This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Anatomy
Green nail syndrome is caused by 
Select and explain. 
A. Psedomonas aeruginosa, B. Pleisomonas, C. Aeromonas, D. Burkholderia
A: Psedomonas aeruginosa
Answer: A: Psedomonas aeruginosa 
Explanation: It is a paronychia ( inflammation of the tisseues adjacent to the nail with green pus formation) . It results from prolonged submersion of the hands in water.