The significance of the atrial kick is that it affects the contraction of the:
a. Right atria, which is necessary to open the tricuspid valve.
b. Right atria, which is necessary to increase the blood volume from the vena cava.
c. Left atria, which increases the blood volume into the ventricle.
d. Left atria, that is necessary to open the mitral valve.
Ans: c. Left atria, which increases the blood volume into the ventricle.
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