Which Carboxyhemoglobin (COHb) Level Correlates with the Clinical Symptoms of Confusion

question 2

Multiple Choice

Which carboxyhemoglobin (COHb) level correlates with the clinical symptoms of confusion, lethargy, and ST-segment depression on the electrocardiogram?

• A)Less than 10%
• B)20% COHb
• C)30% COHb
• D)40% to 60% COHb

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