Question detail
How does carbon monoxide affect human health?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Common atmospheric pollutants and their sources
Question
How does carbon monoxide affect human health?
Answer
Carbon monoxide is toxic because it binds to hemoglobin in red blood cells more effectively than oxygen, reducing the blood's ability to carry oxygen to vital organs and tissues, which can lead to symptoms like headaches, dizziness, and even death in high concentrations.
Explanation
A strong answer should directly address the approved learning objective to describe how atmospheric pollutants can affect human health. This question belongs to Properties and effects of atmospheric pollutants within Common atmospheric pollutants and their sources, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to atmospheric, and keeps the wording specific to AQA GCSE revision.
Common mistake
Misunderstanding Health Effects
Students often confuse the general effects of pollutants with specific health impacts, failing to link particular pollutants to their health consequences.
Focus on studying how each pollutant specifically affects human health, such as carbon monoxide reducing oxygen transport in blood or particulates causing respiratory issues.
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