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General Medicine · Neurology: Parkinsonism
Sample itemWhich finding best distinguishes Parkinson disease tremor from essential tremor?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Rest tremor with bradykinesia and rigidity
Parkinson disease requires bradykinesia plus rest tremor or rigidity, often with postural instability later. Essential tremor is predominantly action or postural and commonly affects both upper limbs.
Option by option
A. Tremor relieved by alcohol only
Alcohol responsiveness can occur in essential tremor but is not diagnostic alone.
B. Absence of any gait change
Gait changes can occur in Parkinson disease.
C. Rest tremor with bradykinesia and rigidity (correct)
Correct. Rest tremor with bradykinesia and rigidity is parkinsonian.
D. Symmetric action tremor only
Action tremor without bradykinesia favors essential tremor.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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