Difficulty: Medium
Average Score: 79%
Simulated
While working in the Emergency department a Rapid response nurse is evaluating a patient in acute respiratory failure after a motor vehicle crash. Which of the following areas should the nurse evaluate as the most reliable indicator of central cyanosis?
Correct answer
B
Rationale
The oral mucosa is the most reliable indicator of central cyanosis because it reflects the oxygenation status of the central circulatory system. Cyanosis in this area indicates a significant drop in arterial oxygen saturation and is a more direct indicator of hypoxemia compared to peripheral sites.