alleryStart learning →What fraction of normal blood is erythrocytes?
AAbout 75 percent
BAbout 15 percent
CAbout 95 percent
DAbout 45 percent
Answer & Solution
Correct answer: D. About 45 percent
1. Red cells dominate the formed elements.
2. Just under half the sample is packed cells.
3. In normal blood, about 45 percent of a sample is erythrocytes.
4. So the answer is about 45 percent.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 18 'Blood'_
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