Which Is an Action of the Internal Intercostals

question 6

Multiple Choice

Which is an action of the internal intercostals?

• A)elevation of ribs one through eleven at the sternocostal and costospinal joints
• B)depression of ribs one through eleven 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:

Absolute Refractory

A period immediately following the transmission of a nerve impulse when a neuron cannot be stimulated to transmit another impulse, regardless of the strength of the incoming signal.

Relative Refractory

A phase following the absolute refractory period during which a neuron or muscle cell requires a stronger than normal stimulus to respond.

Period

An interval of geologic time that is a subdivision of an era; each period is divided into epochs.

Humanitarian Concern

Refers to the care, empathy, and actions taken to improve the welfare and happiness of people, especially those in crisis or need.