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Many microbial pathogens enter the gut o...

Many microbial pathogens enter the gut of humans along with food.What are the preventive barriers to protect the body from such pathogens?What type of immunity do you observe in this case?

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The mucus coating of the epithelium lining of the gut helps in trapping microbes entering the body.Saliva in the mouth and hydrochloric acid in gastric juice secreted by stomach prevent microbial growth.This type of immunity is innate immunity.
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OSWAAL PUBLICATION-HUMAN HEALTH AND DISEASES-TOPIC-1(Short answer type questions-I)
  1. What is non-specific body defence?Name any two surface barriers.

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  2. Differentiate innate and acquired immuity.

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  3. differentiate between active immuntiy and passive immuntiy.

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  4. Name the primary and secondary lymphoid organs.

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  5. What would happen to immune system ,if thymus gland is removed from th...

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  6. Many microbial pathogens enter the gut of humans along with food.What ...

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  7. What are interferons?How do interferons check infection of new cells?

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  8. Write the role of macrophages in providing immunity to humans.

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  9. Name the causative organism and symptoms of common cold?

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  10. Define disease and mention its types.

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  11. What is the role of histamine in inflammatory response?Name few drugs ...

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  12. Define auto-immune diseases.Give two examples.

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  13. Name and explain the type of barrier of innate immunity system,which i...

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  14. A boy of ten years had chicken-pox.He is not expected to have the same...

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  15. What is it that prevents a child to suffer from a disease he/she is va...

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  16. Define the term health.Mention any two ways of maintaining it.

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  17. Why does a doctor administer tetanus antitoxin and not a tetanus vacci...

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  18. Describe the role of lymph nodes in providing immunity.

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  19. Why is an antibody represented as H(2)L(2)?

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  20. Expand AMIS and CMIS?

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