7. A systolic blood pressure greater than 140 and/or a diastolic blood pressure greater than 90 are classified as high blood pressure or hypertension. O True O False O No answer text provided. O No answer text provided.
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A health study reported that in one country, systolic blood pressure readings have a mean of 118 and a standard deviation of 16. A reading above 140 is considered to be high blood pressure. Complete parts a through d below. a. What is the z-score for a blood pressure reading of 140? z = (Round to two decimal places as needed.) b. If systolic blood pressure in that country has a normal distribution, what proportion of the population suffers from high blood pressure? The proportion with high blood pressure is (Round to four decimal places as needed.) c. What proportion of the population has systolic blood pressure in the range from 104 to 140? The proportion with systolic blood pressure between 104 and 140 is (Round to four decimal places as needed.) d. Find the 90th percentile of blood pressure readings. The 90th percentile of blood pressure readings is (Round to the nearest whole number as needed.)
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5. The difference between systolic and diastolic pressures gets smaller along the vessels so that in small arterioles and capillaries there is just one blood pressure (True/False). 6. It is essential to realize that there is no static 'normal' value for systemic arterial blood pressure. (True/False) 7. Blood pressure is at its highest immediately after the ventricle contracts. This is called the systolic pressure. 8. Examination of the carotid pulse is generally directed toward assessing the strength and regularity.
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