Which of the following drugs has been shown in studies to substantially reduce the craving for cocaine in the vast majority of cocaine addicts?

Light is focused on the retina by the _______

a. cornea b. pupil c. iris d. lens

Dreams that occur during __________ sleep are less storylike, and less memorable than dreams that occur during __________ sleep

a) REM; NREM b) Pre-REM; NREM c) NREM; REM d) QREM; REM