A Subject Has a DLCOsb of 10

question 14

Multiple Choice

A subject has a DLCOsb of 10.2 ml CO/min/mm Hg (STPD) ,which is 51% of her predicted value.Her D_L/V_A ratio is 4.1.Which of the following diagnoses is most consistent with these values?

• A) Pulmonary emphysema
• B) Pulmonary resection
• C) Cystic fibrosis
• D) COHb of 5.5%

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Definitions:

Homeostasis

The capacity or inclination of a cell or organism to keep a stable internal balance by modifying its physiological activities.

Sleeping Difficulties

Refers to problems with falling or staying asleep, affecting overall sleep quality and duration.

Pons

A part of the brain located in the brainstem, involved in regulating breathing, communication between different parts of the brain, and relaying messages to the cerebellum.

Hippocampus

A major component of the brain, located in the medial temporal lobe, involved in memory formation, navigation, and the emotional response.