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Anatomy and Physiology of Reproduction and Related Technologies in Farm Mammals
Chapter Quiz
1
Which of the following terms means "the act of giving birth"?
A)
copulation
B)
gestation
C)
parturition
D)
ovulation
E)
lactation
2
What part of the bull serves in heat regulation for the reproductive system?
A)
scrotum
B)
sigmiod flexure
C)
pampiniform plexus
D)
epididymis
E)
ampulla
3
Which term specifically defines a castrated male lamb?
A)
barrow
B)
gelding
C)
stag
D)
steer
E)
wether
4
What structure carries sperm from the epididymis to the ampulla in the bull?
A)
vas deferens
B)
urethra
C)
sigmoid flexure
D)
rete testis
E)
seminiferous tubules
5
Which tubule may measure as much as 400 to 500 feet in the bull?
A)
vas deferens
B)
urethra
C)
sigmoid flexure
D)
ampulla
E)
epididymis
6
What structure lies between the ovary and the oviduct in the mare?
A)
cervix
B)
uterus
C)
uterine horn
D)
infundibulum
E)
vagina
7
Which of the following induces estrus ("heat") in the mature cow?
A)
estrogen
B)
progesterone
C)
follicle stimulating hormone
D)
leutinizing hormone
E)
prolactin
8
A normal unfertilized ova is referred to as having which number of chromosomes?
A)
haploid
B)
diploid
C)
polyploid
9
The innermost membrane surrounding the fetal pig is which of the following?
A)
amnion
B)
chorion
C)
cotyledonary layer
D)
allantois
10
Which compounds are central to the exogenous control of estrous synchronization?
A)
estrogen
B)
progesterone
C)
prostaglandin
D)
prolactin
E)
thyroxine
11
Which phrase most correctly describes a transgenic animal?
A)
an animal that was created without male chromosomes for fertilization
B)
an animal that has the genetic makeup of more than two parents
C)
an animal, that if found in the United States, is illegal to produce
D)
an animal that was created via the use of a frozen embryo
E)
an animal that cannot reproduce
12
In twin calves, the female is called a freemartin and is generally fertile, whereas the male is called a cryptorchid and is generally nonfertile.
A)
TRUE
B)
FALSE
13
Parthenogenesis refers to the development of unfertilized ova into normal young. This condition occurs in turkeys.
A)
TRUE
B)
FALSE
14
The uterine horns of the sow may measure up to 7 feet in length when stretched to their full length.
A)
TRUE
B)
FALSE
15
In farm animals and humans, sex cells (ova) are not present in the ovaries at birth, but are created from epithelial tissues after sexual maturity is reached.
A)
TRUE
B)
FALSE
16
During natural mating, bulls deposit semen primarily in the vagina whereas boars deposit a significant amount of semen in the uterus.
A)
TRUE
B)
FALSE
17
The sigmoid flexure serves to allow extension of the penis in the bull.
A)
TRUE
B)
FALSE
18
A vasectomy in a dog would terminate the animal's sex drive.
A)
TRUE
B)
FALSE
19
Testosterone in male mammals is primarily produced in the pituitary gland.
A)
TRUE
B)
FALSE
20
The male mammal provides exactly as many genes as the female mammal for inheritance in the offspring of their mating.
A)
TRUE
B)
FALSE
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