This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neutrophilic Dermatoses, Subject name: Skin
A 22-year-old women developed small itchy wheals and rash after physical exertion, on sun exposure, on eating spicy food and on anger. Most likely diagnosis is? 
Select and explain. 
A. Chronic idiopathic urtricaria, B. Photodermatitis, C. Solar urtricaria, D. Cholinergic urtricaria
D: Cholinergic urtricaria
Answer: D: Cholinergic urtricaria 
Explanation: Ans. d. Cholinergic urtricariaThe question states that there is urticarial on exposure to sunlight. Both solar and cholinergic urticarias are physical urticarias. Other provocative symptoms like emotions and spicy food points towards Cholinergic Urticaria. Also to differentiate these urticarias, provocation tests are performed.