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UIUC ANSC 224 practice exam 2
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UIUC ANSC 224 practice exam 2
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UIUC ANSC 224 practice exam 2__________ dominates tissue and hormone patterns. - ANS-PROGESTERONE
___1.Increase/Decrease___ in ___2.__ triggers ovulation and development of Corpus
Luteum? - ANS-1. Increase
2. LH
5 phases of estrous? - ANS-1. Proestrus
2. Estrus
3. Metestrus
4. Disestrus
5. Luteolysis
Anestrous - ANS-- NOT sexually receptive
- FERTILE
ATRESIA - ANS-- process of FOLLICLE DEGENTERATION
BICORNATE UTERUS - ANS-- "heart-shaped" uterus
- composed of two "horns" separated by a SEPTUM
Can humans have a Bicornate Uterus? - ANS-- YES
- but it is a UTERINE MALFORMATION
Cotyledonary - ANS-- type of PLACENTATION
- in the COW
- VILLI attach in sites
Dystocia - ANS-- general term for DIFFICULT BIRTH
Estrous Cycle - ANS-reproductive cycle where there are recurring periods of fertility and
infertility of female
ESTRUS - ANS-- period when female is FERTILE and SEXUALLY RECEPTIVE
Folliculogenesis - ANS-process in which follicles develope
Functions of the OVIDUCT - ANS-1. sperm and egg MOVEMENT
, 2. fertilization
3. embryo development
Gestation length of a COW? - ANS-270 days
GnRH is a hormone released from the _____1._____ and into a _____2.______. -
ANS-1.hypothalamus
2. capillary
GnRH stimulates the synthesis and secretion of ____1.____ and ____2.____, leading
to ovulation. - ANS-1. FSH
2. LH
Gonadotrophs secrete __1.__ and __2.__. - ANS-1. FSH
2. LH
How many days until a CL will be considered formed? - ANS-5
How many species have a LUTEAL phase of 14 days? - ANS-- woman
- cow
- pig
Immediately after LH surge, follicle switches from production of _____1.______ to
_____2._____. - ANS-1. estrogen
2. progesterone
In a group of randomly cycling cows, what percent of cows might be expected to
express ESTRUS within a 10 day observation period? - ANS-50%
(what if it was greater than 10 days?)
In MONOtocous species, ovulation rate is related to _____1._____ _____1._____. -
ANS-1. embryo production
In POLYtocous species, ovulation rate is related to ___1.____ __1.___. - ANS-1. Litter
size
LARGE antral follicles have ______. - ANS-LH
(To Remember: LH has an "L" in it. L= large)
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