A Comparison of Functional Residual Capacity Measured by Body Plethysmography

question 52

Multiple Choice

A comparison of functional residual capacity measured by body plethysmography with that measured by nitrogen washout reveals that the measurement obtained during the nitrogen washout test is less than that during body plethysmography.This discrepancy is most likely caused by which of the following?

• A) Poor technique
• B) Severe air-trapping
• C) Restrictive lung disease
• D) Directional valve malfunction

---

Definitions:

Cash Flow

The total amount of money being transferred into and out of a business, especially affecting liquidity and overall financial health.

Investing Activities

Transactions and events related to the acquisition and disposal of long-term assets and other investments not considered as cash equivalents.

Consolidated Statement

Financial statements that aggregate the financial information of a parent company and its subsidiaries into one document.

Acquisition

The process of obtaining control of another company or business entity through purchase or merger.