Question detail
Describe how the stomach acts as a non-specific defence system against pathogens.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Communicable diseases
Question
Describe how the stomach acts as a non-specific defence system against pathogens.
Answer
The stomach acts as a non-specific defence system by producing hydrochloric acid, which creates a highly acidic environment. This acidity helps to kill many pathogens that are ingested with food and drink, preventing them from entering the body and causing infection.
Explanation
This answer is strong because it clearly identifies the mechanism (hydrochloric acid production) and its effect (killing pathogens). The question tests the student's understanding of the stomach's role in the human defence system against pathogens.
Common mistake
Misunderstanding Stomach Function
Students often think the stomach only digests food and do not recognize its role in defending against pathogens.
Emphasize that the stomach produces hydrochloric acid, which kills many pathogens that enter the body with food.
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