13 Blood System Labs Flashcards Preview

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Flashcards in 13 Blood System Labs Deck (15):
1

antiblobulin test

test for the presence of antibodies that coat and damage erythrocytes

2

bleeding time

time required for blood to stop flowing from tiny puncture wound

3

coagulation time

time required for venous blood to clot in a test tube, normal-less than 15 min

4

complete blood count (CBC)

determination of numbers of blood cells, hgb concentration, hct, and red cell values (MCH

5

erythrocyte sedimentation rate (ESR)
"Sed Rate"

speed at which erythrocytes settle out of plasma. Increase with infection, inflammation, tumor, which increase fibrinogen content of the blood

6

hematocrit (Hct)

percentage of erythrocytes in a volume of blood

7

hemoglobin test (H, Hg, Hgb, HGB)

total amount of hemoglobin in a sample of peripheral blood

8

platelet count

number of platelets per cubic millimeter of blood, normal- 150,000 to 350,000

9

prothrombin time (PT)

test of the ability of blood to clot, factor II

10

partial thromboplastin time (PTT)

check for other clotting factors, ability of blood to clot

11

red blood cell count (RBC)

number of erythrocytes per cubic millimeter, normal -4 to 6 million

12

red blood cell morphology

microscopic exam of stained blood smear to determine the shape of individual cells

13

white blood cell count

number of leukocytes per cubic millimeter, normal- 5,000 to 10,000

14

white blood cell differential (count)

percentage of different types of leukocytes in blood

15

apheresis

separation of blood into component parts and removal of a select portion from the blood

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