MCQ IN MEDICINE

Detailed explanation-1: -Parkinson’s disease is a progressive disorder that is caused by degeneration of nerve cells in the part of the brain called the substantia nigra, which controls movement. These nerve cells die or become impaired, losing the ability to produce an important chemical called dopamine.

Detailed explanation-2: -In Parkinson’s disease, certain nerve cells (neurons) in the brain gradually break down or die. Many of the symptoms are due to a loss of neurons that produce a chemical messenger in your brain called dopamine.

Detailed explanation-3: -Parkinson’s disease (PD) A neurodegenerative disorder that affects predominately the dopamine-producing (“dopaminergic”) neurons in a specific area of the brain called substantia nigra.