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: Microbiology
Which of the following organisms is implicated in the causation of botryomycosis : 
Select and explain. 
A. Staphylococcus aureus, B. Staphylococcus albus, C. Pseudomonas aeruginosa, D. Streptococcus pneumonia
A: Staphylococcus aureus
Answer: A: Staphylococcus aureus 
Explanation: Botyromycosis is a chronic granulomatous condition similar to mycetoma, usually involves the skin and characterized by granules in the pus, consisting of masses of bacteria generally staphylococcus aureus.