Science Quiz / Hypothalamus, Pituitary Gland, and Adrenal Medulla

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Can you name the HYTQ concepts?

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QuestionAnswer
True or False: TSH, FH, and LH are peptide hormones.
carrier proteins for ADH and oxytocin
under periods of stress, which hormone can stimulate the release of adrenocorticotropin hormone (ACTH)?
The anterior and medial nuclei and the preoptic nucleus of the hypothalamus release which hormone?
type of trophic endocrine cell that synthesizes prolactin
the conversion of dopamine to norepinephrine occurs where in the cell?
This adrenergic receptor acts to decrease cAMP levels
vasopressin and oxytocin are composed of how many peptides?
Where do the neurons of the nuclei of the hypothalamus terminate?
somatotrophs synthesize what hormone?
activates myoepithelial cells for release of milk from the breast
Hormone that stimulates the release of growth hormone
this hormone is secreted from the post. pituitary in response to a increase in plasma osmolality or a decrease in blood volume
catalyzes the conversion of dopamine to norepinephrine?
the effect of ADH on blood vessels
Which two proteins released by the anterior pituitary are peptide hormones?
in stressful situations, cortisol acts on which enzyme?
conversion of norepinephrine to epinephrine occurs where in the cell?
type of trophic endocrine cell that synthesizes adrenocorticotropic hormone, B endorphin, y-lipotropin
precursor to ACTH
What neurotransmitter acts on chromaffin cells to increase the synthesis and release of epinephrine and norepinephrine?
2 major sites of action for oxytocin
Lutenizing hormone releasing hormone acts on which endocrine cell of the anterior pituitary?
The hormone that inhibits the release of growth hormone from the anterior pituitary comes from the _____ nucleus of the hypothalamus.
most abundant endocrine cell in the anterior pituitary
Corticotropin releasing hormone is released from the ______ nucleus of the hypothalamus.
2 hormones of the posterior pituitary
what enzyme catalyzes the conversion of tyrosine to L Dopa?
QuestionAnswer
percentage of epinephrine or adrenaline made by the adrenal medulla
Thyrotropin releasing hormone can come from which 2 hypothalamic nuclei?
catalyzes the conversion of norepinephrine to epinephrine?
which two enzymes act to metabolize epinephrine and norepinephrine?
this hormone is involved in inducing uterine contractions and stimulation of tactile receptors in the nipples of the lactating breast
oxytocin predominantly comes from which nucleus of the hypothalamus?
thyrotrophs synthesize what hormone?
percentage of norepinephrine or noreadrenaline made by the adrenal medulla
what is the major metabolite of epinephrine and norepinephrine in the urine?
what is responsible for transporting catecholamines in and out of chromaffin granules?
The hormones released by neurons of the hypothalamus act on trophes or endocrine cells of the anterior or posterior pituitary?
cortisol is made where?
ADH V1 receptors are located in the ________
on which type of adrenergic receptor will epinephrine illicit a greater response than norepinephrine?
hormone that inhibits the release of growth hormone
This adrenergic receptor acts to increase phosphoinositide
True or False: Norepinephrine and epinephrine required a carrier protein to be transported in the blood.
vasopressin or ADH predominantly comes from which nucleus of the hypothalamus?
The hormone that stimulates the release of growth hormone from the anterior pituitary comes from the _____ nucleus of the hypothalamus.
these trophic cells synthesize follicle stimulating hormone and lutenizing hormone
which hormone stimulates the release of TSH(mostly) and prolactin from the anterior pituitary?
ADH V2 receptors are located in the ________
epinephrine and norepinephrine act as negative feedback regulators of which enzyme?
what enzyme catalyzes the conversion of L Dopa to dopamine?
release of what substance from the arcuate nucleus of the hypothalamus cause the inhibition of the release of prolactin?
The Beta class of adrenergic receptors acts to _____ cAMP levels
True or False: The parvocellular neurons of the hypothalamic nuclei release releasing or inhibiting hormones in the circulation at the median eminence.

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