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: Dental
The lactoperoxidase thiocynate system present in saliva is against 
Select and explain. 
A. A. actinomycetemcomitans, B. Streptococcus, C. P. gingivalis, D. Actinomyces
B: Streptococcus
Answer: B: Streptococcus 
Explanation: None