Practice Quiz

NREMT Advanced EMT Practice Test #3

Category - EMT-I/99

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What is the proper term for the percentage of blood that is occupied by erythrocytes?
  1. Hemoglobin
  2. Pulmonary Saturate
  3. Hematocrit
  4. Platelet Count
Explanation
Answer - C - Hematocrit is the proper term for the percentage of blood that is occupied by erythrocytes. In a healthy person, normal hematocrit is approximately 45% of total blood volume. The importance of such measures are many, but increased levels usually means there is an infection in the body while an decreased level is indicative of some type of hemorrhaging is taking place.
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