This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Staph, epidermis has become important due to 
Select and explain. 
A. Biofilm formation, B. Virulence, C. Wide spectrum antibiotics, D. Novobiocin resistance
A: Biofilm formation
Answer: A: Biofilm formation 
Explanation: * S. epidermis is a pathogenic organism which affects interventions like catheter, canula.* It is an organism which can form biofilm.* It is novobiocin sensitive.