Your Patient Has a P(A-A)O₂ of 200 Mm Hg While

question 56

Multiple Choice

Your patient has a P(A-a) O₂ of 200 mm Hg while breathing 100% O₂. What is the estimated percentage shunt?

• A) 5%
• B) 10%
• C) 20%
• D) 30%

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Definitions:

Acute Care Setting

A branch of secondary health care where a patient receives active but short-term treatment for a severe injury or episode of illness, an urgent medical condition, or during recovery from surgery.

Clean Technique

A method used to prevent contamination and reduce the spread of pathogens, mainly through thorough handwashing and the use of sterile gloves.

Nasogastric (NG) Tube

A tube inserted through the nose into the stomach for feeding or medication administration.

Gastric Residual

The volume of content remaining in the stomach after digestion, which can be measured to assess gastric emptying rate and feeding tolerance.