Increasing lighting >12 hours in a layer farm increases productivity

Answer 36

TRUE

Question 37

Hawk, falcon possesses functional left and right ovary

Answer 37

TRUE (+ Kiwi)

Question 38

Infundibulum secretes the shell membrane during egg formation in domestic chickens

Answer 38

FALSE —> Isthmus

Question 39

Magnum is the site of fertilization for layers

Answer 39

FALSE — Infundibulum

Question 40

Estrogen and FSH promote mammary gland development and milk synthesis during the lactation

Answer 40

FALSE —> Estrogen & Progesterone

Question 41

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

Answer 41

TRUE

Question 42

During the first few hours of nursing, the immunoglobulins heavily absorbed are IgG, IGE, M and A.

Answer 42

FALSE — no IGE IgA, IgG, IgM

Question 43

Prolactin is the primary initiator of lactogenesis

Answer 43

TRUE

Question 44

Underdeveloped ovaries can occur with polyploid

Answer 44

FALSE — Aneuploid

Question 45

Chimera in bulls leads to hermaphroditism.

Answer 45

FALSE — in Heifers

Question 46

The normal chromosome number in dogs is 28.

Answer 46

FALSE — 39

Question 47

Colostrum is best suckled in piglets during the first 12 hours for maximum absorption

Answer 47

TRUE

Question 48

Prestimulation of the mammary gland increasing oxytocin secretion to maximize milk ejection for a short duration of time.

Answer 48

TRUE

Question 49

Testosterone secreted by the Leydig cells accounts for the secondary sexual changes during puberty.

Answer 49

TRUE

Question 50

Both estrogen and progesterone promotes mammary gland development and milk synthesis during the lactation

Answer 50

FALSE —> No estrogen