Your baby is about two months old and is repeating vowel sounds, such as saying "oo" over and over while you are holding her. She is

Too much _____ from a combination of alcohol and depressants can result in _____

a) GABA; death. b) dopamine; hyperactivity. c) acetylcholine; loss of memory. d) serotonin; a bad mood.

Russell needs more of the drug he has been using to get the normal high he got when he first started. Russell is experiencing _____

a) drug tolerance. b) drug detoxification. c) withdrawal. d) overdrawal.