Which of the Following Is True

question 19

Multiple Choice

Which of the following is true?
i.A rational choice is made on the margin.
ii.Microeconomics is the study of the national economy while macroeconomics is the study of the global economy.
iii.Economists try to understand how the economic world works by testing normative statements.

• A) Only i
• B) i and iii
• C) Only ii
• D) Only iii
• E) i and ii

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Definitions:

Primary Prevention

Actions or strategies aimed at preventing a disease or injury before it occurs.

Television Ad Campaigns

Advertising initiatives executed through TV channels meant to promote products, services, or ideas to a broad audience.

Electroconvulsive Therapy

A psychiatric treatment in which electric currents are passed through the brain, intentionally triggering a brief seizure to treat certain mental disorders.

Psychosurgery

A medical procedure that involves operating on the brain to treat mental illness or abnormal behavior, now rare due to advancements in psychiatric medication and therapies.