Interactive Nerve Anatomy Guide

86 Questions | Total Attempts: 496

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Interactive Nerve Anatomy Guide

A review to material for test 3 on peripheral nerve blocks.


Questions and Answers
  • 1. 
    The brachial plexus is formed by the nerve roots of which vertebrae in the majority of people?
    • A. 

      C5-C8

    • B. 

      C2-T2

    • C. 

      T1-T2

    • D. 

      C1-C4

  • 2. 
    In the cervical region nerve roots exit _____ the vertebrae for which they are named, but starting in the Thoracic region nerve roots exit _____ the vertebrae for which they are names.
    • A. 

      Below, above

    • B. 

      Above, below

    • C. 

      Beside, above

    • D. 

      Below, Beside

  • 3. 
    Which of the following is the proper sequence, from proximal to distal, for the composition of the brachial plexus?
    • A. 

      Trunks, Cords, Roots, Divisions, Branches

    • B. 

      Cords, Roots, Branches, Trunks, Divisions

    • C. 

      Roots, Trunks, Divisions, Cords, Branches

    • D. 

      Branches, Divisions, Trunks, Roots, Cords

  • 4. 
    Which nerve passes behind humerus and laterally at the epicondyle?
    • A. 

      Median Nerve

    • B. 

      Ulnar Nerve

    • C. 

      Scalene Nerve

    • D. 

      Radial Nerve

  • 5. 
    Stimulation of the radial nerve at level of elbow would result in which of the following?
    • A. 

      Extension of wrist and fingers

    • B. 

      Pronation of forearm and flexion of wrist

    • C. 

      Flexion of pinky finger and ulnar wrist deviation

    • D. 

      Contraction of deltoid muscle

  • 6. 
    A patient experiencing numbness of posterior forearm, thumb, and first two digits would most have a block of which nerve?
    • A. 

      Ulnar

    • B. 

      Radial

    • C. 

      Medial

    • D. 

      Obturator

  • 7. 
    Stimulation of the median nerve would result in which of following actions?
    • A. 

      Extension of wrist and fingers

    • B. 

      Flexion of pinky finger and ulnar wrist deviation

    • C. 

      Pronation of forearm and flexion of wrist

    • D. 

      Contraction of deltoid muscle

  • 8. 
    The Ulnar nerve arises from the inferior roots of which vertebrae?
    • A. 

      C5-C6

    • B. 

      C6-C8

    • C. 

      C2-C4

    • D. 

      C8-T1

  • 9. 
    In above picture, what is nerve #2?
    • A. 

      Ulnar

    • B. 

      Median

    • C. 

      Radial

    • D. 

      None of Above

  • 10. 
    In above picture, what is nerve #1?
    • A. 

      Ulnar

    • B. 

      Median

    • C. 

      Radial

    • D. 

      None of Above

  • 11. 
    In above picture, what is nerve #3?
    • A. 

      Ulnar

    • B. 

      Median

    • C. 

      Radial

    • D. 

      None of Above

  • 12. 
    Which nerve can be located posterior to the medial epicondyle at the elbow?
    • A. 

      Median

    • B. 

      Scalene

    • C. 

      Radial

    • D. 

      Ulnar

  • 13. 
    Stimulation of the ulnar nerve would result in which of following actions?
    • A. 

      Flexion of pinky finger and ulnar wrist deviation

    • B. 

      Extension of wrist and fingers

    • C. 

      Pronation of forearm and flexion of wrist

    • D. 

      Contraction of deltoid muscle

  • 14. 
    Which of the following provides sensory and motor enervation to the deltoid muscle?
    • A. 

      Scalene nerve

    • B. 

      Axillary nerve

    • C. 

      Median nerve

    • D. 

      Musculocutaneous nerve

  • 15. 
    A patient with a MCN block would not be able to perform which of the following actions?
    • A. 

      Closing their hand

    • B. 

      Leg Lunges

    • C. 

      Bicep Curl

    • D. 

      Wrist dorsiflexion

  • 16. 
    Which of the following properly describes the musculocutaneous nerve?
    • A. 

      It supplies motor enervation to the deltoid muscle it also supplies sensory enervation to the same area both anteriorly and posteriorly

    • B. 

      Sensory it supplies the thumb, index, middle and half of the ring finger on the palmar(bolar) side on the dorsum of the hand it supplies the distal 3rd of the thumb and index fingers.

    • C. 

      Stimulation of the nerve causes extension of the wrist.

    • D. 

      Provides motor enervation to biceps and coracobrachialis, sensory to lateral aspect of forearm.

  • 17. 
    An interscalene block will generally require what volume of anesthetic?
    • A. 

      40 ml

    • B. 

      10 ml

    • C. 

      25 ml

    • D. 

      5 ml

  • 18. 
    A block of the radial nerve at the level of the elbow would generally require what volume of anesthetic?
    • A. 

      40 ml

    • B. 

      10 ml

    • C. 

      25 ml

    • D. 

      2-5 ml

  • 19. 
    The lumbar plexus is derived from the ventral rami of…
    • A. 

      L5-S3

    • B. 

      T10-T12

    • C. 

      L1-L4

    • D. 

      C7-T3

  • 20. 
    The lumbar plexus forms all of the following except what?
    • A. 

      Lateral femoral cutaneous nerve

    • B. 

      Femoral nerve

    • C. 

      Obturator nerve

    • D. 

      Sciatic Nerve

  • 21. 
    What is the largest nerve in the body?
    • A. 

      Sciatic nerve

    • B. 

      Brachial Plexus nerve

    • C. 

      Femoral nerve

    • D. 

      Spinal cord

  • 22. 
    Which of the following nerves does not play a role in lower extremity nerve blockade?
    • A. 

      Lateral femoral cutaneous

    • B. 

      Ilioinguinal

    • C. 

      Obturator

    • D. 

      Femoral

  • 23. 
    Which nerve supplies sensation to the lateral aspect of the thigh down to the knee?
    • A. 

      Femoral

    • B. 

      Sciatic

    • C. 

      Lateral Femoral Cutaneous

    • D. 

      Ilioinguinal

  • 24. 
    Which of the following nerves provides motor enervation to the quadriceps muscle and sensation to the anterior thigh?
    • A. 

      Ilioinguinal

    • B. 

      Obturator

    • C. 

      Lateral Femoral Cutaneous

    • D. 

      Femoral

  • 25. 
    Which of the following supplies motor and sensory to the inner aspect of the thigh?
    • A. 

      Obturator

    • B. 

      Femoral

    • C. 

      Lateral Femoral Cutaneous

    • D. 

      Ilioinguinal

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