Blood

Question 0

Leukocytes

Answer 0

All White blood cells

4,000-11,000 cells/mm3

Question 1

Erythrocytes

Answer 1

RBC

Transport of O2 and CO2

4.5-5million cells/mm3

Question 2

Neutrophil

Answer 2

40-70% count

Phagocytize bacteria

3to five lobed

Question 3

Eosinophil

Answer 3

1-4% count
–Reduce inflammation
Phagocytize antibody labeled material
2 lobed

Question 4

Basophil

Answer 4

<1% count

releases histamine and other chemicals that promote inflammation

Highly granulated

Question 5

Lymphocyte (agranulocyte)

Answer 5

20-49% count
Mount immune response by direct attack or via antibodies

Mostly just a nucleus

Question 6

Monocytes

Answer 6

4-8% count
–Enter tissues to become macrophages
–Engulf pathogens

Kidney shaped nucleus
Increase # durning chronic infections

Question 7

Platelets

Answer 7

• Fragments of a bone marrow cell called a megakaryocyte
• Count: 250-500,000 per mm3
• Function: mediates blood clotting chemically and mechanically

Question 8

Leukocytosis

Answer 8

Abnormally high WBC count

Could indicate a bacterial or viral infection

Question 9

Leukopenia

Answer 9

A decrease in WBC count below 4,000/mm3, indicate typhoid fever, measles or tuberculosis

Question 10

Leukemia

Answer 10

Malignant disorder of the lymphoid tissues, uncontrolled proliferation of WBCs along w/ reduced # of RBCs and platelets

Question 11

Differential WBC count

Answer 11

100 WBCs are counted and classified.

Any abnormalities or elevations indicate a problem

Routine in physicals

Question 12

Total RBC count

Answer 12

Important for o2 transport

Looking for excessive change in the number

Question 13

Total WBC count

Answer 13

Looking for abnormalities in the number

Question 14

Polycythemia

Answer 14

Decrease in RBC count that can carry O2, caused by living at high altitudes or bone marrow cancer.

Question 15

Anemia

Answer 15

Decreased in in O2 carrying capacity of blood,May result from RBC count drop, size or hemoglobin content

Question 16

Hematocrit

Answer 16

the ratio of the volume of red blood cells to the total volume of blood

Routinely done when anemia is suspected

Question 17

Packed cell volume

Answer 17

Also known as PVC and hematocrit

Female: 42 +-5%
Male: 47+-7%

Question 18

Plasma

Answer 18

Nonliving fluid matrix

Floats to the top in hematocrit test

Water, salts, proteins and nutrients

Question 19

Buffy coat

Answer 19

White blood cells and platelets

Question 20

Hemoglobin concentration

Answer 20

Determining the bloods ability to carry O2 by looking at the Hb protein

Question 21

Bleeding time

Answer 21

Testing how long it will take to stop bleeding/ for platelets to block damaged area

Question 22

Coagulation time

Answer 22

The time it takes for the blood to minimize blood loss in a vessel

Question 23

Antigens

Answer 23

Surface cell markers

Who’s who

Question 24

Antibodies

Answer 24

Army that attacks the bad antigens

Secreted by the plasma

Question 25

Diapedesis

Answer 25

The way White blood cells leave circulation and enter tissues

Question 26

Plasmin

Answer 26

Breaks down clot