Increasing the FIO₂ in Patients With $\dot{V}_{A} /\dot {Q} c$

question 9

Multiple Choice

Increasing the FIO₂ in patients with $\dot{V}_{A} /\dot {Q} c$ mismatch will have which of the following effects?

• A) It will not improve PaO₂.
• B) It will cause little improvement in PaO₂.
• C) It will improve PaO₂.
• D) It will decrease PaO₂.

---

Definitions:

Instinct Theory

A view that explains human behavior as motivated by automatic, involuntary, and unlearned responses.

Homeostasis

The ability of a living organism to regulate its internal environment to maintain a stable, constant condition despite external changes.

Drive-Reduction Theory

The idea that a physiological need creates an aroused tension state (a drive) that motivates an organism to satisfy the need.

Maintain Homeostasis

The process by which living organisms regulate their internal environment to stabilize health and functioning, despite external changes.