This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
Pleural fluid having low glucose is seen in all except 
Select and explain. 
A. Tuberculosis, B. Emphysema, C. Rheumatoid ahritis, D. Mesothelioma
A: Tuberculosis
Answer: A: Tuberculosis 
Explanation: Ref Harrison 19 th ed/pg 1717 Figure 316-1 Glucose < 60 mg/dL Consider: Malignancy Bacterial infections Rheumatoid pleuritis . In tubercular effusion , pleural fluid glucose level is usually normal / mildly reduced.