Diagnostic Thoracentesis Can Be Used To

question 10

Multiple Choice

Diagnostic thoracentesis can be used to:

• A) withdraw a secretion sample from the lung for a sputum smear.
• B) withdraw a secretion sample from the lung for a Gram stain.
• C) determine the etiology of a pleural effusion.
• D) remove air from the pleural space.

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Definitions:

Variance

A measure of the dispersion or spread of a set of data points around their mean value.

Direct Materials Quantity Variance

The difference between the actual quantity of direct materials used in production and the standard quantity expected to be used.

Standard Labor Hours

The predetermined amount of time expected to be required to complete a task or produce a unit of goods under normal conditions.

Direct Materials Price Variance

The difference between the actual cost of materials used in production and the expected (standard) cost, indicating how effectively a company controls its raw material expenses.