This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Microbiology
Hospital-acquired organisms are all except 
Select and explain. 
A. Staphylococcus, B. Acinetobacter, C. Streptococcus, D. Pseudomonas
B: Acinetobacter
Answer: B: Acinetobacter 
Explanation: Acinetobacters are oppounistic pathogens and are frequently present on normal skin. They are the cause of hospital-associated infections but are not hospital acquired. Ref: Ananthanarayan& Paniker&;s textbook of microbiology, 9th edition. Pg no.398