Practice Quiz

COMLEX Osteopathic Physician Exam Prep

Category - COMLEX

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You are caring for an adult patient who is suspected to have upper neuronal damage. You look for the Babinski sign by stroking the sole of the foot. What would you expect to see?
  1. All toes curl inward
  2. No response
  3. Big toe extends up and the rest fan out
  4. All toes curl upward
Explanation
Answer - C - In a patient who has upper neuronal damage, a positive Babinski sign is present when the big toe extends and the rest of the toes fan out while the sole of the foot is stroked. A normal or negative sign would be for all toes to curl inward. In children under 2 years of age, the sign is present as the neurologic system matures.
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