revision q: blood

Question 1

What % of whole blood is plasma?

Answer 1

55%

Question 2

The liquid part of blood is..

Answer 2

plasma

Question 3

The formed elements of blood are..

Answer 3

erythrocytes , leukocytes and thrombocytes

Question 4

What is erythrocytes job?

Answer 4

to carry oxygen around the body

Question 5

How many oxygen atoms can one haemoglobin molecule transport?

Answer 5

four

Question 6

Haematopoiesis is..

Answer 6

the production of new blood cells

Question 7

Erythropoietin is..

Answer 7

a hormone that signals to the rede bone marrow to increase red blood cell production

Question 8

In the ABO blood group, antigens are..

Answer 8

markers found on the extracellular surface of red blood cells

Question 9

A person with type AB blood has what type of antigens?

Answer 9

A and B

Question 10

A person with type AB blood has what type of antibodies?

Answer 10

none

Question 11

A person with type O blood has what types of antigens?

Answer 11

none

Question 12

A person with type B blood has..

Answer 12

B antigens and anti-A antibodies

Question 13

In the rhesus blood group system, what does positive (+) mean?

Answer 13

that there are RH (or D) antigens present on the surface of the red blood cells

Question 14

A person with type B+ blood has..

Answer 14

B antigens and Rh antigens