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
[{'content': 'H.parainfluenzae requires factor: \nSelect and explain. \nA. V, B. VI, C. VII, D. X', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: (A) V Factor V &X are accessory growth factors which is present in blood- (Ananthanarayan 9th/327)speciesGrowth requirementHemolysis on horse blood agar X V CO2 H influenzae + + - - H aegyptius + + - - H ducreyi + VARIABLE VARIABLE H. parainfluenzae - + - - H. haemolyticus + + - + H. parahaemolyticus - + - + h aphrophilus + - + - H paraphrophilus - + + -', 'role': 'assistant'}]