1. Temperature receptors in the skin are
A. pacinian corpuscles
B. hair follicles
C. free nerve endings
D. Krause end-bulbs
2. Men are more likely than women to dream about
A. children
B. automobiles
C. clothing
D. all of the above
3. Fifteen minutes after Zigfried left the brightly lit hallway and entered the dark passageway, dark adaptation was
A. complete in his rods, but still taking place in his cones
B. complete in both his rods and cones
C. still taking place in both his rods and cones
D. complete in his cones, but still taking place in his rods.