What Accounts for the Change in PO₂ Between the Atmosphere

question 49

Multiple Choice

What accounts for the change in PO₂ between the atmosphere and alveoli?
I.Water vapor pressure in alveolar gas
II.PCO₂ is higher in alveolus than in the atmospheric gas
III.Higher percentage of N₂ in alveolar gas
IV.PB is lower in the alveoli than in the atmosphere

• A) I and II only
• B) I, II, III, and IV
• C) I and IVonly
• D) I, II and IV only

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Definitions:

Triadic Reciprocality Model

A concept in psychology, also known as reciprocal determinism, which posits that human behavior is influenced by personal factors, behavior, and the environment, all of which interact with each other.

Includes

Generally means to contain as a part of something. In various contexts, it can refer to the incorporation of elements or features within a larger system or set.

Indirect Methods

Techniques or approaches that assess or influence subjects without direct interaction, often used in research or assessment.

Intrusive

Referring to actions or things that are invasive or forcefully inserted into a situation or space without welcome.