BY 312 Lab Exercise 26 - Blood

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questions from Lab Manual Reviewing Your Knowledge

neutrophils

60-70% of all WBCs

eosinophils

2-4% of all WBCs

basophils

0.5-1% of all WBCs

lymphocytes

20-25% of all WBCs

neutrophils

10-12 µm; nucleus with 2-5 connected lobes; pale lilac granules

eosinophils

10-12 µm; nucleus with 2 or 3 lobes; red-orange granules

basophils

8-10 µm; nucleus that is dark purple; large deep blue-purple granules

lymphocytes

6-9 µm; round nucleus that is dark purple; sky blue cytoplasm, no visible granules

monocytes

12-20 µm; kidney-shaped nucleus; blue-gray cytoplasm, no visible granules

PMNs

abbreviation for polymorphonuclear leukocytes

leukocytes

general name for all the WBCs

polymorphonuclear leukocytes

nickname for neutrophils due to their many lobes

segs

nickname for neutrophils due to the segmented look of their nucleus

granulocytes

basophils, neutrophils, eosinophils

agranulocytes

lymphocytes, monocytes

neutrophil

most numerous leukocyte

basophil

least numerous leukocyte

hematocrit

percentage of RBCs in a whole blood sample

heparin

anticoagulant used in hematocrit testing

blood

the oxygen and carbon dioxide carrying cell

leukocytes

help the body fight infections and foreign substances; WBCs

platelets

form a clot to help the body stop bleeding

erythrocytes

RBCs

cell fragments

another name for platelets

megakaryocytes

large cells that develop into platelets

anemia

a deficiency in # of RBCs or decreased hemoglobin content of blood

polycythemia

and abnormal increase in RBCs

leukocytosia

an abnormal increase in WBCs

leukopenia

a deficiency in WBCs

thrombocytopenia

a deficiency in platelets

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