The Physician Orders an Antistreptolysin O (ASO) Titer Test to Check

Multiple Choice

The physician orders an antistreptolysin O (ASO) titer test to check for rheumatic fever. A patient serum sample is exposed to known suspensions of streptolysin and then allowed to incubate with RBCs? If the patient does have rheumatic fever, what will happen?

A) Not enough information is provided to speculate.
B) The red blood cells will lyse.
C) The red blood cells will agglutinate only.
D) The red blood cells will not lyse.
E) None of the above.
F) The red blood cells will fluoresce.