A severe form of senile dementia that may be due to a defect in the neurotransmitter system is called:
A)anorexia nervosa.
B)myasthenia gravis.
C)Alzheimer disease.
D)multiple sclerosis.

Question

Quizplus · Accepted Answer

Alzheimer's disease is a severe form of senile dementia that is characterized by loss of memory, decline in cognitive function, and changes in behavior. It is associated with a defect in the neurotransmitter system, particularly the reduction in the levels of acetylcholine, a neurotransmitter that is essential for memory and learning. Anorexia nervosa is an eating disorder, myasthenia gravis is an autoimmune disorder that affects the muscles, and multiple sclerosis is a chronic neurological disorder characterized by demyelination of the nerve fibers.

A Severe Form of Senile Dementia That May Be Due