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5 Written questions

5 Matching questions

  1. Gastrin family
  2. Glucagon
  3. Insulin sxr
  4. Exceptions to NV hypothesis
  5. Color change with background
  1. a increase amount of hormone released: Prolactin (synthesis and release inhibited by dopamine), aMSH (controlled by dopamine)
  2. b High albeto, inc reflectance, dec MSH, lighter skin; low albeto, dec reflectance, inc MSH, dark skin::: inc survival in dft environments
  3. c hyperglycemic horm that inc BSG levels, inc glucose m/m into blood, dec storage/utilization of glucose in cells :: Cortisol, GI, Epi also hypoglycemic hormones
  4. d gastrin (G) and cholecystokinin (CCK); share same 5AA at carboxyl end
  5. e 2 chains (A chain, 21AA, B chain, 30 AA), 2 inter-chain disulphide bridges

5 Multiple choice questions

  1. 80% h2o uptake in proximal tubule by AVP independent means, other 20% by horms (AVP acting on collecting ducts, aldosterone acting on distal tubes)
  2. smaller fat cells decrease leptin which increases NPY release that binds to NPY receptor and increases AGRP (MC4R agonist) which both increase appetite and eating
  3. increase Ca mobilization from bone; stimulate osteoblasts to release osteoclast diff inducing factore (IL-6) that cause osteoclasts to release acid proteases whichd digest bone matrix; stimulates differentiation of precursor cells to osteoclasts
  4. dec in release of PTH; causes tetany and convulsions; tapping facial muscles detects latent tetany; pseudohypoparathyroidism - nl PTH levels, low Ca levels, failure to generate cAMP
  5. Broken down by lipases to glycerol and FFA; Glycerol converted to glucose by gluconeogenesis, FFA converted to acetyl CoA by glucose sparing

5 True/False questions

  1. Visceral fat more importantmore highly associated with metabolic syndrome, releases adipokines: hormones that regulate energy and glucose homeostasis


  2. LH fxnsF (stimulates ovulation, corpus luteum formation, estrogen synthesis) M (stimulates T synthesis by Leydig cells)


  3. Dermal chromatophore unitShow little staining (ACTH)


  4. Hypophysiotropic neurohormonesneurohorms produced by neurosecratory neurons of hypothalamus that regulate release of AP horms


  5. Fxs of 1,25(OH)2D3CCK & G inc IP3 which inc free Ca2+, evolved from a CCk ancestral molecule :: fish/amph only have CCk, reptiles/birds/mammals have CCK and G