During serial NIHSS assessments, a patient's sensory score improves from 2 to 0 over 6 hours. What does this suggest clinically?
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A
The initial assessment was inaccurate and should be corrected
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B
Sensory recovery, possibly from reperfusion or TIA resolution
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C
Score 0 is impossible after a score of 2 without imaging confirmation
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D
The change is too rapid to be stroke-related