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30 terms

BY 312 Lab Exercise 26 - Blood

questions from Lab Manual Reviewing Your Knowledge
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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