Answer to Question 1
(1) Before conditioning: Only the reflex exists (US UR; puff of air in the eye blink).
(2) When conditioning takes place: Conditioned (previously neutral) stimulus occurs several times along with, or slightly before, the unconditioned stimulus, followed by the unconditioned response (CS...US UR; light on...puff of air in the eye-->blink).
(3) After conditioning: Conditioned stimulus is followed by now-conditioned response
(CS CR; light on blink).
Answer to Question 2
Answer: B