Human Anatomy: Upper Limb Bones
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Questions and Answers

Which nerve supplies most of the muscles of the anterior forearm?

  • Musculocutaneous nerve
  • Radial nerve
  • Median nerve (correct)
  • Ulnar nerve
  • What is the result of injury to the musculocutaneous nerve high up in the arm?

  • Paralysis of the brachialis muscle
  • Sensory loss along the medial side of the forearm
  • Paralysis of the biceps and coracobrachialis muscles (correct)
  • Weakening of the extensor carpi radialis longus muscle
  • Which nerve continues as the lateral cutaneous nerve of the forearm?

  • Radial nerve
  • Median nerve
  • Ulnar nerve
  • Musculocutaneous nerve (correct)
  • What is the result of severing the lateral cutaneous nerve of the forearm?

    <p>Sensory loss along the lateral side of the forearm</p> Signup and view all the answers

    Which nerve is rarely injured due to its protected position?

    <p>Musculocutaneous nerve</p> Signup and view all the answers

    What is the function of the extensor carpi radialis longus and brachioradialis muscles when the forearm is in the prone position?

    <p>Flexion of the forearm at the elbow joint</p> Signup and view all the answers

    Which nerve supplies the anteromedial muscles of the forearm and most of the muscles of the hand?

    <p>Ulnar nerve</p> Signup and view all the answers

    What is the result of injury to the axillary nerve?

    <p>Weakness of the muscles of the shoulder joint</p> Signup and view all the answers

    What is the common cause of axillary nerve injury?

    <p>All of the above</p> Signup and view all the answers

    Which muscle is also supplied by the radial nerve?

    <p>Brachialis muscle</p> Signup and view all the answers

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