Eva's heart rate accelerated when she was confronted by a large snake while hiking.Her accelerated heart rate is an example of

A) operant behavior.
B) spontaneous recovery.
C) respondent behavior.
D) a conditioned stimulus.

Respondent Behavior

Behavior that is elicited by a specific stimulus and is involuntary, such as salivating when smelling food.

Accelerated Heart Rate

An increased heart rate beyond the normal resting rate, which can be induced by stress, exercise, or other conditions.

Snake

A legless, carnivorous reptile with a long, slender body covered in scales, belonging to the suborder Serpentes.