Sahid cringes every time he hears a dentist's drill, even when he is sitting in the waiting room of his dentist's office. In this example, cringing in the waiting room is

A) an unconditioned response.
B) a conditioned stimulus.
C) a conditioned response.
D) an unconditioned stimulus.

Conditioned Response

A conditioned reaction acquired through training to a stimulus that usually doesn't elicit a response.

Unconditioned Stimulus

In traditional conditioning, a stimulus that inherently and effortlessly elicits a reaction without the need for prior learning.

Unconditioned Response

An instinctive, unlearned reaction to an external stimulus that takes place without beforehand learning or conditioning.