This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology Pa 1 (Gram Positive Cocci, Gram Negative Cocci), Subject name: Microbiology
Which of the following enzymes are used for liquefaction of thick exudates as in empyema? 
Select and explain. 
A. Streptokinase & NADase, B. Streptokinase & Streptodornase, C. NADase & Hyaluronidase, D. Streptokinase and N acetyl glucosaminidase
B: Streptokinase & Streptodornase
Answer: B: Streptokinase & Streptodornase 
Explanation: Streptokinase & streptodornase are used for liquefaction of thick exudates as in empyema Enzymes are derived from streptococcus