Chapter 10: Sensory Systems

18 Questions  I  By Iheartwaffles
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Sensory System Quizzes & Trivia
Sensory Systems

  
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Questions and Answers

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  • 1. 
    The mechanism by which a receptor converts a stimulus into an electrical signal is called
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Transduction

    • D. 

      Modulation

    • E. 

      Propagation


  • 2. 
    Which of the following best illustrates the concept of an adequate stimulus?
    • A. 

      When a boxer gets punched in the eye, he perceives light

    • B. 

      Rotation of the head stimulates certain receptors in the vestibular system but not those in the visual system

    • C. 

      Information from different photoreceptors converges on a single ganglion cell that projects to the lateral geniculate nucleus.

    • D. 

      Hair cells in the cochlea are stimulated by sound vibrations over a wide range of frequencies


  • 3. 
    The ability to perceive different frequencies in sound vibrations is based on the fact that
    • A. 

      The stereocilia of any given hair cell respond to one frequency only

    • B. 

      Different areas of the basilar membrane resonate at different frequencies such that a sound of a particular frequency causes only a certain region of the membrane to vibrate

    • C. 

      The frequency of action potentials in the cochlear nerve varies in proportion to the frequency of a sound stimulus


  • 4. 
    The stereocilia for hearing are exposed to
    • A. 

      Endolymph in the vestibular duct

    • B. 

      Perilymph in the vestibular duct

    • C. 

      Endolymph in the cochlear duct

    • D. 

      Perilymph in the cochlear duct

    • E. 

      Endolymph in the tympanic duct


  • 5. 
    The parasympathetic nervous system causes
    • A. 

      Contraction of the radial muscle of the iris

    • B. 

      Contraction of the ciliary muscle

    • C. 

      Pupillary dialation

    • D. 

      A and c

    • E. 

      All of the above


  • 6. 
    The Two types of thermoreceptors are ___________ and _________.

  • 7. 
    Receptors are most sensitive to energy from the _________ stimulus.

  • 8. 
    A phasic receptor adapts (quickly/ slowly) to a constant stimulus

  • 9. 
    The three types of nociceptors are __________, _________, and __________.

  • 10. 
    Information about touch detected on the left side of the body is transmitted to the brain in the dorsal columns on the _________ side of the spinal cord.

  • 11. 
    The first neurons that support production of action potentials in the visual pathway are (photoreceptors/ biopolar cells/ ganglion cells).

  • 12. 
    The pitch of sound vibration reflects its (amplitutde/ frequency)

  • 13. 
    A hair cell in the cochlea can be excited by sounds of different frequencies (true / false).

  • 14. 
    The process by which the lens becomes stronger for close-up vision is called ____________.

  • 15. 
    Rods and Cones differ with regard to the type of (retinal / opsin) they contain.

  • 16. 
    A single ganglion cell will either be excited or inhibited by light applied to its visual field (True / false).

  • 17. 
    Odorant molecules must be dissolved in mucus if they are to bind to olfactory receptors (True / False).

  • 18. 
    A given taste receptor cell responds to only one of the four primary tastes (true / false).

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