Ch1: Intro to blood and hematopoietic tissues

Question 1

What is makes up blood?

Answer 1

Plasma: protein-ruch fluid

Formed elements: red cells, white cells, platelets

Question 2

Function of red cells

Answer 2

vehicles of gas exchange:

• deliver O2 from lungs –> tissues
• deliver CO2 from tissues –> lungs

Question 3

Types of white cells

Answer 3

cells of innate immune system:
-neutrophils
-eosinophils
-basophils
effectors of the adaptive immune system:
-lymphocytes

Question 4

Function of platelets

Answer 4

w/ circulating coagulation factors found in the plasma:

-mediate hemostasis (the normal clotting of blood in response to injury)

Question 5

Pancytopenia

Answer 5

everything low:

• low red cell
• low white cell
• low platelet counts

Question 6

Leukocytosis

Answer 6

high white cell count

Question 7

3 common indications that something’s up with bone marrow

Answer 7

1) pancytopenia (b/c all lines effected)
2) Leukocytosis
3) presence of early marrow progenitors in the peripheral blood