Chapter 19: CV SYSTEM - BLOOD

Question 1

What is the function of blood?

Answer 1

Transports oxygen, CO2, wastes, nutrients, hormones.
Regulates pH, body temp, water contents of cells.
Provides protection through clotting, white blood cells, etc.

Question 2

What component in a RBC transports oxygen?

Answer 2

Hemoglobin

Question 3

What is the formation of RBCs referred to as?

Answer 3

erythropoeisis

Question 4

Types of granulocytes?

Answer 4

-Phils
neutorphils
eosinophils
basophils

Question 5

Types of agranulocytes

Answer 5

-cytes
lymphocytes
monocytes

Question 6

Function of neutrophils and macophages

Answer 6

combat infection through phagocytosis

Question 7

function of eosinophils

Answer 7

combat effects of histamines, eat antigen-antibody complexes, fight parasitic worms

Question 8

function of basophils

Answer 8

release heparin, histamine, serotonin

Question 9

function of B lymphocytes

Answer 9

attach to antigens, destroy foreign invaders

Question 10

Function of platelets

Answer 10

help stop blood loss by forming a platelet plug.

Question 11

amount of platelets in a normal person’s blood

Answer 11

150-400,000

Question 12

What is hemostasis

Answer 12

• stoppage of blood loss/bleeding
• vascular spasm/platelet plug/coagulation

Question 13

cascade of reactions for hemostasis

Answer 13

1. formation of prothrombinase
2. conversion of prothrombin –> thrombin
3. conversion of soluble fibrinogen into insoluble fibrin

Question 14

what does normal coagulation require?

Answer 14

Vitamin K