Test 1 Flashcards
MCV
What it measures?
Mean Corpuscular Volume
Measure of the average volume, or size of a single RBC
What is MCV used to Classify?
Anemias
Microcytic
Abnormally small
Examples of microcytic
Iron deficiency, Thalassemia
Macrocytic
Examples
Abnormally Large
Vitamin B12 of Folic Acid deficiency
MCH
What it measures
Mean Corpuscular hemoglobin concentration
measure of the average concentration of hemoglobin within a single RBC
Hypochromic
Examples
Decreased MCHC
Iron deficiency, anemia, thalassemia
Normochromic
Examples
Normal MCHC
hemolytic anemias
Alteration is shape may cause MCHC levels _______ normal
examples
ABOVE
Transfusion reactions, erythroblastosis fetalis
RDW
Measures?
Red Blood Cell Distribution Width
Measures variation in RBC size
WBC
Define
Total number of WBC (leukocytes) in 1mm 3 of peripheral venous blood and the measure of each type of leukocyte
Increase in WBC
Leukocytosis
Examples of Leukocytosis
Infection, leukemic neoplasia, other malignancy, trauma, stress, hemorrhage, tissue necrosis, inflammation, dehydration, thryroid storm, steroid use
Decrease in WBC
Leukopenia
Examples of Leukopenia
Drug Toxicity, Bone marrow failure, overwhelming infections, dietary deficiency, congenital marrow aplasia, bone marrow infiltration, autoimmune disease, hyperplenism
Increased Neutrophils
Neutrophilia
Neutrophilia
Causes
Acute bacterial infections and trauma
Immature Neutrophils
Band or Stab cells