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Q.

Physiological barriers prevent microbial growth in our human body include all, except

a.   Tears

b.   Skin

c.   Interferons

d.   Saliva

e.   Acid in stomach

f.    Epithelium of urinogenital tract

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a

a, b & f

b

a, d & e

c

c, e & f

d

b, c & f

answer is D.

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Detailed Solution

Physiological barriers include acid in the stomach, saliva in the mouth, tears from eyes.

Skin, mucus secreted by urinogenital tract are physical barriers.

Interferon is a cytokine barrier.

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