Section 3 - Quiz On Eating And Drinking

10 Questions | Total Attempts: 532

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Section 3 - Quiz On Eating And Drinking - Quiz

10 MC questions on eating and drinking


Questions and Answers
  • 1. 
    The two stimuli that evoke hypovolemic thirst are ________and ________.
    • A. 

      Lack of renin in the blood; lack of AII in the blood

    • B. 

      Loss of intracellular water; reduced stimulation of atrial baroreceptor

    • C. 

      Increased sodium within the preoptic region; loss of intracellular water

    • D. 

      Reduced blood flow to the kidneys; reduced stimulation of atrial baroreceptors

    • E. 

      Increased blood flow to the kidneys; lack of renin in the blood

  • 2. 
    An aqueous solution whose solute concentration is less than that of the intracellular fluid is termed
    • A. 

      Cytoplasmic

    • B. 

      Isotonic

    • C. 

      Hypovolemic

    • D. 

      Hypertonic

    • E. 

      Hypotonic

  • 3. 
    Osmoreceptors are specialized neurons that detect
    • A. 

      Changes in solute concentration of the interstitial fluid

    • B. 

      Osmotic pressure within the blood plasma

    • C. 

      Angiotensin concentration in the blood

    • D. 

      The concentartion of renin within the blood

    • E. 

      Blood plasma solute concentration

  • 4. 
    Angiotensin II stimulates drinking by acting on cells within the
    • A. 

      Kidney

    • B. 

      Nucleus of the solitary tract

    • C. 

      Lateral Hypothalamus

    • D. 

      Subfornical organ

    • E. 

      Atria of the heart

  • 5. 
    Which of the following is a strong stimulus for producing osmometric thirst?
    • A. 

      Evaporation from the lungs during the winter months

    • B. 

      Vomiting during illness

    • C. 

      Loss of blood after an automobile trauma

    • D. 

      Ingestion of a bag of salted potato chips

    • E. 

      A and B are correct

  • 6. 
    Our short-term fuel reservior is contained in cells located within the
    • A. 

      Adipose tissue

    • B. 

      Stomach

    • C. 

      Liver and muscles

    • D. 

      Pancreas

    • E. 

      Duodenum

  • 7. 
    Eating is initiated by the secretion of __________ from the ___________
    • A. 

      Insulin; stomach

    • B. 

      Ghrelin; stomach

    • C. 

      Insulin; hypothalamus

    • D. 

      Ghrelin; hypothalamus

    • E. 

      CCK; hypothalamus

  • 8. 
    All of the following statements about CCK are true EXCEPT that
    • A. 

      It inhibits gastric contractions

    • B. 

      The site of action of CCK is directly on neurons of the ventromedial hypothalamus

    • C. 

      It stimulates contraction of the gallbladder and pylorus

    • D. 

      It inhibits eating

    • E. 

      That the blood level of CCK is related to the fat content of a meal

  • 9. 
    The ob mouse becomes obese because it lacks the gene that normally produces
    • A. 

      CCK

    • B. 

      Leptin

    • C. 

      Insulin

    • D. 

      NPY

    • E. 

      Glutamate

  • 10. 
    Damage to the _________ abolishes glucoprovic and lipoprivic eating.
    • A. 

      Area postrema

    • B. 

      Nucleus Accumbens

    • C. 

      Nucleus of the solitary tract

    • D. 

      Ventromedial Hypothalamus

    • E. 

      A and C are correct

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