blood

Question 1

Four components of blood

Answer 1

Plasma, red cell, white cell, platelet

Question 2

Which of the four components have a nucleus

Answer 2

white cell

Question 3

Contents of plasma

Answer 3

protein, hormones, H20

Question 4

Function of plasma

Answer 4

Transports nutrients and waste Eg:C02

Question 5

Shape of red cell

Answer 5

donut

Question 6

Function of red cell

Answer 6

Haemoglobin carries 02

Question 7

disease associated with red cells

Answer 7

Anemia

Question 8

Types of white cells and their functions

Answer 8

Lymphocyte makes antibodies to kill bacteria
Monocytes engulf bacteria

Question 9

Disease associated with white cells

Answer 9

Leukemia

Question 10

Shape of platelets

Answer 10

Bits of cells

Question 11

Function of platelets

Answer 11

clot blood at site of a cut

Question 12

Disease associated with platelets

Answer 12

Haemophilia

Question 13

Where are blood cells made

Answer 13

bone marrow

Question 14

What determines blood type

Answer 14

antigen type on red blood cell

Question 15

Name the four blood groups

Answer 15

A, B, AB, O

Question 16

Universal blood donor and universal blood recipient

Answer 16

donor: O
recipient: AB

Question 17

what does Rh stand for

Answer 17

Rhesus factor

Question 18

Why can’t Rh+ blood be given to Rh-

Answer 18

Introducing something foreign

Question 19

Name the three blood vessel types

Answer 19

Vein, artery, capillary

Question 20

Wall of artery vs vein vs capillary

Answer 20

artery: thick, vein:thin, capillary: very thin

Question 21

Which blood vessels have valves

Answer 21

Veins

Question 22

Where do arteries, veins and capillaries carry blood

Answer 22

A: away from heart, V: to heart, C: wrapped around cells + brings blood close to cells

Question 23

Components of artery and vein

Answer 23

Collagen, muscle elastic fibres in wall, endothelium, lumen

Question 24

Components of capillary

Answer 24

Endothelium, luman

Question 25

Define endothelium

Answer 25

Inside lining which protects muscles

Question 26

function of collagen

Answer 26

prevents over expansion of vessel

Question 27

Muscle elastic fibres function

Answer 27

allows expansion and contraction

Question 28

What occurs at capillaries

Answer 28

nutrients and O2 enter cells, waste and CO2 leave cells and enter blood

Question 29

Name a blood vessel that has capillaries at both ends

Answer 29

Hepatic portal vein

Question 30

How does blood move through veins

Answer 30

Muscles contract, valves prevent backflow