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Most correctly guessed answers

      • TRH [...]-regulates the secretion of TSH from the anterior pituitary.
      • up
      • 100.0%
      • GH controls the release of IGF-1 from which organ?
      • Liver
      • 100.0%
      • GHRH [...]-regulates the release of GH from the anterior pituitary.
      • up
      • 100.0%
      • CRH [...]-regulates the release of ACTH from the anterior pituitary.
      • up
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      • Does a healthy person secrete GH at high levels throughout the day?
      • No, only at night
      • 100.0%
      • Somatostatin is secreted by the [...] in the brain.
      • hypothalamus
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      • Release of TSH from the anterior pituitary is controlled by the hypothalamic hormone [...].
      • TRH
      • 100.0%
      • GHRH and somatostatin control the release of [...] from the anterior pituitary.
      • GH
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      • GnRH controls the release of [...] and [...] from the anterior pituitary.
      • FSH, LH
      • 100.0%
      • GnRH [...]-regulates the release of FSH and LH from the anterior pituitary.
      • up
      • 100.0%
      • TRH stimulates the release of [...] and [...] from the anterior pituitary.
      • TSH, PRL
      • 100.0%
      • GH and IGF-1 [...]-regulate the secretion of GH from the anterior pituitary.
      • down
      • 100.0%
      • Through which 2 mechanisms does ADH increase blood pressure?
      • Vasoconstriction and reabsorption of H2O in the nephron
      • 100.0%
      • Somatostatin [...]-regulates the release of GH from the anterior pituitary.
      • down
      • 87.5%
      • What 4 physiological stimuli stimulate GH secretion?
      • Stress
        Exercise
        Sleep
        Post-prandial glucose decline
      • 87.5%
      • GnRH is secreted by the [...].
      • hypothalamus
      • 87.5%
      • GHRH is secreted by the [...].
      • hypothalamus
      • 87.5%
      • Release of LH and FSH from the anterior pituitary is controlled by the hypothalamic hormone [...].
      • GnRH
      • 87.5%
      • Cortisol [...]-regulates the secretion of ACTH from the anterior pituitary.
      • down
      • 87.5%
      • When in life is PRL secretion increased?
      • Pregnancy and lactation
      • 87.5%
      • What chemical class do the posterior pituitary hormones belong to?
      • Peptide
      • 75.0%
      • GH controls the release of [...] from the liver.
      • IGF-1
      • 75.0%
      • Release of GH from the anterior pituitary is controlled by the 2 hypothalamic hormones [...] and [...].
      • GHRH, somatostatin
      • 75.0%
      • Which 2 hormones have a negative feedback effect on the release of GH from the anterior pituitary?
      • GH
        IGF-1
      • 75.0%
      • Does GH have effect which complement or counter the effects of insulin?
      • Counter
      • 75.0%
      • What are the 3 ADH receptors?
      • V1a, V1b (V3), V2
      • 75.0%
      • Which 2° messenger does the V2 ADH receptor activate?
      • cAMP
      • 75.0%
      • Where in the body are V1a ADH receptors expressed?
      • Blood vessels
      • 75.0%
      • Where in the body are V2 ADH receptors expressed?
      • DCT and collecting tubule and duct of the nephron
      • 75.0%
      • What effect does ADH binding to V1a receptors have?
      • Vasoconstriction
      • 75.0%
      • What effect does ADH binding to V1b (V3) receptors have?
      • Increase ACTH release
      • 75.0%
      • What effect does ADH binding to V2 receptors have?
      • Increase H2O permeability of the collecting duct in the nephron
      • 75.0%
      • When in the day do GH levels reach their peak?
      • Sleep stages 3-4
      • 62.5%
      • When in the day do PRL levels reach their peak?
      • 2 hours after sleep begins
      • 62.5%
      • When in the day do ACTH levels reach their peak?
      • Before waking up
      • 62.5%
      • TRH and dopamine control the release of [...] from the anterior pituitary.
      • PRL
      • 62.5%
      • Which 2° messenger does the V1a ADH receptor activate?
      • IP3 and DAG
      • 62.5%
      • Which 2° messenger does the V1b (V3) ADH receptor activate?
      • IP3 and DAG
      • 62.5%
      • Where in the body are V1b (V3) ADH receptors expressed?
      • Corticotrophs in the anterior pituitary
      • 62.5%