What Is the Earliest Sign of a Left-Sided Pleural Effusion

question 4

Multiple Choice

What is the earliest sign of a left-sided pleural effusion on an upright chest radiograph?

• A)an increased distance between the inferior margin of the left lung and the stomach gas bubble
• B)inability to see small pulmonary blood vessels over the left lower lung
• C)a widened mediastinum
• D)elevation of the right hemidiaphragm

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Definitions:

Predetermined Overhead Rate

A rate used to allocate estimated manufacturing overhead costs to individual units of production, based on a particular activity base.

Direct Labor-Hours

The totality of hours devoted by workers directly engaged in the fabrication of products.

Manufacturing Overhead

All indirect costs associated with the manufacturing process, including utilities, rent, and salaries for non-direct labor, that are not directly traceable to specific units produced.

Overapplied Manufacturing Overhead

A scenario in which the allocated manufacturing overhead costs exceed the actual overhead costs incurred.