This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Staphylococci, Subject name: Microbiology
Which among the following organism is found as a commensal on skin? 
Select and explain. 
A. Staph aureus, B. Strept pyogenes, C. Clostridium, D. Borrelia
A: Staph aureus
Answer: A: Staph aureus 
Explanation: Anss: a) Staph minusEven though skin, vagina, axilla, perineum are colonised by staphylococcus, most frequent site of human colonisation is anterior nares.