The Mixing of Atmospheric Air Within the Dead Space of the Conducting

question 84

Multiple Choice

The mixing of atmospheric air within the dead space of the conducting zone of the lung upon inspiration results in a partial pressure of

• A)nitrogen in the alveoli that is higher than atmospheric.
• B)oxygen in the alveoli that is higher than atmospheric.
• C)oxygen in the alveoli that is lower than atmospheric.
• D)carbon dioxide in the alveoli that is lower than atmospheric.
• E)water vapor in the alveoli that is lower than atmospheric.

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Definitions:

Abbreviation

A slimmed-down version of a word or phrase.

Adducts

Muscles that move a limb or other body part toward the midline of the body.

Rotates

The action of moving around an axis or center point, typically described in the context of physical objects or movements in space.

Contraction

A shortening and tightening of a muscle or muscle group, which may occur as a natural part of physical activity or as a result of certain medical conditions.