Blood

Question 1

What does haemoglobin do?

Answer 1

Absorbs oxygen

Question 2

Does a red blood cell have a Nucleus?

Answer 2

No.

Question 3

What is the feature of a bio concave disk?

Answer 3

allows more area for oxygen to be absorbed

Question 4

Name 4 thing that plasma does do?

Answer 4

Carries oxygen from lungs to cell
carbon dioxide from cells to lungs
Digested food from small intestine to live then cells
Urea from liver to kidney

Question 5

What is Plasmas job?

Answer 5

transports medium essentials around the blood

Question 6

Name the features of an artery?

Answer 6

high pressure, no valves, pumps blood away from the heart, carries oxygenated blood, strong muscle to pump blood around the body

Question 7

Name the features of a vein?

Answer 7

low pressure, has valves, brings blood to the heart, carries deoxygenated blood, smaller lumen and muscle than the artery

Question 8

Name features of a capillary

Answer 8

where gas exchange occurs, low blood pressure, found in muscles and lungs

Question 9

what happens when circulation goes wrong?

Answer 9

fat blocks up or clots in circulatory system. The artery becomes narrow which prevents enough oxygen to be delivered.

Question 10

Advantages of a artificial heart

Answer 10

Heart prone from blood clotting, save someone’s life

Question 11

Disadvantages of a artificial heart

Answer 11

Only meant to last for a certain amount of time, batteries eventually run out

Question 12

Symptoms of a faulty valve

Answer 12

heart murmur, chest pains

Question 13

what is the job of artificial heart valves?

Answer 13

used to unstiffen and fix leaky valves

Question 14

what types of stents are there?

Answer 14

Biological and mechanical

Question 15

The good parts and bad parts of biological valves?

Answer 15

do not damage red blood cells but can stiffen over several years

Question 16

The good parts and bad parts of mechanical valves?

Answer 16

they are durable and don’t stiffen but damage red blood cells

Question 17

What is a stent?

Answer 17

It is an artificial tube that treat narrow and weak arteries also can be used to improve blood flow

Question 18

Benefits of a stent?

Answer 18

You do not need major surgery, major complications are uncommon, can save someone’s life, can improve functioning kidneys

Question 19

Risks of stent?

Answer 19

can be allergic to the stent
side effects of medication
You can get stent thrombosis
scar tissue can grow within

Question 20

What is the septum?

Answer 20

The central wall of the heart

Question 21

What does the Aorta vein do?

Answer 21

carries oxygenated blood around the body

Question 22

what does the vena cava do?

Answer 22

carries the deoxygenated blood back to the heart

Question 23

What does the pulmonary artery do?

Answer 23

takes the blood to the lungs

Question 24

What does the pulmenary vein do?

Answer 24

brings the oxygenated blood to the heart

Question 25

What does the valves prevent

Answer 25

backflow of the blood

Question 26

How many major blood groups are there?

Answer 26

30

Question 27

what is the proteins on the surface of the red blood cells?

Answer 27

antigens-determine what blood group you are in

Question 28

what does antibodies do?

Answer 28

they are the natural defence against foreign antigens

Question 29

where are antibodies found?

Answer 29

The plasma

Question 30

which blood group can both A&B be transfused

Answer 30

A&B

Question 31

What does the white blood cell do?

Answer 31

produce antibodies destroy pathogens

Question 32

what does platelets do?

Answer 32

Trap red blood cells and fibrin a protein to form a scab and to prevent us from infection

Question 33

what antigens does A have?

Answer 33

2 mushrooms

Question 34

what antigens does B have?

Answer 34

2 triangles

Question 35

what antigens does o have?

Answer 35

none

Question 36

what antibodies does A have?

Answer 36

antibody B

Question 37

What does Antibodies B have?

Answer 37

antibody A

Question 38

What is special about blood group O?

Answer 38

can produce A and B antibodies( A&B cant produce any)

Question 39

What does antibody B look like?

Answer 39

looks like= YYY

Question 40

What does antibody A look like?

Answer 40

looks like a U on a top of a stick

Question 41

Why is artificial blood needed?

Answer 41

transfer blood over without disease, religious reasons or lack of blood in that group

Question 42

pros and cons of plasma blood

Answer 42

will carry oxygen and other materials but does not carry enough oxygen

Question 43

pros and cons of PFCS

Answer 43

carries more oxygen than plasma but without red blood cells. Breaks down rapidly= poisoning