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MMLU / Which of the following is true in ulna nerve palsy?

Problem

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question

Which of the following is true in ulna nerve palsy?

choices

  1. The ulna nerve can be affected by a fracture of the spiral groove of the humerus
  2. It gives rise to a positive phalen's sign
  3. It leads to loss of sensation over the medial half of the hand and medial one and a half digits on both palmar and dorsal aspects of the hand
  4. It supplies the biceps muscles

subject

clinical_knowledge

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Official source

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