Which dermatome is on the pinky finger?

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Study for the Parkinson’s Disease Exam. Engage with detailed flashcards and multiple-choice questions, each offering hints and explanations. Prepare effectively for your exam!

Multiple Choice

Which dermatome is on the pinky finger?

Explanation:
Dermatomes map skin areas to specific spinal nerve roots, so each area of the body corresponds to a particular root. In the upper limb, the thumb tends to align with C6, the middle finger with C7, and the little finger (pinky) with C8. The lower roots like S1 or L5 are associated with the legs and feet, not the hand. So the pinky finger is innervated by the C8 dermatome, making it the correct choice.

Dermatomes map skin areas to specific spinal nerve roots, so each area of the body corresponds to a particular root. In the upper limb, the thumb tends to align with C6, the middle finger with C7, and the little finger (pinky) with C8. The lower roots like S1 or L5 are associated with the legs and feet, not the hand. So the pinky finger is innervated by the C8 dermatome, making it the correct choice.

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