Rats previously exposed to a tone followed by a brief electrical ...

[rachel9]

Rats previously exposed to a tone followed by a brief electrical shock will show ________ when subsequently exposed to the tone (without shock).
 
  A) grooming behavior
  B) reduced fear
  C) reduced plasma levels of stress hormones
  D) behavioral arrest (freezing)
  E) an unconditional emotional response

Question 2

In a typical experiment on classically conditioned emotional responses, the unconditional emotional response is elicited by
 
  A) shock.
  B) a motor response.
  C) a 800-Hz tone.
  D) a heat stimulus.
  E) electrical stimulation of the caudate nucleus.

[recede]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: A
Rationale: In a typical experiment on classically conditioned emotional responses, the unconditional emotional response is elicited by shock.

[rachel9]

Gracias!

[Chelseyj.hasty]

Excellent