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15 Cards in this Set

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Granulocytes
1. Neutrophils
2. Eosinophils
3. Basophils
Agranulocytes
1. Monocytes
2. Lymphocytes
Reference range of wbc count
4-10,000
Percentage of WBC's circulating in bloodstream.

WBC's found where?
2-3%


bone marrow
What is Leukopenia?
decrease in # of circulating WBC's
Leukopenia is caused by?
exposure to ionizing radiation, nuclear accidents, genetic disorders, infections, fibrosis, tumors, chemotherapeutic agents
Why is leukopenia dangerous to patients?
diminishes ability of the body to fight off infection
What is Leukocytosis
an increase in the # of circulating WBCs
Most common cause for leukocytosis?
acute infection
What is the name for immature WBC's
blasts
Name two drugs known to increase WBCs
hydrocortisone and epinephrine
Causes of Leukocytosis
physical exercise, obstretrical labor, pain, cold, menstruation, emotional stress, diurnal fluctuation
Normal neutrophil count
2.1 - 7.5 or 50-70% of WBC
What are the names for immature and mature neutrophils?
immature - bands

mature - segs
What is the main function of neutrophils
phagocytosis