Multiple Choice
In the context of blood components, what type of formed element is typically labeled as '1' in diagrams representing blood cells?
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17. The Blood
Introduction To Blood
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What does a hematocrit measure in a blood sample?
A
The number of white blood cells in the blood
B
The concentration of hemoglobin in the blood
C
The percentage of red blood cells in the blood
D
The total volume of blood in the body
Verified step by step guidance1
Understand that hematocrit is a measure used in blood tests to evaluate the proportion of red blood cells (RBCs) in the blood.
Recognize that hematocrit is expressed as a percentage, representing the volume of red blood cells compared to the total blood volume.
Differentiate between the components of blood: red blood cells, white blood cells, plasma, and platelets.
Identify that the hematocrit value is crucial for diagnosing and monitoring conditions like anemia, dehydration, and polycythemia.
Remember that hematocrit does not measure the number of white blood cells, the concentration of hemoglobin, or the total blood volume, but specifically the percentage of red blood cells.
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