Sternocleidomastoid and trapezius are supplied by__________________?
Correct answer: B. Spinal accessory
- A. Grannial accessory
- B. Spinal accessory
- C. Vagus
- D. Glossopharyngeal
Explanation
The spinal accessory nerve supplies both sternocleidomastoid and trapezius. The vagus and glossopharyngeal nerves do not provide their main motor supply.
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