Advanced Patient Assessment Practice Exam

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What is a decrease in tissue oxygenation called?

Acidosis
Hypoxia
Hypoxemia
Hypercapnia

The correct answer is: Hypoxia

A decrease in tissue oxygenation is referred to as hypoxia. This condition occurs when there is insufficient oxygen available to the tissues, impacting their ability to function properly. Hypoxia can result from various factors, including respiratory disorders, circulatory issues, or exposure to high altitudes, leading to symptoms like confusion, shortness of breath, and cyanosis. While hypoxemia is related and refers specifically to low oxygen levels in the blood, hypoxia encompasses the broader definition of inadequate oxygen supply to body tissues. Acidosis involves an increase in acidity in the blood or body tissues and is not directly related to oxygenation status. Hypercapnia, which is characterized by elevated carbon dioxide levels in the blood, also does not specifically indicate tissue oxygen deficiency. Thus, hypoxia is the most accurate term for a decrease in tissue oxygenation.