Multiple choice general knowledge

This gas is produced mainly by automobiles. It hiders the body's ability to carry oxygen in the blood, causing serious problems for people with cardiovascular diseases.

  1. Carbon monoxide

  2. Carbon oxide

  3. Carbon dioxide

  4. Acid sulfates

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon monoxide (CO) is produced by incomplete combustion in automobile engines. CO binds to hemoglobin in red blood cells about 200 times more strongly than oxygen, preventing oxygen transport and causing hypoxia, which is especially dangerous for people with heart or lung conditions.