A Patient Whose FVC Is 4 L Performs Two DLCOsb

question 17

Multiple Choice

A patient whose FVC is 4 L performs two DLCOsb maneuvers with the following results: The pulmonary function technologist should:

• A) Reject Trial 1 because of the V_I.
• B) Reject Trial 2 because of the breath-hold time.
• C) Report the DLCOsb as 22.0 ml CO/min/mm Hg.
• D) Report the DLCOsb as 21.2 ml CO/min/mm Hg.

---

Definitions:

Evolutionary Perspective

An approach in psychology that explains human behavior and mental processes through the lens of adaptation and survival, influenced by the principles of natural selection.

Reproductive Advantages

Benefits in the context of natural selection that increase an organism's chances of reproducing and passing on genes to the next generation.

Psychological Traits

Enduring characteristics or behaviors that are consistent over time and across situations, and help define an individual's personality.

Neuroscience Perspective

An approach in psychology and cognitive science that studies the brain and nervous system to understand behavior and cognitive functions.