Lab Diagnostics CBC

Question 1

Neutrophils

Answer 1

Phagocytizes primarily bacteria, 40-70%

Question 2

Eosinophil

Answer 2

Phagocytizes and destroys antigen-antibody complexes. 1-4%

Question 3

Basophil

Answer 3

Releases histamines (allergic reactions), 0-1%

Question 4

Lymphocyte

Answer 4

B type produces antibodies in blood and lymph; T type kills virus containing cells, 20-45%

Question 5

Monocyte

Answer 5

Becomes macrophage when stimulated, phagocytizes bacteria and viruses, 4-8%

Question 6

What is a band cell?

Answer 6

An immature neutrophil

Question 7

What is a left shift?

Answer 7

Infections with a predominance of immature neutrophils

Question 8

Hematocrit

Answer 8

Indirectly measures the RBC mass (% of packed RBCs by mass)

Question 9

Mean corpuscular volume (MCV)

Answer 9

Determines the size of the red blood cells

Question 10

Mean Corpuscular Hemoglobin (MCH)

Answer 10

Quantifies the amount of hemoglobin per red blood cell

Question 11

Mean corpuscular hemoglobin concentration (MCHC)

Answer 11

Indicates the amount of hemoglobin by unit volume

Question 12

Red Cell Distribution Width (RDW)

Answer 12

Represents the quantification of the variation in the size of red blood cells

Question 13

Smallest formed elements in the blood?

Answer 13

Platelets (thrombocytes)

Question 14

Used as a screening tool for hypercoagulability.

Answer 14

D-dimer

Question 15

Blood test that includes Cl, Na, K, CO2 glucose, BUN, creatinine

Answer 15

Basic metabolic panel (BMP)