Nail is involved in all except-: (A) Psoriasis, (B) Lichen planus, (C) Fungal infection, (D) androgenetic alopecia
Answer is D. Androgenetic alopecia means loss of hair and thinning of hair in the fronto-temporal region- male patern hair loss. Nails are affected in Psoriasis, lichen planus, and fungal infection. Ref Harrison20th edition pg 1234