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

question 83

Multiple Choice

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

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

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Definitions:

Localized

Restricted to a specific area or region; not widespread or generalized.

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A treatment that uses certain parts of a person’s immune system to fight diseases such as cancer.

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A type of tumor that originates in astrocytes, star-shaped glial cells in the brain and spinal cord, varying widely in malignancy.

Neuroglial Cells

Cells in the nervous system that perform supportive and protective roles for neurons, rather than conducting nerve impulses.