Hematologic

Question 1

what are the 4 components of blood

Answer 1

plasma, RBC/erythrocyte, WBC/leukocyte, platelets

Question 2

how much total blood volume does each take up?
-plasma
-RBC
-WBC

Answer 2

55%
40-45%
1%

Question 3

what does hemoglobin do?

Answer 3

gives blood red color and carries O2

Question 4

what are 5 types of WBC

Answer 4

monocytes
lymphocytes
neutrophils
basophils
eosinophils

Question 5

what is the function of platelets

Answer 5

aid in clotting process, creating adhesions at site of injury

Question 6

normal hemoglobin values for male and female

Answer 6

male: 14-18 g/dL
female: 12-16 g/dL

Question 7

what is hematocrit norm values for male and female

Answer 7

male: 42-52%
female: 36-46%

Question 8

value of hemoglobin that needs MD

Answer 8

< 8 g/dL

Question 9

what conditions have decreased Hct/Hgb

Answer 9

-anemia
-prolonged hemorrhage
-disease that destroys RBC (cancer, sickle cell)

Question 10

what conditions have increased Hct/Hgb

Answer 10

polycythemia
dehydration

Question 11

what does a complete blood count (CBC) panel measure

Answer 11

levels of WBC, RBC, platelets, Hgb and Hct concentration

Question 12

what are critical values of WBC

Answer 12

< 2500 or >30,000 (per mm^3)

Question 13

what is absolute neutrophil count (ANC)

Answer 13

total neutrophil count in blood

Question 14

what are the ranges for high, mid, and low risk ANC values

Answer 14

high: < 500/mm^3
mod: 500-1000/mm^3
low: >1000/mm^3