The Expected PaO₂ for an 80-Year-Old Man Who Is Otherwise

question 17

Multiple Choice

The expected PaO₂ for an 80-year-old man who is otherwise in good health and breathing room air is approximately what level?

• A) 50 mm Hg
• B) 75 mm Hg
• C) 80 mm Hg
• D) 90 mm Hg

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Definitions:

Temporal Lobes

Portion of the cerebral cortex lying roughly above the ears; includes the auditory areas, each receiving information primarily from the opposite ear.

Motor Cortex

An area at the rear of the frontal lobes that controls voluntary movements.

Association Areas

Regions of the brain that integrate sensory and motor information, involved in higher mental functions such as learning, thinking, and creativity.

Association Areas

Regions of the brain that integrate information from different sensory inputs and are involved in higher mental functions like learning, thinking, and memory.