Question
What does hematocrit measure?
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Answer
The red blood cell fraction of blood.
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Question
How does serum differ from plasma?
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Answer
Serum is plasma without clotting factors.
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Question
How does sympathetic stimulation change cardiovascular function?
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Answer
It increases heart rate, contractility, and vasoconstriction.
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Question
How does parasympathetic stimulation differ from sympathetic stimulation in the heart?
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Answer
Via the vagus nerve, it decreases heart rate.
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