Question: What is the best method to obtain an accurate blood pressure measurement for diagnosing hypertension, avoiding the 'white coat effect'? Looking for Online Tutoring? Question options: a) Asking her to take her own blood pressure just before sleep while sitting on the bed. b) Using ambulatory blood pressure monitors to measure it at regular intervals during her everyday activities. c) Her BP was taken lying, sitting and standing, these measurements should be reliable for the diagnosis of hypertension. d) Admitting her to a clinic or hospital to measure her BP repeatedly in a controlled environment.