The nurse observes a patient with Parkinson's disease having difficulty controlling hand movements. ...

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Rationale 1: Pill rolling is a common behavior in progressive Parkinson's disease in which the patient rubs the thumb and forefinger together in a circular motion resembling the motion of rolling a tablet between two fingers.
Rationale 2: The hands develop a palsy-like continuous motion or shaking when at rest.
Rationale 3: A stooped posture would not influence the patient's ability to control hand movements.
Rationale 4: A lack of arm swing does not influence the patient's ability to control hand movements.
Rationale 5: Difficulty bending the arms does not influence the patient's ability to control hand movements.
Global Rationale: Pill rolling is a common behavior in progressive Parkinson's disease in which the patient rubs the thumb and forefinger together in a circular motion resembling the motion of rolling a tablet between two fingers. The hands develop a palsy-like continuous motion or shaking when at rest. A stooped posture, lack of arm swing, and difficulty bending the arms would not influence the patient's ability to control hand movements.