try - drais

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9. A previously healthy 72-year-old man comes to
the physician
because of a 2-year history of hand tremors and
progressive difficulty
walking. He lives alone and has no close relatives.
He is alert and
oriented. Physical examination shows a decreased rate
of eye blinking.
Neurologic examination shows masked facies and a
pill-rolling resting
tremor of both hands. There is cogwheel rigidity of
the upper extremities
and generalized bradykinesia. His handwriting has
become small and
illegible. He has a slow, shuffling, festinating gait
with a tendency to
lean forward. Postural reflexes are impaired. This
patient is at
greatest risk for injury due to which of the
following?

A
) Bradykinesia

B
) Cogwheel rigidity

C
) Decreased rate of eye blinking

D
) Postural reflex impairment

E
) Tremor