Video Normal No Spacing Heading 1 Heading 2 Pane 12. Drugs that can be used to treat high blood pressure are available by prescription. When might it be necessary to prescribe a drug versus a "diet" for a person who has high blood pressure? 13. What do you think is the most important thing researchers learned from this study?
Video Normal No Spacing Heading 1 Heading 2 Pane 12. Drugs that can be used to treat high blood pressure are available by prescription. When might it be necessary to prescribe a drug versus a "diet" for a person who has high blood pressure? 13. What do you think is the most important thing researchers learned from this study?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Answers to questions 12 and 13

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12. Drugs that can be used to treat high blood pressure are available by prescription.
When might it be necessary to prescribe a drug versus a "diet" for a person who has
high blood pressure?
13. What do you think is the most important thing researchers learned from this study?
14. What might be a complicating factor in designing and implementing a study of this
nature?

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Use the following graph to answer questions 4-14:
I Control diet
A Fruits-and-vegetables diet
• Combination diet
Helpful information about the graph:
132
Control diet = Diet typical of most
Americans.
Fruits-and-vegetables diet = More fruits
and vegetables, fewer snacks and treats,
but otherwise similar to the control diet.
Combination diet = Diet rich in fruits and
vegetables, but low in saturated fat, total
fat, and cholesterol.
The sodium content of all diets was similar.
Baseline = All subjects had been on the
control diet for three weeks at this point
and then were randomly assigned to an
intervention.
130
128
126
124
Systolic blood pressure = The highest blood
pressure attained in arteries when the
heart is contracting; a normal systolic
pressure is about 110 mm Hg.
Diastolic blood pressure = The lowest blood
pressure attained in arteries when the
heart is relaxing; a normal diastolic
pressure is about 70 mm Hg.
This study involved adults with systolic
blood pressures of less than 160 mm Hg
and diastolic pressures of 80 to 95 mm
Hg.
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84
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Base-
line
1
Intervention week
Diastolic blood pressure (mmHg)
Systolic blood pressure (mmHg)
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Expert Solution

Step 1
Blood pressure can be defined as the lateral pressure extended by the flowing blood on the walls of the blood vessels (specially the arteries).
Normal systolic blood pressure in an adult is in a range of 105-135 mmHg and the normal diastolic blood pressure in an adult is about 70 mmHg.
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