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NREMT Advanced EMT Practice Test #3

Category - EMT-I/99

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What makes up more than half of total blood volume?

Red blood cells
White blood cells
Plasma
Protein

Explanation

Answer - C - Plasma makes up more than half of the total blood volume. Plasma makes up approximately 55% of the total blood volume. It consists of 92% water, 6-7 % proteins, and a small portion containing electrolytes, lipids, and enzymes.

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