The following are multiple choice questions (with answers) about medical knowledge.   **Question:** True about Postural Hypotension:   (A) Decreases in systolic blood pressure 20 mmHg within 6 mins   (B) Decreases in systolic blood pressure 20 mmHg within 3 mins   (C) Decreases in diastolic blood pressure 20 mmHg within 6 mins   (D) Decreases in diastolic blood pressure 20 mmHg within 3 mins
['(B) Decreases in systolic blood pressure 20 mmHg within 3 mins <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Decreases in systolic blood pressure 20 mmHg within 6 mins \n (B) Decreases in systolic blood pressure 20 mmHg within 3 mins \n (C) Decreases in diastolic blood pressure 20 mmHg within 6 mins \n (D) Decreases in diastolic blood pressure 20 mmHg within 3 mins <> possible answers', '  True about Postural Hypotension: <> context@']