This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'The Hb level in healthy women has to mean 13.5 g/dl and standard detion 1.5 g/dl, what is the Z score for a woman with Hb level 16.5 g/dl \nSelect and explain. \nA. 9, B. 10, C. 2, D. 1', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Z = Individual value - mean SD 16.5 - 13.5 = 2 1.5', 'role': 'assistant'}]