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: Medicine
[{'content': 'Multidrug Resistance Tuberculosis (MDR-TB) should be considered in patients with: \nSelect and explain. \nA. Contact with a known case of MDR TB, B. Clinical Deterioration, C. Sputum smear positive at 5 months of treatment, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is D (All of the above): 'Infection Control In The community' by Lawrence & May (2003) All of the options require consideration for a diagnosis of MDR - TB. Mult Drug Resistant Tuberculosis (MDR TB) MDR-TB is defined by the presence of resistance to both Rifampicin and Isoniazid with or without other resistance MDR TB should be considered in patients with: Previous drug treatment for tuberculosis Contact with a case of known MDR TB HIV infection Failure of clinical response on treatment Prolonged sputum smear or culture positive while on treatment (smear positivity at 4 months or culture positivity at 5 months)", 'role': 'assistant'}]