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Description
Flashcards by bridget.watts97, updated more than 1 year ago
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Created by bridget.watts97
almost 12 years ago
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| Question | Answer |
| This is normal in a foetus as they receive oxygen from the mother via the placenta, however is dangerous in a child or an adult. | A HOLE IN THE HEART |
| What does a hole in the heart allow to happen? | Deoxygenated blood will mix with oxygenated blood so the efficiency of transporting oxygen to tissues is reduced. |
| Name 3 advantages of a transplanted heart valve or pacemaker | Less risk of rejection, less traumatic operation, shorter waiting time than for a donor heart. |
| Name 2 disadvantages of a transplanted heart valve or pacemaker | they may need replacing, the patient must take anti-coagulants for the rest of their life. |
| Name 2 advantages of heaving a heart transplant | It will last them a lifetime, the patient will feel better immediately and can lead a full life. |
| Name 3 disadvantages to having a heart transplant | it is a major operation, expensive, the heart must come from a dead donor, long waiting time, the patient will need to take immunosuppressants for the rest of their life. |
| Natures way of preventing you from bleeding to death when injured | A BLOOD CLOT |
| This substance starts to build over the wound | FIBRIN |
| A SCAB | The combination of platelets, fibrin and plasma. |
| Examples of anticoagulant drugs | WARFARIN, HEPARIN AND ASPIRIN |
| What is an anticoagulant? | Drugs used to prevent blood clotting. |
| What is Haemophillia? | An inherited disease where blood fails to clot due to faulty clotting protein. Suffers can bleed to death. |
| How many different blood groups are there? | FOUR |
| What are the different types of blood groups? | A, B, AB, O |
| Blood group A can accept blood from... | Blood groups A or O |
| Blood group B can accept blood from... | Blood groups B or O |
| Blood group AB can accept blood from... | ANY (A, B, AB, O) |
| Blood group O can accept blood from... | only blood group O |
| What is haemoglobin? | The pigment that carries oxygen in red blood cells. |
| How much blood is taken from a vein in a donors arm? | 500cm³ |
| Unsuccessful blood transfusions can cause... | AGGLUTINATION (blood clumping) |
| Give a reason why someone might give blood. | They may have had a blood transfusion and know how vital it is or they just want to help save lives. |
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