Participants in Human Experiments Are Generally Selected

question 8

Multiple Choice

Participants in human experiments are generally selected

• A) at random from the population.
• B) based on convenience and availability.
• C) through lotteries and newspaper ads.
• D) from phone books or class rosters.

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Definitions:

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby and removing waste products from the baby's blood.

Birth Defects

Conditions that are present from birth, causing abnormalities in body structure, function, or metabolism.

Heroin

An opioid drug derived from morphine, often used illegally for its euphoric effects.

Heart Defects

Anomalies present at birth that affect the structure and function of the heart.