Question detail
How does the skin contribute to the body's defence against pathogens?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Communicable diseases
Question
- A. By producing hormones
- B. By acting as a physical barrier
- C. By absorbing nutrients
- D. By filtering blood
Answer
The correct option is By acting as a physical barrier because it matches the approved biology in Human defence systems within Communicable diseases.
Explanation
The correct option is By acting as a physical barrier because it stays accurate for Human defence systems in Communicable diseases. It matches the approved learning objective about describe the skin as a non-specific defence system against pathogens and avoids the oversimplified distractors.
Common mistake
Misunderstanding Skin Function
Students often describe the skin only as a physical barrier without mentioning its role in producing antimicrobial substances.
Emphasize that the skin not only acts as a barrier but also produces oils and sweat that contain antimicrobial properties, helping to prevent pathogen entry.
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