Delirium is thought to be more common in the elderly due to ________
A) their weakened immune systems.
B) their relative lack of physical and mental activity.
C) chemical imbalances.
D) normal age-related changes in the brain.

Question

Quizplus · Accepted Answer

Delirium is more common in the elderly due to normal age-related changes in the brain, such as decreased blood flow and volume, decreased neurotransmitter function, and decreased brain metabolism. These changes can make the brain more vulnerable to the effects of illness, medications, and other factors that can trigger delirium.

Delirium Is Thought to Be More Common in the Elderly