Morphine, Heroin, Codeine, and Methadone Are All

question 54

Multiple Choice

Morphine, heroin, codeine, and methadone are all:

• A)amphetamines.
• B)benzodiazepines.
• C)barbiturates.
• D)opioids.

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Definitions:

Biological Rhythms

Natural processes that cyclically change over a period of time in living organisms, such as the circadian rhythm or menstrual cycle.

Onset of Sleep

The transition period from wakefulness to sleep, marking the beginning of the sleep cycle.

Hypersecretion

Abnormally increased output of a secreted material. Compare with hyposecretion.

Growth Hormone

A biochemical substance that promotes growth, cellular reproduction, and the renewal of cells in humans and animals.