Which Is an Action of the External Intercostals

question 57

Multiple Choice

Which is an action of the external intercostals?

• A)elevation of ribs two through twelve at the sternocostal and costospinal joints
• B)depression of ribs two through twelve at the sternocostal and costospinal joints
• C)depression of the clavicle at the sternoclavicular joint
• D)elevation of the clavicle at the sternoclavicular joint

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Definitions:

Optimal Choices

Optimal choices refer to decision-making that maximizes utility or benefit within given constraints, finding the best possible outcome from a set of alternatives.

Scarcity

The basic economic issue arises from the reality of endless human desires facing the constraint of finite resources.

Normative

Pertaining to or expressing judgments based on values, standards, or ideals, often concerning what is right or wrong, or what ought to be.

Positive

Refers to statements or assertions that are objective and based on factual evidence, often used in the context of affirming information in sciences and economics.