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Quiz von Kattie Stonemann, aktualisiert more than 1 year ago
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Erstellt von Kattie Stonemann
vor fast 6 Jahre
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Frage 1
Frage
What does GnRH stand for?
Antworten
-
Gonadotropin releasing hormone.
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Gandalf represents hell.
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Gonadotropin luteninsing hormone.
Frage 2
Frage
What is the purpose of GnRH?
Antworten
-
The hypothalamus stimulates cells in the anterior pituitary gland to produce LH and FSH.
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To encourage the body to be sexually active.
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To encourage the body to ovulate.
Frage 3
Frage
What is LH?
Antworten
-
Luteinising hormone.
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Follicle stimulating hormone.
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Loose haddock.
Frage 4
Frage
What is FSH?
Antworten
-
Follicle stimulating hormone.
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Luteinising hormone.
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Fashionable sassy haddock.
Frage 5
Frage
What is the purpose of LH?
Antworten
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To stimulate cells in the testes to produce testosterone.
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To stimulate spermatogenisis.
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Both.
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Neither.
Frage 6
Frage
What is the purpose of FSH.
Antworten
-
To stimulate spermatogenisis.
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To stimulate cells in the testes to produce testosterone.
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Both.
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Neither.
Frage 7
Frage
Tick all that applies to dihydrotestosterone.
Antworten
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Prenatal development.
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Development of male sexual characteristics.
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Development of sexual function.
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Stimulation of anabolism.
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Development of female sexual characteristics.
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Growth of testis.
Frage 8
Frage
What hormone promotes development and maintenance of female reproductive structures, feminine secondary sex characteristics and breasts.
Antworten
-
Estrogen.
-
Progesterone.
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Relaxin.
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Inhibin.
Frage 9
Frage
What hormones inhibits release of FSH and, to a lesser extent, LH?
Antworten
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Inhibin.
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Relaxin.
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Progesterone.
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Estrogen.
Frage 10
Frage
The oestrous cycle is the time from the beginning of heat to the period of the next, but what does polyestrous describe?
Antworten
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The cycle continues throughout the year if not pregnant.
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Has 2 cycles per year.
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Has 1 cycle per year.
Frage 11
Frage
What does Diestrous describe?
Antworten
-
The cycle continues throughout the year if not pregnant.
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Has 2 cycles per year.
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Has 1 cycle per year.
Frage 12
Frage
What does monoestrous describe?
Antworten
-
The cycle continues throughout the year if not pregnant.
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Has 2 cycles per year.
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Has 1 cycle per year.
Frage 13
Frage
Select an animal that is polyestrous.
Antworten
-
Cattle.
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Fox.
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Dog.
Frage 14
Frage
Select an animal that is diestrous.
Antworten
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Dog.
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Cattle.
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Fox.
Frage 15
Frage
Select an animal that is monoestrous.
Antworten
-
Fox.
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Dog.
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Cattle.
Frage 16
Frage
There are 3 phases of the estrous cycle, what is the first?
Antworten
-
Follucular.
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Ovulation.
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Luteal.
Frage 17
Frage
Second?
Antworten
-
Ovulation.
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Follucular.
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Luteal.
Frage 18
Frage
Third?
Antworten
-
Luteal.
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Follucular.
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Ovulation.
Frage 19
Frage
What step does this describe?
GnRH triggeres FSH release that stimulates growth of follicles in the ovary?
Antworten
-
Follicular.
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Ovulation.
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Luteal.
Frage 20
Frage
What step does this describe?
BnHR and estrogen level changes will trigger LH release that causes ovulation.
Antworten
-
Ovulation.
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Luteal.
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Follicular.
Frage 21
Frage
What step does this describe?
CL producing progesterone that affects the uterus lining.
Antworten
-
Luteal.
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Ovulation.
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Follicular.
Frage 22
Frage
FSH and LH are secreted by the anterior pituitary gland but where is estrogen secreted from?
Antworten
-
Ovaries.
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Anterior pituitary gland.
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Thyroid glands.
Frage 23
Frage
Throughout the cycle FSH it stimulates follicle development and what else?
Antworten
-
Follicle releases estrogen.
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FSH stimulates the ovaries to release estrogen.
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Both.
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Neither.
Frage 24
Frage
Estrogen, what does it do?
Antworten
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Estogen stimulates the uteus lining to thicken.
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Estrogen inhibits FSH being released from pituitary gland.
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Both.
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Neither.
Frage 25
Frage
Estrogen concentration peaks and stimulates the anterior pituitary to release LH and FSH then the LH surges to rapid increase and does what?
Antworten
-
Ovulation stimulated by LH – follicule ruptures and egg is released.
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Ruptured follicle turns into corpus luteul.
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CL releases progesterone.
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All.
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None.
Frage 26
Frage
Progesterone rises and what?
Antworten
-
Progesteron inhibits FSH and LH.
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Uterus lining is maintained by progesterone.
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If no embryo, the CL breaks down and stops releasing progesterone.
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All of the above.
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None.
Frage 27
Frage
The concentration of progesterone then falls and...
Antworten
-
FSH and LH concentrations increase because they are no longer inhibited by progesterone.
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Uterus lining not maintained.
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Uterus lining sheds out.
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Cycle starts again.
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All of the above.
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None.
Frage 28
Antworten
-
Progesterone.
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LH.
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Estrogens.
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FSH.
-
FSH.
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Estrogens.
-
Progesterone.
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LH.
-
LH.
-
FSH.
-
Progesterone.
-
Estrogens.
-
Estrogens.
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LH.
-
FSH.
-
Progesterone.
Frage 29
Antworten
-
Dominant follicule
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1st wave
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2nd wave
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dominant follicule that ovulates
Frage 30
Frage
What is the first stage of the estrous cycle?
Antworten
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oestrus. – the female is receptive to the male.
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Metoestrus – formation of corpus luteum.
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Diestrus – corpus luteum fully functional.
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Proestrus – regression of corpus luteum, drop in progesterone, extends until start of oestrus.
Frage 31
Frage
What is the third stage.
Antworten
-
Diestrus – corpus luteum fully functional.
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oestrus. – the female is receptive to the male.
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Metoestrus – formation of corpus luteum.
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Proestrus – regression of corpus luteum, drop in progesterone, extends until start of estrus.
Frage 32
Frage
In cattle oestrus lasts 4-24hrs, and ovulates 30h after. When does metoestrus occur?
Antworten
-
2-4 days after oestrus, ovulation and formation of CL.
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around day 5, ends with regression of CL
Frage 33
Frage
Diestrus occurs on the 5th day, ends with regression of CL on day 16, if the cattle is not pregnant CL will degenerate, then proestrus occurs but what happens?
Antworten
-
Drop in progesterone.
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Increase in progesterone.
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Both.
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Neither.
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