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15. Excessive sweating without fluid replacement can result in dehydration. This can cause a(n) (INCREASE /...

15. Excessive sweating without fluid replacement can result in dehydration. This can cause a(n) (INCREASE / DECREASE) in blood volume and a(n) (INCREASE / DECREASE) in SV.

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A) blood vol decreases.

B) SV also decreases.

As during sweating water is is removed from the body so amount of plasma which is the fluidpart of the blood decreases so blood volume also decreases.

As we know that stroke volume depends upon end diastolic volume and end diastolic volume depends upon venous return from the body and venous return directly depends upon the amount of blood present in the body as amount of blood decreases so that stroke volume of body also decreases.

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