JBL EMT Practice Exam

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Which of the following is a sign that a patient might be experiencing hypoxia?

Cyanosis
Hypertension
Jaundice
Petechiae

The correct answer is: Cyanosis

Cyanosis is a condition in which the skin and mucous membranes appear blue due to inadequate oxygenation of the blood. This is caused by a decrease in the amount of oxygen in the blood, which can be a sign of hypoxia. Options B, C, and D are not indicative of hypoxia. Hypertension is high blood pressure, which may occur in a patient experiencing hypoxia, but it is not a definitive sign. Jaundice is a yellow discoloration of the skin and whites of the eyes caused by a buildup of bilirubin in the blood, which is not directly related to oxygen levels. Petechiae are small red or purple spots on the skin, which can be a sign of bleeding disorders but are not directly related to oxygen levels. Therefore, the best option is A cyanosis.