Components of a CBC correct answers White blood cell count and differential
Red blood cell count
Red blood cell indices
Mean corpuscular volume (MCV)
Mean corpuscular hemoglobin (MCH)
Mean corpuscular hemoglobin concentration (MCHC)
Red cell distribution width (RDW)
Hematocrit (Hct)
Hemogl...
CBC - Complete Blood Count (All Answered)
Components of a CBC correct answers White blood cell count and differential
Red blood cell count Red blood cell indices
Mean corpuscular volume (MCV)
Mean corpuscular hemoglobin (MCH)
Mean corpuscular hemoglobin concentration (MCHC)
Red cell distribution width (RDW)
Hematocrit (Hct)
Hemoglobin (Hgb)
Peripheral smear
Platelet count
CBC Indications correct answers CBC can help:
Make a diagnosis Narrow the differential diagnoses
Guide further diagnostic testing
Complaints supporting CBC correct answers Fever
Fatigue
Dyspnea
Bleeding
Bruising
Petechiae
Heme positive stools
Weight loss, unexplained
Lymphadenopathy
Dizziness (not vertigo)
Palpitations
Angina
Jaundice Abdominal pain
And the list continues...
Development of Blood Cells (Orignates from, differentiates to what? correct answers Hemocytoblast -> Common myeloid progenitor and common lymphoid progenitor
Common myeloid progenitor differentates into Megakaryocytes(make thrombocytes), erythrocysts, mast cells, and myeloblast. Myelobase differents into 4/5 of the WBC --> Neutrophil, Basophil, Eosinphil, and Monocyte(makes Macrophages)
Common lymphoid progenitor differentates into large granular lymphocytes(natural killer cells) and small lymphocytes which differentiate into T lymphocytes and B lymophocytes(which produces plasma cells which produces antibodies) What do White Blood Cells (WBCs) Do? correct answers Defend against the invasion of pathogens.
Identify cancer cells or can become cancerous themselves
Remove the body's litter by phagocytosis.
Leave the circulation and go to the sites of invasion, inflammation and tissue damage.
5 types each with different roles in the immune system.
The measurement of the total and differential WBC count is a part of all routine laboratory diagnostic evaluations. Two components? correct answers It has two components.....
First is a count of total number WBCs
The other is the differential count, measuring the percentage of each type of leukocyte present in the specimen.
List GRANULOCYTEs correct answers Neutrophils
Basophils
Eosinophils
AGRANULOCYTES correct answers Lymphocytes
Monocytes
Avg WBC value in adults and children >2yrs correct answers Adults and children >2yr: 5,000-
10,000/mm3 (5-10)
Neutrophil % of total WBC count correct answers 55-70%
Lymphocyte % of total WBC count correct answers 20-40%
Monocyte % of total WBC count correct answers 2-8%
Eosinophil % of total WBC count correct answers 1-4%
Basophil % of total WBC count correct answers 0.5-1%
Smallest WBC correct answers Lymphocyte
Largest WBC correct answers Monocyte
"bands" correct answers immature neutrophils. more bands, more neutrophils. indicates infection
"left shift" correct answers more bands, immature neutrophils. indicates infection.
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