Question detail
What is a major health effect of carbon monoxide exposure?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Common atmospheric pollutants and their sources
Question
- A. It causes respiratory problems.
- B. It reduces the ability of blood to carry oxygen.
- C. It leads to acid rain.
- D. It contributes to global warming.
Answer
The correct option is It reduces the ability of blood to carry oxygen.. This answer is correct because it matches the approved learning objective to compare the effects of carbon monoxide, particulates, sulfur dioxide and oxides of nitrogen in the subtopic Properties and effects of atmospheric pollutants.
Explanation
The correct option is It reduces the ability of blood to carry oxygen.. It reduces the ability of blood to carry oxygen. is correct because it directly supports the approved learning objective to compare the effects of carbon monoxide, particulates, sulfur dioxide and oxides of nitrogen. This belongs to the subtopic Properties and effects of atmospheric pollutants within Common atmospheric pollutants and their sources, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Properties and effects of atmospheric pollutants.
Common mistake
Confusing Pollutants
Students often confuse the effects of carbon monoxide with those of sulfur dioxide, thinking they have similar health impacts.
Remember that carbon monoxide is toxic because it reduces the blood's ability to carry oxygen, while sulfur dioxide can cause respiratory problems and contribute to acid rain.
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