Medial Cutaneous Nerve of the Arm and Forearm Quiz
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Questions and Answers

What sensory manifestations are typically associated with ulnar nerve compression?

  • Pins and needles sensation in the thumb
  • Numbness in the palm
  • Burning sensation over the lateral 3.5 fingers (correct)
  • Weakness of the wrist extensor muscles

    • Which muscle group is commonly affected by ulnar nerve compression?

  • Gastrocnemius muscles
  • Deltoid muscles
  • Quadriceps muscles
  • Thenar muscles (correct)

    • Where does the ulnar nerve originate from?

  • Axillary nerve
  • Radial nerve
  • Lateral cord of the brachial plexus
  • Medial cord of the brachial plexus (correct)

    • Which artery does the ulnar nerve run alongside in the upper arm?

    <p>Brachial artery</p> Signup and view all the answers

    What is a notable branch of the ulnar nerve in the lower arm?

    <p>Articular branch to the elbow joint</p> Signup and view all the answers

    Through which muscle does the ulnar nerve pass to enter the forearm?

    <p>Flexor carpi ulnaris</p> Signup and view all the answers

    What sensation is not typically associated with ulnar nerve compression?

    <p>Pain along the lateral leg</p> Signup and view all the answers

    Which of the following is not a common symptom of ulnar nerve compression?

    <p>Pain behind the eye</p> Signup and view all the answers

    What action would be impaired due to weakness of the thenar muscles?

    <p>Grip strength</p> Signup and view all the answers

    What structure would need decompression to treat ulnar nerve compression?

    <p>Flexor retinaculum</p> Signup and view all the answers

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