Science Quiz / Hypothalamus, Pituitary Gland, and Adrenal Medulla

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Can you name the HYTQ concepts?

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

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