Hematology Labs and Diagnostics Flashcards
The provider will order a _____, when they are interested in WBCs, RBCs & platelets - and the percentages of each WBC.
CBC with Diff (differential)
What information is included in a CBC?
RBC count, hemoglobin and hematocrit, WBC count, and platelet count
Name the white blood cell types and the corresponding percentage of each in a normal WBC count
Neutrophil (40-70%), lymphocyte (20-25%), monocyte (3-8%), eosinophil (2-4%), and basophil (<1%)
An acute bacterial infection will show on a CBC with Diff with an increased percentage of ______ and a _____.
Neutrophils, shift to the left
What is a shift to the left?
An abnormal ncrease in the number of bands compared to segs as seen on a CBC with differential of a patient with an acute bacterial infection.
What is a seg?
A mature neutrophil (& is short for “segmented”)
What is a band?
An immature neutrophil
What is morphology?
the study of the color, size, and shape of a cell
What is the mean corpuscle volume (MCV)?
the size of the cell
Normocytic describes a . . .
normal sized cell
Microcytic describes a . . .
small cell
Macrocytic describes a . . .
large cell
Microcytic red blood cells occur with _______
iron deficiency anemia
Macrocytic red blood cells occur with _______
megaloblastic anemias such as those seen with B12 and folate deficiencies
What is the mean corpuscular hemoglobin concentration (MCHC)?
a measure of the average amount of hemoglobin per red blood cell (hemoglobin concentration)