A 43-Year-Old Woman with Congestive Heart Failure, Rheumatoid Arthritis, and Chronic

question 1599

Multiple Choice

A 43-year-old woman with congestive heart failure, rheumatoid arthritis, and chronic hepatitis C with early liver cirrhosis complains of difficulty breathing.  Her temperature is 37.8 C (100 F) , blood pressure is 126/72 mm Hg, pulse is 97/min, and respirations are 28/min.  Pulse oximetry is 94% on room air.  Physical examination shows dullness to percussion at the right lung base.  Chest x-ray shows moderate-size right pleural effusion and cannot rule out underlying infiltrates.  Thoracentesis shows pleural fluid with glucose of 28 mg/dL and lactate dehydrogenase of 252 U/L.  Which of the following explains the low pleural fluid glucose concentration?

• A)High amylase content of the pleural fluid
• B)High white blood cell content of the pleural fluid
• C)Increased capillary hydrostatic pressure
• D)Increased permeability of the right hemidiaphragm
• E)Increased pleural membrane permeability

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Definitions:

Logic Rung

A part of ladder logic programming, representing a single control instruction executed from left to right and top to bottom.

Value

The data or quantity represented by a variable or expressed by a term, often used in programming and mathematics.

Stored

Refers to information or data that has been saved or archived in a memory device or storage system.

N7:10

A specific address or identifier for a data storage location within a PLC (Programmable Logic Controller) system, often containing integer values.