Anatomy & Physiology: Homeostasis

13 Questions | Total Attempts: 2386

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Anatomy & Physiology: Homeostasis

A quiz testing knowledge on Homestasis, Negative/Positive Feedback, etc.


Questions and Answers
  • 1. 
    Describe how the body is organized from smallest to largest.
  • 2. 
    Give an example of Positive Feedback and explain how it is self-amplifying.
  • 3. 
    The focus of anatomy is
  • 4. 
    The focus of physiology is
  • 5. 
    Homeostasis can be defined as the existence and maintenance of a relatively constant enviroment within the body.
    • A. 

      True

    • B. 

      False

  • 6. 
    What are some components of extracellular fluid?
    • A. 

      Volume

    • B. 

      Color

    • C. 

      Concentration

    • D. 

      Pressure

    • E. 

      Salidity

    • F. 

      Temperature

  • 7. 
    The components of extracellular fluid are also known as
  • 8. 
    To stay around the normal value is known as the ...
    • A. 

      Median

    • B. 

      Integrating center

    • C. 

      Set point

    • D. 

      Negative feedback

  • 9. 
    Components generally stay at precisely one value.
    • A. 

      True

    • B. 

      False

  • 10. 
    Negative Feedback maintains homeostasis. The ______________ senses a disturbance in homeostasis. Then the signal is sent to the _______________, which sends a message to the ____________ that will make the change and return the body back to its set point. [separate each answer with a comma]
  • 11. 
    An example of negative feedback is temperature rising or falling in the body due to exercise. When temperature rises above our set point (98.6) what actions and effects take place in the body to return the body back to homeostasis? Check all that apply.
    • A. 

      Blood flow decreases

    • B. 

      Blood flow increases

    • C. 

      Sweating increases

    • D. 

      Temperature increases

    • E. 

      Shivering increases

    • F. 

      Temperature declines

    • G. 

      Body cools

    • H. 

      Body heat is conserved

  • 12. 
    Negative feedback involves a constant back and forth in reactions to go in a straight line overall.
    • A. 

      True

    • B. 

      False

  • 13. 
    Positive Feedback is _______________.
    • A. 

      Always rising and falling

    • B. 

      A negation of the the problem

    • C. 

      Self-amplifying

    • D. 

      (a) and (b)

    • E. 

      All of the above

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