PHYSIOLOGY
CARDIOVASCULAR PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In normal humans, the pressure measurement range is about 120 mmHg, which is the range of rhythms in which the atrium and ventricle muscles are in.
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The atrium contracts while the ventricle relaxes.
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The atrium relaxes while the ventricle contracts.
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The atrium and ventricle relax simultaneously.
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atrium and ventricle contract simultaneously
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Explanation:
Detailed explanation-1: -The “120” is the top number and is known as systolic blood pressure. It represents the pressure in your arteries when your heart beats. The “80” is the bottom number and is known as diastolic blood pressure. This is the pressure measured between your heartbeats when your heart is relaxing.
Detailed explanation-2: -For example, if systolic pressure is 120 mmHg and diastolic pressure is 80 mmHg (as shown in the figure), then the mean arterial pressure is approximately 93 mmHg using this calculation.
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