This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Medicine
[{'content': 'What is the lower limit of normal hemoglobin concentration for the male between 15-17 years of age - \nSelect and explain. \nA. 12 gm%, B. 13 gm%, C. 14gm%, D. 15gm%', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 13 gm% Normal Mean and lower limits of normal for hemoglobin, hematocrit, and Mean corpuscular volume Hemoglobin (g/dL)Hematocrit (%)Mean corpuscular volume (mm3)Age (Yr)MeanLower LimitMeanLower LimintMeanLower Limit0.5-1.912.511.0373377702-412.511.0383479735-713.011.5395581758-1113.512.04036837612-14 Female13.512.041368578Male14.012.54337847715-17 Female14.012.041368779Male15.013.04638867818-49 Female14.012.042379080Male16.014.047409080", 'role': 'assistant'}]