Which barrier of innate immunity is represent | vedclass

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(B) Innate immunity consists of four types of barriers: $1$. Physical barriers: Skin and mucus coating of the respiratory,gastrointestinal,and urogeni

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Physiological barrier

Vedclass · Answer

(B) Innate immunity 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 the eyes prevent microbial growth. $3$. Cellular barriers: Polymorphonuclear 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. Therefore,saliva and tears are examples of physiological barriers.

Column-$I$	Column-$II$
$A$. Physiological barrier	$1$. Skin
$B$. Cellular barrier	$2$. Macrophages
$C$. Physical barriers	$3$. Interferons
$D$. Cytokine barriers	$4$. Tears
	$5$. Mucus

Which barrier of innate immunity is represented by saliva in the mouth and tears in the eyes?

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Select the correct pair:

Column-$I$ Column-$II$

$A$. Physiological barrier $1$. Skin

$B$. Cellular barrier $2$. Macrophages

$C$. Physical barriers $3$. Interferons

$D$. Cytokine barriers $4$. Tears

$5$. Mucus

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