Mark suffers from shaking, tremors, loss of control of fine motor movements, rigidity, and disturbances in posture. He walks laboriously in a crouch and has sluggish reflexes. He usually
Looks expressionless, as if he were wearing a mask. Mark is probably suffering from ______.
A) Parkinson's disease
B) Alzheimer's disease
C) Pick's disease
D) Huntington's disease

Question

Quizplus · Accepted Answer

The symptoms described are consistent with Parkinson's disease which is a neurodegenerative disorder characterized by the loss of dopaminergic neurons in the substantia nigra of the brain. This results in motor symptoms such as tremors, rigidity, bradykinesia, and postural instability. The expressionless face, known as mask-like face, is also a common symptom of Parkinson's disease.

Mark Suffers from Shaking, Tremors, Loss of Control of Fine