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Describe how the hypothalamus regulates the secretion of anterior pituitary hormones and identify all of the individual hypothalamic regulatory factors. Describe how the hypothalamus controls the activity of the posterior pituitary gland.

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Nelly Stracke
Nelly StrackeLv2
28 Sep 2019
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Related questions

From the list below, select all statements accurate with respectto hormonal regulation of steroid hormone production in males andfemales.

Question 9 options:

A)

hypothalamic secretion of GnRH stimulates LH and FSH secretionin the anterior pituitary
B)

FSH secretion in the anterior pituitary stimulates testosteronesecretion in theca cells and Leydig cells
C)

FSH secretion in the anterior pituitary stimulates inhibinsecretion by granulosa cells and Sertoli cells of the ovary andtestis, respectively
D)

LH secretion stimulates testosterone secretion in both ovariangranulosa and theca cells
E)

LH secretion stimulates testosterone secretion in Leydig andtheca cells of the testes and ovaries, respectively
F)

inhibin feeds back to turn down both LH and FSH secretion in theanterior pituitary
G)

inhibin feeds back to selectively suppress LH secretion in theanterior pituitary without changing FSH secretion
H)

inhibin feeds back to selectively suppress FSH secretion in theanterior piutitary without changing LH secretion
I)

testosterone secretion in males always feeds back to inhibitGnRH secretion from the hypothalamus
J)

testosterone secretion in males always feeds back to inhibitanterior pituitary responsiveness to GnRH
K)

progesterone in high concentration has an inhibitory effect onGnRH secretion in the hypothalamus
L)

similar to testosterone's effect in males, estrogen in femalesalways feeds back to inhibit GnRH secretion from thehypothalamus
M)

when estrogen levels in females are low, estrogen feeds back atthe hypothalamus to inihibit GnRH secretion from the hypothalamussimilar to testosterone's effects in males
N)

when estrogen levels in females are high and unaccompanied byhigh progesterone levels, estrogen is stimulatory, rather thaninhibitory to GnRH secretion in the hypothalamus
O)

if estrogen levels in females are high but are accompanied byhigh progesterone levels, the powerful inhibitory effects ofprogesterone override the stimulatory effects of estrogen andsuppress GnRH secretion from the hypothalamus

Describe the feedback release mechanism of the hormones released from the anterior and posterior pituitary. What triggers the hormones secretions (from where) and what do they do?

Peripheral/endocrine signals interact with hypothalamic circuitsto control motivated behavior. In particular, the roles of specificpopulations of neurons within the hypothalamus regulate feeding andmetabolic activity. The action of hormones on these neurons is alsowell known.

Describe the effects of satiety hormones (insulin and leptin) onthe hypothalamus and the action of specific hypothalamic nuclei inregulating feeding and metabolic activity. Your answer shouldspecify the specific area(s) in which the hormones bind (i.e. wherethere are receptors), the output(s) from the hormone bindingarea(s) to other hypothalamic areas, and the outputs from thehypothalamus to other brain/body areas that generate changes infood-seeking behavior and changes in metabolic rate throughout thebody.

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