The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Window period for thrombolysis in a stroke patient is:   (A) 1.5 hours   (B) 2.5 hours   (C) 3.5 hours   (D) 4.5 hours
['(D) 4.5 hours <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 1.5 hours \n (B) 2.5 hours \n (C) 3.5 hours \n (D) 4.5 hours <> possible answers', '  Window period for thrombolysis in a stroke patient is: <> context@']