The Vertebral Column ________

question 50

Multiple Choice

The vertebral column ________.

• A) provides a passageway for cranial nerves that begin or end at the spinal cord
• B) consists of 26 vertebrae, the sacrum, and the coccyx
• C) helps maintain the curved position of the body while sitting or standing
• D) provides a column of support, bearing the weight of the hips and lower limbs
• E) is divided into the cervical, thoracic, lumbar, sacral, and coccygeal regions

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Definitions:

Spirometer

An instrument used to measure the volume of air inhaled and exhaled by the lungs.

Residual Volume

the amount of air remaining in the lungs after a forced exhalation, ensuring that gas exchange continues even between breaths.

Boyle's Law

A gas law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.

Respiratory Membrane

The respiratory membrane is the barrier through which gas exchange occurs between the air in the lungs and the blood in the capillaries.