A Researcher Sets Out to Test the Following Statement: "Adolescents

question 133

Multiple Choice

A researcher sets out to test the following statement: "Adolescents are more likely to start smoking if one or both of their parents smoke." This statement is an example of:

• A)a theory.
• B)an operational definition.
• C)a hypothesis.
• D)experimenter bias.

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Definitions:

Angiotensin II

A peptide hormone that causes blood vessels to constrict and blood pressure to increase, part of a vital mechanism regulating blood pressure.

Vasoconstriction

The constriction of blood vessels, which increases blood pressure.

Aldosterone Secretion

A physiological process involving the release of aldosterone from the adrenal cortex, which helps regulate blood pressure and electrolyte balance.

Aldosterone

Produced in the adrenal cortex, it plays a crucial role in electrolyte balance and blood pressure through its effects on ion transport and water retention.