In __________________ based addictions, the body becomes so accustomed to functioning in the presence of a drug that it cannot function without it.

Sudden, veryintense periods of anxietyare known as

A) obsessions B) delusions C) panic attacks D) agoraphobias

An important function of monoamine oxidase is to

a. provide the precursor for the catecholamines. b. convert dopamine into norepinephrine. c. convert norepinephrine into epinephrine. d. convert catecholamines and serotonin into inactive forms. e. speed up the digestion of cheese within the gut.