A-heroin-addict-has-entered-a-rehabilitation-program-that-requires-that-she-take-methadone-assignment-help-
14.2 A heroin addict has entered a rehabilitation program that requires that she take methadone. Methadone is effective in this situation because it:
A. Is an antagonist at the morphine receptors.
B. Has less potent analgesic activity than heroin.
C. Is longer acting than heroin; hence, the withdrawal is milder than with the latter drug.
D. Does not cause constipation.
E. Is nonaddictive.