Which Muscle Fixes the Clavicle or Elevates the First Rib

question 160

Multiple Choice

Which muscle fixes the clavicle or elevates the first rib?

• A) Levator scapulae
• B) Serratus anterior
• C) Pectoralis minor
• D) Subclavius
• E) Rhomboideus major

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Definitions:

Stroke Volume

The amount of blood pumped by the left ventricle of the heart in one contraction, indicating the heart's efficiency in pumping.

Myocardial Contractility

The ability of the heart muscle (myocardium) to contract or shorten, which is a key factor in the heart's function to pump blood.

Right-Sided Heart Failure

Abnormal condition that results from impaired functioning of the right ventricle; characterized by venous congestion in the systemic circulation.

Peripheral Edema

Swelling in the outer areas of the body, such as the arms or legs, often caused by fluid buildup.