A patient with Parkinson disease is exhibiting rigidity, bradykinesia, and a limited ability to walk. The nurse explains to the patient that he is now in which Hoehn and Yahr stage of Parkinson disease?
A) Stage 1
B) Stage 2
C) Stage 3
D) Stage 4
D) Stage 4
Explanation: A) Stage 1 on the Hoehn and Yahr Scale of Parkinson disease is marked by signs and symptoms on one side only, mild symptoms, symptoms that are inconvenient but not disabling, tremor of one limb, and changes in posture, locomotion, and facial expression noted by friends.
B) Stage 2 on the Hoehn and Yahr Scale of Parkinson disease is marked by bilateral symptoms, minimal disability, and posture and gait are affected.
C) Stage 3 on the Hoehn and Yahr Scale of Parkinson disease is marked by a significant slowing of body movements, early impairment of equilibrium on walking or standing, and generalized dysfunction that is moderately severe.
D) Stage 4 on the Hoehn and Yahr Scale of Parkinson disease is marked by severe symptoms, the ability to still walk to a limited extent, rigidity and bradykinesia, an inability able to live alone, and tremor that may be less than in earlier stages.
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