Which of the following best describes a stimulus?
A) A sense organ that receives a message and converts it into a nerve impulse
B) Conduction along a nerve pathway from the receptor to the brain
C) Reception and translation of an impulse into a sensation
D) An act or agent that initiates a response by the nervous system

Question

Quizplus · Accepted Answer

A stimulus is defined as an act or agent that initiates a response by the nervous system. This can include any external or internal change that triggers a response from the body.

Which of the Following Best Describes a Stimulus