Wrong statement is –: (A) Mees line in arsenic poisoning, (B) Pterygium of nails in Lichen planus, (C) Onycholysis in Psoriasis, (D) Koilonychia in Megaloblastic Anemia (B12 def)
Answer is D. Koilonychia is seen in iron deficiency anemia (not in megaloblastic anemia).
Mees line is seen in Arsenic poisoning.
Pterygium is diagnostic for lichen planus.
Psoriasis can cause onycholysis