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: Unknown
[{'content': 'In a prospective study, 1200 patients were randomly selected to study the effect of a new drug. The drug will be given for 5 years and its association with cataract will be studied. What tyepe of study is this? \nSelect and explain. \nA. Case control study, B. Cohort study, C. Randomized clinical trial, D. Cross-sectional study', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (Refer: K. Park’s Textbook of Preventive and Social medicine, 24th edition, pg no: 74, 76, 87)\nTHE INFORMATION IN THE QUESTION IS INSUFFICIENT TO CONCLUDE\n\nIt may be a Quasi randomized trial or it can be just clinical trial where the patient may serve as his control\nSince association is determined, hence it can be indirectly understood as there are 2 groups\nThere is an intervention in the study – so it is not a case control or cohort study or cross sectional study\nThere is no mention of randomization of intervention in the groups which is the heart of RCT', 'role': 'assistant'}]