Jonathan hosts parties for his friends on a regular basis. Eysenck would place this ongoing pattern of behavior at the _____ level of his hierarchy of personality.

Recent neurobiological research has found that the feeling of love is

a. completely illogical and difficult to trace in the brain. b. physiologically similar to a hallucinogenic experience. c. probably attributable to the release of a group of hormones. d. None of the above.

In the auditory system, the first anatomical structure that is set in motion by the sound wave is

a. an auditory ossicle. b. the cochlea. c. the eardrum. d. the oval window.