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Hematology Test 1 Questions with Correct Answers
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Hematology Test 1 Questions with Correct Answers
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Hematology Test 1 Questions with Correct AnswersA hematocrit (HCT) is also called: Correct Answer-Packed cell volume
What can only be evaluated through the microscopic examination of a
stained blood film? Correct Answer-Presence of blood cell inclusions
The mechanism for the prevention of clotting with the anticoagulant
ethylenediamine tetraacetic (ETDA) is: Correct Answer-removal of
calcium from the sample
For a complete blood count (CBC) in hematology and a prothrombin
time test (coagulation), the phlebotomist collected blood into a lavender
stopper and green stopper tubes. Are the specimens acceptable? Correct
Answer-No, although EDTA is used for hematology testing, citrate, not
heparin is used for coagulation tests.
An anticoagulant is an additive placed in evacuated blood collection
tubes to: Correct Answer-Prevent the blood from clotting
Hematology controls are: Correct Answer-Tested the same as patient
samples
You purchase a preserved whole blood specimen from a manufacturer
who provides the mean values for several complete blood count
analytes. What is the specimen called? Correct Answer-Control
, How does the genetically active portion of the nuclear chromatin look
when stained with a Wright stain? Correct Answer-Diffuse,
uncondensed and pale blue
If the cytoplasm of a cell is very basophilic (blue) when stained with
Wright stain it contains: Correct Answer-Large number of ribosomes
What cellular structures appear as granules with Wright stain? Correct
Answer-Lysosomes
What are surface markers that help in cell identification located? Correct
Answer-Cell membrane
After birth, where does hematopoiesis occur? Correct Answer-Bone
marrow
Erythopoietin is a growth factor affecting erythroid progenitors and is
produced by what organ? Correct Answer-Kidney
How do cells get from the bone marrow into peripheral circulation?
Correct Answer-Mature cells squeeze through spaces in the vessel
endothelial lining
When a patient has severe anemia and the bone marrow is unable to
effectively produce red blood cells (RBCs) to meet the increased
demand, on of the body's responses is: Correct Answer-Extramedullary
hematopoiesis in the liver and spleen
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