Blood Components

Question 1

What are the 3 main functions of blood? (With examples)

Answer 1

Distribution - O2, Nutrients, Wastes, Hormones
Regulation - Body Temp, pH, Fluid volumes
Protection - preventing blood loss and infection

Question 2

Which 3 cell types make up formed elements and what is their function?

Answer 2

Erythrocytes (RBC) - Carry O2/CO2
Leukocytes (WBC) - Immune Response
Platelets - Blood clotting

Question 3

Answer 3

Question 4

What is the main constituent of plasma?

Answer 4

Water

Question 5

What are the other important components of plasma?

Answer 5

Dissolved proteins, Glucose, electrolytes, clotting factors, hormones, O2, CO2

Question 6

Answer 6

Question 7

How big are each of the blood types?

Answer 7

RBC - 7.5 Micrometers diameter, 2.5 Micrometers thick
WBC - vary in types / sizes
Platelets - 2.4 Micrometers

Question 8

What are the percentages of differing blood types across Australian population?

Answer 8

According to red cross Australia
A - 38%
B - 10%
AB - 3%
O - 49%

Question 9

What is erythroblastosis Foetalis

Answer 9

Mother with Rh- has a Rh+ child and body rejects the foetus