Question

Acute glomerulonephritis, a streptococcal infection is associated with

• A. M type antigen
• B. A type antigen
• C. S type antigen
• D. R type antigen

Answer 1

The correct option is A M type antigen

Acute glomerulonepheiritis is defined as the inflammation and subsequent damage of the glomeruli and it is caused by the Streptococcus.The M type of protein present on the bacterial cell wall are responsible for this infection. These M type protein that are present on the wall are antiphagocytic in function.Bacterial pathogen causing this disease has M type antigen present on their cell wall.Though they are antiphagocytic they can be fought off by lymphocytes present in the blood plasma So, the correct answer is 'M type antigen'