This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
In alopecia areata, seen is: 
Select and explain. 
A. Exclamatory mark hair, B. Scaring, C. Fungal infection, D. Traumatic
A: Exclamatory mark hair
Answer: A: Exclamatory mark hair 
Explanation: A i.e. Exclamatory markStumps in alopecia areata form exclamation mark(2 (constriction) just above the skin surface. Exclamation mark hair is pathognomic of alopecia areataQ.