The Function of the Surfactant in the Lung Is to Help

question 100

Multiple Choice

The function of the surfactant in the lung is to help

• A) reduce the surface tension of water in the alveoli
• B) trap bacteria and dust
• C) move bacteria and dust toward the pharynx
• D) both b and c above

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Definitions:

Independent Variables

Factors or conditions in an experiment that are manipulated or changed by the researcher to observe their effects on the dependent variables.

Dependent Variables

Variables in experimental research that are expected to change as a result of the manipulation of the independent variable.

Third-variable Problem

A challenge in research where a variable not accounted for influences the relationship between the studied variables, potentially leading to mistaken conclusions.

Schizophrenia

A grave mental illness distinguished by deviations in thought, perception of reality, emotions, verbal expression, self-perception, and behaviors.