Examlex
________ is a nonprobability sampling technique that attempts to obtain a sample of convenient elements and leaves the selection of sampling units primarily to the interviewer.
Stimulant Drugs
Substances that increase activity in the central nervous system or the body, often used to enhance alertness or physical performance.
Convulsions
Involuntary, rapid movements of a body's muscles, which can occur as a symptom of an epileptic seizure or other medical conditions.
Heart Failure
A medical condition in which the heart is unable to pump sufficiently to maintain blood flow to meet the body's needs.
Melatonin
A hormone produced by the pineal gland that regulates sleep and wakefulness.
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