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: Dental
A 22 year old woman developed small itchy wheals after physical exertion, walking in the sun, eating hot spicy food and when she was angry. The most likely diagnosis is – 
Select and explain. 
A. Chronic idiopathic utricaria, B. Heat urticaria, C. Solar urticaria, D. Cholinergic urticaria
D: Cholinergic urticaria
Answer: D: Cholinergic urticaria 
Explanation: Similar to previous question this women developed urticaria (itchy wheal) after :-


Walking in the sun → generalized heating
Eating hot spicy food
Physical exertion
When she was angry → emotional stress


Diagnosis is cholinergic urticaria