B5 - Running repairs Flashcards Preview

Biology - Bethany DONE > B5 - Running repairs > Flashcards

Flashcards in B5 - Running repairs Deck (29):
1

What is the liquid part of the blood called?

The liquid part of the blood is called the plasma.

2

Are there more red or white blood cells in the plasma?

There are lots more red blood cells in the plasma.

3

What are platelets?

Platelets are small fragments of cells.

4

What is an irregular heart beat?

An irregular heart beat is when the heart does not beat properly.

5

What is a hole in the heart caused by?

A hole in the heart is caused by a hole in the heart wall between it's left and right sides.

6

What is coronary heart disease caused by?

This is caused by a blockage in the coronary artery.

7

What happens if there is a hole in the heart?

Deoxygenated and oxygenated blood mix and blood leaving the heart carries less oxygen.

8

What happens if the coronary artery is blocked?

The heart is not supplied with oxygen and can cause a heart attack.

9

What do heart assist devices do?

Heart assist devices reduce the work done by the heart muscles by helping to pump the blood.

10

Where does the oxygenated blood come from in an unborn baby's blood circulation?

The oxygenated blood comes from the placenta from the mother.

11

Why are an unborn baby's lungs not involved in their circulatory system?

The lungs are not developed enough to work on their own and do not have direct access to the air.

12

Why is a replacement valve or pacemaker seen as a better option to a heart transplant?

They are less invasive and aren't as difficult to perform. There is also less chance of rejection.

13

Why do people receiving a heart transplant take immune-suppressive drugs?

To avoid the transplant being recognized as 'foreign' and rejected.

14

What do anti-coagulant drugs do?

These drugs stop blood from clotting.

15

What are the the four blood groups?

A, AB, B, O. They can either be Rhesus positive or Rhesus negative.

16

Why are there different amounts of each type of blood group in storage?

There are different amounts because some blood groups are lesson common than others.

17

What is checked before you donate blood?

How much hemoglobin a person has in their blood.

18

What is hemoglobin?

Chemical found in red blood cells which carries oxygen.

19

What is anaemia?

A condition in which there is a deficiency of red cells or of haemoglobin in the blood.

20

Why must there be no air bubbles in blood during a blood transfusion?

It may cause a blockage.

21

Why does blood clot?

Blood clots to seal wounds and prevent the entry of pathogens and reduce blood loss.

22

What vitamin is most important for blood clotting?

Vitamin K.

23

What health issues can clotting cause?

Heart attacks if there is a clot in the coronary artery or a stroke if there is a clot in the blood vessels in the brain.

24

What is haemophilia?

Haemophilia is a condition where blood does not clot.

25

What is agglutination?

Agglutination is the process of blood clumping when blood is mixed from two different people.

26

What are the three anti-coagulant drugs called?

-aspirin
-warfarin
-heparin

27

What are antigens?

These are substances that cause an immune response by the body and the production of antibodies.

28

What is a universal donor?

A universal donor is something that can be donated to everybody, e.g blood group O.

29

What is a universal recipient?

A universal recipient is someone who can receive everything, e.g blood group AB can receive any other blood group.