allery**Innate immunity** is best described as:
AAcquired after exposure to a pathogen
BNon-specific, present from birth, including physical/chemical/cellular barriers
COnly against viruses
DInherited only from mother
Answer & Solution
Correct answer: B. Non-specific, present from birth, including physical/chemical/cellular barriers
**Innate (natural) immunity:** present from birth, non-specific.
Includes physical barriers (skin, mucous), chemical (gastric acid, lysozyme), cellular (phagocytes, NK cells), and cytokines. First line of defence.
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