Which barrier of innate immunity first come in contact with pathogen ?A Skin and mucous membrane B Fever C Interferon D Phagocytes
Question
Which barrier of innate immunity first come in contact with pathogen ?A Skin and mucous membrane B Fever C Interferon D Phagocytes
Solution 1
The first barrier of innate immunity that comes in contact with a pathogen is A - Skin and mucous membrane.
Solution 2
The first barrier of innate immunity that comes in contact with a pathogen is A: Skin and mucous membranes.
Here's the step by step explanation:
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The innate immune system is the body's first line of defense against pathogens (like bacteria, viruses, fungi, and parasites). It consists of various barriers and cells that work together to prevent pathogens from entering the body and causing infection.
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The skin and mucous membranes are the very first barriers that a pathogen encounters. The skin acts as a physical barrier, preventing pathogens from entering the body. The mucous membranes, which line various parts of the body such as the nose, mouth, and lungs, trap pathogens and also contain cells that can destroy them.
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If a pathogen manages to bypass these physical barriers, it then encounters other components of the innate immune system, such as fever, interferons, and phagocytes.
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Fever is a response to infection that makes the body's environment less favorable for pathogens. Interferons are proteins that inhibit viral replication. Phagocytes are cells that engulf and destroy pathogens.
So, in the order of contact, the skin and mucous membranes are the first to come in contact with a pathogen.
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