Leonard's blood test shows a major reduction in dopamine. The effect of this may be responsible for
A) decreased visual acuity.
B) symptoms of Alzheimer disease.
C) symptoms of Parkinson disease.
D) increased impulsivity.

Question

Quizplus · Accepted Answer

Dopamine is a neurotransmitter that plays an important role in movement, motivation, reward, and pleasure. A major reduction in dopamine is a characteristic feature of Parkinson disease, which is a neurodegenerative disorder that affects the motor system. Symptoms of Parkinson disease include tremors, rigidity, bradykinesia, and postural instability. Therefore, choice C is the best answer. Choices A, B, and D are not related to dopamine deficiency or Parkinson disease.

Leonard's Blood Test Shows a Major Reduction in Dopamine