34yr electric company worker presents to urgent care clinic

[meenaxi]

34yr electric company worker presents to urgent care clinic with pruritic skin rash on his right arm .he realtes it to recent plant exposure while doing a repair in a wooden area physical e/o reveals linear eruption with vesiculation.which of the following cells would b found earliest in this patient `s skin lesion?

a mast cell

b eosino

c neutro

d macrophage

e T lympho

f plasma cell

[meenaxi]

answer is D ( T lymphocyte) because it is in woods,so contact dermatitis with poison ivy plants . type iv hypersensitivity

but in the choice if in case langerhans or dendritic cell is given shld we pick tht.?

(jus to extend the discussion),because it will b the ag presenting cell .