Practice Quiz Ingestive Behavior

10 Questions  I  By Gigi963
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Physiology Quizzes & Trivia

  
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  • 1. 
    The process of _________ regulates the fluids that bathes our cells.
    • A. 

      Positive feedback

    • B. 

      Homeostasis

    • C. 

      Hemostasis

    • D. 

      Hypocolemia

    • E. 

      Osmogenesis


  • 2. 
    The optimal value of the system variable in a homeostatic system is termed the ______.
    • A. 

      Correctional mechanism

    • B. 

      Thermostat

    • C. 

      Set point

    • D. 

      Detector

    • E. 

      Homeostatic variable


  • 3. 
    Which of the following is the most essential element of a regulatory system?
    • A. 

      Satiety mechanisms

    • B. 

      Positive feedback

    • C. 

      Anticipatory

    • D. 

      Negative feedback

    • E. 

      Ingestive mechanisms


  • 4. 
    Osmorecptors 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 concentration of renin within the blood

    • E. 

      Blood plasma solute concentration


  • 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. 
    Research by Egan and others has suggested that osmoreceptors are located within the _________.
    • A. 

      Amygdala

    • B. 

      Medial hypothalamus

    • C. 

      Cerebral aqueduct

    • D. 

      Medial orbitofrontal cortex

    • E. 

      Anteroventral tip of the third ventricle


  • 7. 
    Which of the following is a potent stimulus for producing hypovelemia, but not osmometric thirst?
    • A. 

      Loss of fluid volume from brain cells.

    • B. 

      Vomiting during illness

    • C. 

      Loss of blood after an automobile trauma

    • D. 

      Ingestion of a bag of salted potato chips

    • E. 

      B and C are correct


  • 8. 
    Which of the following is a known physiological effect of Angiotensin II?
    • A. 

      Consumption of water.

    • B. 

      Increased release of hormones that cause the kidneys to conserve water and salt.

    • C. 

      Increased blood pressure.

    • D. 

      Consumption of salt.

    • E. 

      All of the above are correct.


  • 9. 
    Eating a salty meal induces volumetric thirst.
    • A. 

      True

    • B. 

      False


  • 10. 
    Loss of blood, vomiting, or diarrhea can result in volumetric thirst.
    • A. 

      True

    • B. 

      False


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