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: Pharmacology
which of th efollowing tyrosine kinase inhibitor is used in carcinoma of lung ? 
Select and explain. 
A. afatinib, B. ceritinib, C. erlotinib, D. all of the above
D: all of the above
Answer: D: all of the above 
Explanation: tyrosine kinase inhibitors : stop the cell division of cancer cells . as tyrosine kinase is a insulin growth factor that promotes the cellular divison drugs used in lung carcinoma : afatinib erlotinib ceritinib gefitinib ref : kd tripati 8th ed