Biology, 28.08.2021 03:00, youguyscantbanme
Your blood pressure is 68/38 and you fainted after donating a unit of blood. You are likely experiencing low preload from loss of blood volume. You understand preload to mean the amount of:
a) blood ejected from each ventricle with each contraction
b) blood pumped by each ventricle in 1 minute
c) venous return to the heart
d) resistance to ventricular emptying
Answers: 1
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Your blood pressure is 68/38 and you fainted after donating a unit of blood. You are likely experien...
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