Question

High carboxyhaemoglobin content indicates that the patient has inhaled excessive

• A. Carbon disulphide
• B. Chloroform
• C. Carbon dioxide
• D. Carbon monoxide.

Answer 1

The correct option is D Carbon monoxide.

D. Carbon monoxide

Solution: Carboxyhaemoglobin is the haemoglobin that contains carbon monoxide instead of oxygen. Carbon monoxide has higher binding affinity to haemoglobin than oxygen. Hence, high carboxyhaemoglobin indicates carbon monoxide poisoning in body.

So the correct answer is "Carbon monoxide".