Researchers Are Studying Pulmonary Gas Exchange in Various Physiological and Pathological

question 62

Multiple Choice

Researchers are studying pulmonary gas exchange in various physiological and pathological states using animal models.  In one experiment, the partial pressure of oxygen (PO₂) in the upper airways is determined to be 150 mm Hg while breathing ambient air at rest.  Analysis of the respiratory gases in a particular lung segment reveals the following: Which of the following best explains these respiratory gas findings?

• A)Bronchopulmonary shunting
• B)Diffusion impairment
• C)Normal alveolar ventilation and perfusion
• D)Intrapulmonary shunting
• E)Poor alveolar ventilation

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Definitions:

Shepard And Metzler

Pioneers of mental rotation studies, demonstrating how people can mentally manipulate 3D objects.

Object's Identity

pertains to the unique characteristics and properties that distinguish one object from another, allowing individuals to recognize and differentiate objects.

Tacit Knowledge

People’s underlying and implicit beliefs about a task or an event.

Explicit Knowledge

Knowledge that can be articulated, codified, and communicated; it includes facts, information, and skills that a person can convey in a systematic and formal manner.