Q. 19

Question

Parkinson’s disease is caused by the degeneration of neurons that release ________. 

a. serotonin 

b. dopamine 

c. glutamate 

d. norepinephrine 

Step-by-Step Solution

Verified
Answer

Option b is the correct answer.

1Step 1: Introduction

Parkinson's disease is a degenerative condition brought on by nerve cell degeneration in the region of the brain known as the substantia nigra, which regulates movement. 

2Step 2: The explanation for the correct answer

The substantia nigra, a region of the brain, loses nerve cells, which results in Parkinson's disease. Dopamine is a neurotransmitter that is made by nerve cells in this region of the brain.

3Step 3: The explanation for incorrect options

Therefore, the rest of the option is irrelevant to Parkinson's disease and to the question.