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Questions and Answers
What unit is standard for measuring blood pressure?
How is blood pressure typically expressed?
In a blood pressure measurement of 120/80 mmHg, which number represents the systolic pressure?
What does the diastolic pressure indicate in a blood pressure reading?
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If a person's blood pressure is recorded as 130/85 mmHg, what is the diastolic pressure?
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What is systolic pressure primarily defined as?
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Which of the following statements about systolic pressure is accurate?
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What primarily influences systolic blood pressure?
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When is systolic pressure typically measured?
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Which factor does NOT directly affect systolic pressure?
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Study Notes
Blood Pressure Measurement
- Blood pressure is measured in millimeters of mercury (mmHg).
- Blood pressure is expressed as systolic pressure over diastolic pressure (e.g., 120/80 mmHg).
Systolic Pressure
- Systolic pressure is the highest pressure exerted by blood against artery walls during ventricular contraction.
Diastolic Pressure
- Diastolic pressure is the lowest pressure exerted by blood against artery walls during the heart's resting period (ventricular relaxation).
Normal Blood Pressure Range
- Normal blood pressure range is 120 ± 20 mmHg.
Orthostatic Hypotension
- Orthostatic hypotension is a type of low blood pressure that occurs upon standing up.
- This occurs due to peripheral vasodilation without a corresponding increase in cardiac output.
- Slow standing, especially after bed rest, can help prevent orthostatic hypotension.
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Description
This quiz covers the essentials of blood pressure measurement, including the definitions of systolic and diastolic pressure. You'll learn about normal blood pressure ranges and conditions like orthostatic hypotension. Test your knowledge and understand the implications for health!
