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5 Written questions

5 Matching questions

  1. hormone receptors
  2. common neurotransmitters
  3. Ernest Starling
  4. activation G protein signal transduction pathway
  5. homospecific up regulation
  1. a acetylcholine, dopamine, serotonin
  2. b prolactin increases prolactin receptors
  3. c alpha-GTP activates enzymes, opens ion channels, activation of enzymes and opening of ion channels generates second messengers, pertussis toxin inhibits on reaction only for Gi
  4. d high specificity, hight affinty (low Kd), hormone binding to receptor initiates biological activity
  5. e 1905 coined the term hormone from the greek word to arouse or excite

5 Multiple choice questions

  1. used to measure bound labeled hormone as indicated by color change caused by enzyme reacting with added substrate
  2. steroids with masculinizing effects
  3. inhibit blood platelet aggregation, syntesized by endothelial cells of blood vessels, travel to platelets and decrease free Ca2+
  4. a transcription factor expression in hippocampus
  5. affect smooth muscle activity, increased PGF2alpha: contractions, increased PGE2: relaxation

5 True/False questions

  1. toad bladder/frog skin response to arginine vasopressin (AVP)use to study mechanism of action of AVP on movement of water across membranes

          

  2. Von Mering and Minkowiskidiscovered the first hormone, secretin, done with dogs, cutting the nervous system to the stomach to prevent any interaction then placed acid in the stomach and saw hormone projection from the pancreas

          

  3. agonistsmimic action of hormones, diethylstilbestrol (DES), an estradiol (E) agonist

          

  4. leukotrinesbind guanine nucleotides, guanosine diphosphate (GDP), guanosine triphosphate (GTP), heterotrimers, alpha subunit type determines whether stimulator or inhibitory effects

          

  5. pigeon crop assays for prolactinaffect smooth muscle activity, increased PGF2alpha: contractions, increased PGE2: relaxation

          

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