The most common cause of major neurocognitive disorder is ________
A) intracranial tumors.
B) severe or repeated head injury.
C) Alzheimer's disease.
D) drug toxicity.

Question

Quizplus · Accepted Answer

Alzheimer's disease is the most common cause of major neurocognitive disorder, accounting for approximately 60-80% of cases. Other causes include vascular disorders, Lewy body dementia, frontotemporal dementia, and traumatic brain injury, but they are less common. Intracranial tumors and drug toxicity can also cause major neurocognitive disorder, but these cases are relatively rare compared to Alzheimer's disease.

The Most Common Cause of Major Neurocognitive Disorder Is ________