Type I hypersensitivity is mediated by which of the following immunoglobulins ?
Correct answer: D. IgE
- A. IgA
- B. IgG
- C. IgM
- D. IgE
Explanation
Type I hypersensitivity is driven by allergen-specific IgE, which binds mast cells and basophils and triggers mediator release on re-exposure. IgG and IgM are more characteristic of antibody-mediated Type II reactions.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Immunology
90 free Immunology MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Microbiology questions like this
Microbiology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Immunology questions
A woman with infertility receives an ovary transplant from her sister who is an identical Twin. What type of graft it is ?
The prototype of Type II hypersensitivity reaction is__________________?
The killer cells are associated with immunologic response___________________?
Active artificial immunization is induced by the administration of all of the following EXCEPT______________?
The protective effects breast milk are known to be associated with______________?
IL-1 and TNF a during inflammation are secreted by______________?