Chapter 17

7 Questions  I  By Lavett
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Chapter 17

  
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Questions and Answers

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  • 1. 
    The first step in olfactory reception occurs on the surface of the :
    • A. 

      Basal cell

    • B. 

      Olfactory glands

    • C. 

      Olfactory cilia

    • D. 

      Columnar cell


  • 2. 
    The ultimate destination(s) for interpreting the sense of smell is (are) the:
    • A. 

      Olfactory cortex

    • B. 

      Hypothalamus

    • C. 

      Limbic system

    • D. 

      All of the above


  • 3. 
    The factor that ensures that you quickly lose awareness of a new smell but retain sensitivity to others is called:
    • A. 

      Olfactory discrimination

    • B. 

      Olfactory sensitivity

    • C. 

      Neuronal replacement

    • D. 

      Central adaptation


  • 4. 
    The CNS interprets smell on the basis of the particular pattern of:
    • A. 

      Sensory impressions

    • B. 

      Cortical arrangement

    • C. 

      Receptor activity

    • D. 

      Neuronal replacement


  • 5. 
    Even though acuity varies widely, human olfactory organs can discriminate among many smells based on the:
    • A. 

      Type of receptor cells

    • B. 

      Olfactory sensitivity

    • C. 

      Number of receptors

    • D. 

      Nature of the odorant


  • 6. 
    The three different types of papillae on the human tongue are:
    • A. 

      Filiform, fungiform, circumvallate

    • B. 

      Kinocilia, cupula, and maculae

    • C. 

      Sweet, sour, and bitter

    • D. 

      Cuniculate, pinnate, and circumvate


  • 7. 
    The function of the vitreous body in the eye is to:
    • A. 

      Provide nutrient and waste transport

    • B. 

      Cleanse the inner eye

    • C. 

      Stabilize the shape of the eye and support the retina

    • D. 

      Provide a fluid cushion to protect the eye


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