Which of the following barriers are included | vedclass

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(D) Innate immunity is non-specific type of defense that is present at the time of birth. It consists of four types of barriers:$1$. Physical barriers

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) Innate immunity is non-specific type of defense that is present at the time of birth. It consists of four types of barriers:$1$. Physical barriers: Skin and mucus coating of the respiratory,gastrointestinal,and urogenital tracts.$2$. Physiological barriers: Acid in the stomach,saliva in the mouth,and tears from eyes.$3$. Cellular barriers: Polymorpho-nuclear leukocytes ($PMNL$-neutrophils),monocytes,and natural killer cells.$4$. Cytokine barriers: Virus-infected cells secrete proteins called interferons which protect non-infected cells from further viral infection.Since all three options mentioned are part of innate immunity,the correct answer is $D$.

Which of the following barriers are included in innate immunity?

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