Science Quiz / Hypothalamus, Pituitary Gland, and Adrenal Medulla

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Can you name the HYTQ concepts?

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

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