The amount of time it takes to respond to a stimulus increases with age mainly because of ______.
A) an increase in the production of keratinocytes.
B) changes in the nervous system.
C) changes in dietary habits.
D) an increase in blood flow.

Question

Quizplus · Accepted Answer

Changes in the nervous system, such as slower nerve conduction speeds and alterations in neurotransmitter levels, are primary reasons why response times to stimuli increase with age.

The Amount of Time It Takes to Respond to a Stimulus