CH 10 Reproduction

Question 1

CL=

Answer 1

Corpus Luteum

Question 2

CH=

Answer 2

Corpus hemorrhagicum

Question 3

LH=

Answer 3

Luteinizing Hormone

Question 4

FSH =

Answer 4

Follicle stimulating hormone

Question 5

GnRH =

Answer 5

Gonadotrophin-releasing hormone

Question 6

What secretes GnRH ?

Answer 6

Hypothalamus

Question 7

Occurs when a pregnant female ovulates and conceives while pregnant. Very rare

Answer 7

Superfetation

Question 8

When two or more sires cause a single gestation

Answer 8

Superfecundation

Question 9

Fertilization occurs where

Answer 9

The oviduct

Question 10

Inner most layer of the embryo. Becomes the intestines, liver, and lungs

Answer 10

Endoderm

Question 11

The middle layer of the embryo. Becomes the cardiovascular, musculoskeletal, and reproductive systems.

Answer 11

Mesoderm

Question 12

The outer layer of the embryo. Becomes hair, skin, and the nervous system

Answer 12

Ectoderm

Question 13

What is ECF?

Answer 13

A chemical signal the body sends out when a female is pregnant to protect the zygote from being targeted as foreign.

Question 14

Zonary placental attachment is common in what animals

Answer 14

Dogs and cats

Question 15

Cotyledonary placental attachment is common in what animals

Answer 15

Ruminants

Question 16

Diffuse placental attachment is common in what animals

Answer 16

Horses/ pigs

Question 17

Discoid placental attachment is common in what animals

Answer 17

Rodents

Question 18

The canine estrus cycle averages

Answer 18

6-7months

Question 19

What are the 4 stages of the estrus cycle

Answer 19

Proestrus
Estrus
Diestrus
Anestrus

Question 20

Semen can be stored how

Answer 20

In liquid nitrogen

Question 21

Fertilization should occur with frozen semen ____ hours after thawing

Answer 21

12 hours

Question 22

Fresh semen delivered by natural service or by AI stays fertile for ___ to___ ______

Answer 22

3-5 days

Question 23

Pregnancy examination by palpitation is possible in dogs by

Answer 23

21-30 days

Question 24

Pregnancy examination by ultrasound is possible to do from ____ to _____ days for dogs

Answer 24

21-28

Question 25

X ray can be used for pregnancy examinations at ____ days or after for dogs

Answer 25

43

Question 26

Stage 1 or parturition in dogs can last how long if not longer

Answer 26

6-12 hours

Question 27

Stage 2 of parturition consists of what

Answer 27

Puppies being delivered every 20-60min

Question 28

String continual contractions for 30 minutes without progress, prolonged interval between pups.

Answer 28

Dystocia

Question 29

___% of queens ovulate with a single mating

Answer 29

50%

Question 30

If ovulation does not occur after breeding, or no breeding occurs the queen will go back into estrus in ___ to ___ days

Answer 30

3-14 days

Question 31

Gestation in cats last

Answer 31

60 days

Question 32

X-rays can be done to check pregnancy in cats at ___days

Answer 32

40

Question 33

Palpating can be done for pregnancy in cats at ___ days

Answer 33

18

Question 34

A heartbeat can be detected in cats that are pregnant at ___ days

Answer 34

16

Question 35

Doing Semen analysis atleast ____ Sperm should be checked, and their relative speed and direction. ___ % or greater of sperm that are progressively motile is desirable

Answer 35

100 70%