Tactile And Proprioception

30 Questions | Attempts: 151
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Sensory System Quizzes & Trivia

Movement of air or pressure perceives the sense of touch over the skin with receptors in the dermis, which detect deep pressure, vibration, light touch and temperature. Take this quiz to find out how much you know about the subject.


Questions and Answers
  • 1. 

    Pressure is faster adapting than vibration sense

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    pressure is slower to adapt

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  • 2. 

    What types of fibers do ALL specialized (touch) sensory endings have?

    • A.

      Group I

    • B.

      Group II

    • C.

      Group III

    • D.

      Group IV

    Correct Answer
    B. Group II
  • 3. 

    Select the incorrect match.

    • A.

      Merkel cells; pressure detection

    • B.

      Meissner's corpuscle; fine, discriminative touch

    • C.

      Pacinian Corpusle; very sensitive to touch

    Correct Answer
    C. Pacinian Corpusle; very sensitive to touch
    Explanation
    Pacinian Corpuscle is sensitive to vibrations

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  • 4. 

    Out of the 3 proprioceptors discussed in class, which has the largestt/fatest axons/conduction?

    • A.

      Muscle spindles

    • B.

      Golgi tendon organ

    • C.

      Joint receptors

    Correct Answer
    A. Muscle spindles
    Explanation
    Muscle Spindles have group Ia and II fibers. Group Ia has the largest axons and fastest conduction velocity

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  • 5. 

    Which of the following fibers are involve din joint receptors? (check all that apply)

    • A.

      Group Ia

    • B.

      Group Ib

    • C.

      Group II

    • D.

      Group III

    Correct Answer(s)
    B. Group Ib
    C. Group II
    Explanation
    Joint Receptors involve both group Ib and II

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  • 6. 

    The main purpose of proprioceptors is to convey info about body's position/location

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
  • 7. 

    Which of the following touch receptors is found in hairless skin (check all that apply)

    • A.

      Merkel's Discs

    • B.

      Meissner's Corpuscle

    • C.

      Free Nerve Endings

    • D.

      Hair Follicle Endings

    Correct Answer(s)
    A. Merkel's Discs
    B. Meissner's Corpuscle
  • 8. 

    Pacinian Corpuscle is best at detecting constant pressure applied to the skin.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Pacinian corpuscle is best at detecting CHANGS in pressure

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  • 9. 

    The back contains smaller receptive fields than the finger tips.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Areas that are most sensitive to touch will contain smaller receptive fields (finergtips) whereas areas that are less sensitive to touch will have larger receptive fields

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  • 10. 

    Several dermatomes comprise a single receptive field

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Several receptive fields comprise a single dermatome

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  • 11. 

    Describe adapation and cells that are involved in both fast and slow adapation

  • 12. 

    Central connections for the body for tactile and propriocepion involves which tract?

    • A.

      Dorsal Column Tract

    • B.

      Medial Lemniscus Tract

    • C.

      Corticopspinal Tract

    • D.

      Lateral Lemniscus Tract

    • E.

      More than one of the above

    Correct Answer
    E. More than one of the above
    Explanation
    this was a trick question: this pathway is referred to both the Dorsal Column Tract and the Medial Lemniscus Tract

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  • 13. 

    For the perceptual relay of tactile and proprioception info, the first synapse is in the spinal cord

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    First synapse is in the spinal cord for REFLEXES ONLY!
    -for the perceptual pathway the first synapse is in the medulla (dorsal column nuclei)

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  • 14. 

    Where do the dorsal column tract fibers decussate in the perceptual relay?

    • A.

      Spinal cord

    • B.

      Medulla

    • C.

      Pons

    • D.

      VPL

    Correct Answer
    B. Medulla
    Explanation
    This tract has primary afferents synapse in the medulla and then immediately decussate (for sensory systems a genera rule is that once the primary afferents synapse, the immediately decussate)

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  • 15. 

    The nucleus gracilis receives info from the ______ and the nucleus cuneatus receives info from the _______

    • A.

      Face; body

    • B.

      Body; face

    • C.

      Lower body; upper body

    • D.

      Upper body; lower body

    • E.

      None of the above

    Correct Answer
    C. Lower body; upper body
  • 16. 

    The medial lemniscus ascends to the VPL of the thalamus

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
  • 17. 

    In the spinal cord, information from the lower body is _______ and info from upper body is _______

    • A.

      Anterior; posterior

    • B.

      Medial; lateral

    • C.

      Lateral; medial

    Correct Answer
    B. Medial; lateral
  • 18. 

    In the medulla, info from the lower body is _____ and info from the upper body is ______

    • A.

      Medial; lateral

    • B.

      Dorsal; ventral

    • C.

      Ventral; dorsal

    • D.

      Lateral; medial

    Correct Answer
    C. Ventral; dorsal
  • 19. 

    In the pons, info from the lower body is _____ and info from the upper body is______

    • A.

      Lateral; dorsal

    • B.

      Dorsal; lateral

    • C.

      Lateral; medial

    Correct Answer
    A. Lateral; dorsal
  • 20. 

    For tactile and proprioception pathways for the face, the primary afferents synapse in the:

    • A.

      Spinal cord

    • B.

      Medulla

    • C.

      Pons

    Correct Answer
    C. Pons
    Explanation
    primary afferents synapse in Principal Sensory Nucleus in pons

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  • 21. 

    For tactile and proprioception pathways for the face, the second order fibers join the ________ tract which is located more _____ than pain&temp fibers

    • A.

      Trigeminothalamic; ventral

    • B.

      Spinothalamic; dorsal

    • C.

      Spinothalamic; ventral

    • D.

      Trigeminothalamic; dorsal

    Correct Answer
    D. Trigeminothalamic; dorsal
  • 22. 

    For tactile and proprioception pathways for the face, the third order fibers ascent to the __________ of the postcenral gyrus.

    • A.

      Superior aspect

    • B.

      Inferior aspect

    • C.

      Lateral aspect

    • D.

      Dorsal aspect

    Correct Answer
    B. Inferior aspect
  • 23. 

    For tactile and proprioception pathways for the face, primary affernts have cell bodies in:

    • A.

      Trigeminal Ganglion

    • B.

      VPM

    • C.

      Mesencephalic Nucleus

    • D.

      Facial motor nucleus

    • E.

      More than one of the above

    Correct Answer
    E. More than one of the above
    Explanation
    Primary afferents in this pathway have cell bodies in trigeminal ganglion and also the mesencephalic nucleus (which is involved in jaw reflexes)

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  • 24. 

    The blink reflex involves which cranial nerve?

    • A.

      Glossopharyngeal

    • B.

      Optic

    • C.

      Facial

    • D.

      Oculomotor

    Correct Answer
    C. Facial
    Explanation
    Facial Nerve (7) sends axons back to muscles in the eyelid (obicularis oculii) to close the lid when something gets too close to the eye

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  • 25. 

    The Jaw Jerk Reflex involves which muscle?

    • A.

      Sternocleidomastoid

    • B.

      Gluteus maximus

    • C.

      Zygomatic

    • D.

      Masseter

    Correct Answer
    D. Masseter
    Explanation
    masseter muscle will close mouth

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  • 26. 

    All muscle and joint receptors send input to the cerebellum

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
  • 27. 

    For muscle and joint sense input to the cerebellum, the primary afferents will first synapse where?

    • A.

      Clarke's Nucleus

    • B.

      Lateral Cuneate Nucleus

    • C.

      Nucleus Gracillis

    • D.

      All of the above

    • E.

      2 of the above

    Correct Answer
    E. 2 of the above
    Explanation
    First synapse in Clarke's (spinal cord)--> info from lower body (legs) -ALSO-
    First synapse in Lateral Cuneate Nucleus (medulla)--> info from upper body (arms)

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  • 28. 

    For muscle and joint sense input to the cerebellum, the ultimate destination is:

    • A.

      Contralateral cerebelllar vermis

    • B.

      Ipsilateral cerebellar vermis

    • C.

      Bilateral cerebellar vermis

    Correct Answer
    B. Ipsilateral cerebellar vermis
    Explanation
    most fibers do NOT cross the midline

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  • 29. 

    What is a unique feature of  muscle and joint sense input to the cerebellum?

    • A.

      Only 2 cells in the pathway

    • B.

      Remains ipsilateral the entire way

    • C.

      None; this pathway follows the general pathway structure

    • D.

      Both a and b

    Correct Answer
    D. Both a and b
  • 30. 

    What tract is involved in  muscle and joint sense input to the cerebellum?

    • A.

      Cuneocerebellar

    • B.

      Spinothalamic

    • C.

      Spinocerebellar

    • D.

      Corticobulbar

    • E.

      A and c

    • F.

      B and c

    Correct Answer
    E. A and c
    Explanation
    Spinocerebellar Tract: info from lower body (leg) --> from Clarke's Nucleus
    Cuneocerebellar Tract: info from upper body (arms) --> from Lateral Cuneate Nucleus

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Sep 05, 2017
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 24, 2011
    Quiz Created by
    Tseemore
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