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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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juggler2020 juggler2020
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11 years ago
QUESTION: If a person blood pressure is 120/80 and has a mean arterial blood pressure of 90. which is the best explantion for why the mean arterial blood pressure is 90 mm Hg, and not the average of the two pressures (100 mm Hg)?


a] the systolic blood pressure is higher than the diastolic blood pressure
b] the quantity of fluid in the persons circulatory system must be greater during the diastole
c] the diastole of the heart lasts longer than the systole of the heart
d] the systloic blood pressure is not as high as the diastolic blood pressure
e] angiotensin, produced from a blood protein by rnein, elevates the diastolic blood pressure
how is it c?
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wrote...
#1
11 years ago
C. isn't a completely adequate answer, but you can exclude the others fairly quickly if you simply think about them for a minute.
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Jonesy-Jonesy-
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11 years ago
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#3
11 years ago
The first number, 120 is always usually going to be the highest number, right beside 80.  If it isn't... then you have a code on your hands quite possibly...

(no medical classes whatsoever, just my dumb thoughts lol, as you can see)
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