This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Which of Immunoglobulins is associated with allergic disorders? 
Select and explain. 
A. IgG, B. IgM, C. IgA, D. IgE
D: IgE
Answer: D: IgE 
Explanation: IgE also has an essential role in type I hypersensitivity, which manifests various allergic diseases, such as allergic asthma, most types of sinusitis, allergic rhinitis, food allergies, and specific types of chronic uicaria and atopic dermatitis. Ref: Ananthanarayan & Parkers textbook of microbiology 9th edition pg:98