Question detail
What happens to pathogens that are trapped in the mucus of the nose?
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. They are absorbed into the bloodstream
- B. They are expelled through sneezing or swallowing
- C. They are converted into antibodies
- D. They remain inactive indefinitely
Answer
The correct option is They are expelled through sneezing or swallowing because it matches the approved biology in Human defence systems within Communicable diseases.
Explanation
The correct option is They are expelled through sneezing or swallowing because it stays accurate for Human defence systems in Communicable diseases. It matches the approved learning objective about describe the nose as a non-specific defence system against pathogens and avoids the oversimplified distractors.
Common mistake
Misunderstanding the Nose's Role
Students often describe the nose only as a physical barrier without mentioning its additional functions.
Students should include that the nose also filters air through mucus and cilia, trapping pathogens and particles, which is essential for its role as a non-specific defence system.
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