Which Muscle Is Correctly Matched to Its Origin and Insertion

question 4

Multiple Choice

Which muscle is correctly matched to its origin and insertion?

• A) pectineus; originates on the crest of the ilium and inserts into the fascia lata
• B) sartorius; originates on the ischium and pubic symphysis and inserts on the medial surface of the tibia
• C) gracilis; originates on the ischial tuberosity and inserts on the tibia
• D) gluteus medius; originates on the ilium and the transverse processes of the last sacral and first caudal vertebrae and inserts on the femur

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Definitions:

Thoracic Wall

The part of the anatomy that forms a protective boundary around the thoracic cavity, which contains the lungs and heart; comprises the rib cage, spine, and sternum.

Diaphragm

A muscular and membranous partition separating the abdominal and thoracic cavities and plays a major role in breathing.

Dead Space

Areas in the respiratory system that do not participate in gas exchange, including the nasal cavities, trachea, and bronchi.

Lung Compliance

Lung compliance refers to the ease with which the lungs can be expanded, determined by the elastic resistance of the lung tissue and chest wall to stretching during inhalation.