This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral cavity & Oesophagus, Subject name: ENT
A membrane in throat is caused by all except 
Select and explain. 
A. Streptococcus, B. Corynebacterium diptheriae, C. Staphylococcus aureus, D. Borrelia vincenti
C: Staphylococcus aureus
Answer: C: Staphylococcus aureus 
Explanation: Differential diagnosis of membrane over tonsil Agranulocytosis Leukemia Neutropenia Infectious mononucleosis Pyogenic bacteria Candida Vincent's angina Diptheria Ref: Dhingra 7e pg 293.