Which of the following is caused by C1 inhibitor deficiency?
Correct Answer: Hereditary angioneurotic edema
Description: C1 esterase inhibitor is the main regulator of the activation steps of the classical complement pathway, and its genetic deficiency results in unregulated activity of vasoactive mediators and is the cause of hereditary angioedema (HAE). Suspect the diagnosis in patients with a history of recurrent peripheral angioedema and abdominal pain. C3 deficiency is associated with severe recurrent pyogenic infection. Deficiency of C1 to C4 is associated with SLE. Ref: Textbook of microbiology by Ananthanarayanan edition 6, page 108
Category:
Microbiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now