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: Radiology
TC-99 RBC are used for 
Select and explain. 
A. Myocardial function, B. Spleen diseases, C. Liver and biliary function, D. Lung Ventilation
B: Spleen diseases
Answer: B: Spleen diseases 
Explanation: Tc-99 RBC - Spleen diseases
Xenon gas - Lung Ventillation
Tc - 9 glycoheptone - Liver and biliary function