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BCLT 2-2
Hematocrit Determination
Question | Answer |
---|---|
Special care must be taken when operating the microhematocrit centrifuge since the rpm is mre than _______ | 10,000 |
Capillary blood for a microhematocrit should be collected in ______ tubes | Heparinized |
Conversion factor for converting hematocrit from percentage to SI units is _____ | 0.01 |
Opaque or milky appearance of plasma in a spun hematocrit is known as ____________ | High blood fat levels |
Hematocrit value below normal is _____ | 32% |
Leukocytes | Buffy coat |
Packed cell volume is ______________ | Microhematocrit |
Non-Heparinized capillary tubes are ______________ | Capillary blood |
Child hematocrit level | 38% |
Adult female hematocrit level | 42% |
Adult male hematocrit level | 47% |
Newborn hematocrit level | 56% |
The layers of blood cells that form when a tube of whole blood is centrifuged are called the ___________________________ | Packed cell column |
A glass or plastic tube of very small diameter used for laboratory procedures is called a(n) _____________ | Capillary tube |
A commonly performed test that provides the clinician with an estimate of the patient's red cell volume and the blood's oxygen-carrying capacity is the _________ | Hematocrit |
The light-colored layer of leukocytes and platelets that forms on the top of the red blood cell layer when a sample of blood is centrifuged or allowed to stand undisturbed is called the ____________ | Buffy coat |
An instrument that spins capillary tubes at high speed is called a(n) _________________ | Microhematocrit centrifuge |
Another term used for hematocrit is _____________ | Packed cell vloume |
The normal reference value for hematocrit varies with the patient's ane and ___________ | Gender |