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: Microbiology
Poststreptococcal acute glomerulonephritis is an example of: 
Select and explain. 
A. Type I hypersensitivity, B. Type II hypersensitivity, C. Type III hypersensitivity, D. Type IV hypersensitivity
C: Type III hypersensitivity
Answer: C: Type III hypersensitivity 
Explanation: Immune-Complex Disease
Formation of circulating immune complexes contributes to the pathogenesis of a number of conditions other than serum sickness. These include the following:

Autoimmune diseases
	
Systemic lupus erythematosus (SLE)
Rheumatoid arthritis


Drug reactions
	
Allergies to penicillin and sulfonamides


Infectious diseases
	
Poststreptococcal glomerulonephritis
Meningitis
Hepatitis
Infectious mononucleosis
Malaria
Trypanosomiasis



Parija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page: 154