This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycobacteria, Subject name: Microbiology
Method of testing resistance to drugs in TB are all EXPECT: 
Select and explain. 
A. Radiometric broth method, B. Molecular method, C. Disk diffusion method, D. PCR
C: Disk diffusion method
Answer: C: Disk diffusion method 
Explanation: ANSWER: (C) Disk diffusion methodREF: Jawetz's, Melnick, 8i Adelbergs Medical Microbiology, 24 " edition chapter 24. Mycobacteria, Textbook of microbiology Anantnarayan 6th edition page 331Antitubercular Susceptibility Tests:Antitubercular drug susceptibility methods used are:Resistance ratio methodProportion methodAbsolute concentration methodMolecular methodRadiometric broth methodHigh pressure liquid chromatographyPCR