purpose of hematocrit
measure volume of RBCs
purpose of hemoglobin
measure O2 carrying capacity
purpose of blood cell counts
count # of blood cells
purpose of blood smears
detect abnormalities in size, color, & shape of blood cells
purpose of blood chemistry tests
measure level of proteins, glucose, uric acid, cholesterol, enzymes, & electrolyte ions
purpose of coagulation test
measure amnt of time it takes to coagulate
purpose of bone marrow biopsy
extract red bone marrow to detect disorders (leukemia, & anemia)