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19 Cards in this Set
- Front
- Back
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What are the main symptoms of bowel cancer? |
Change in bowl habits and blood in faeces |
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Where can cancer occur in the digestive system? |
Liver, Pancreas, stomach and bowel |
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Define cancer |
Cancer describes a disease characterisedby the progressive and uncontrolled growth of abnormal cells |
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Chemotherapy involves the action of drugs that act selectively on the cancer cells. what does this include? |
destroying the tumor cells or stopping them from multiplying |
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What other effects does this have on nearby cells? |
The drugs used may also affect the normal tissue because the drugs at on all rapidly dividing cells not just the tumor. They may cause destruction of white blood cells, hair loss, sterility and affect the mouth and intestines |
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Explain radiotherapy |
Using inoizing radiation, normally a source of damage to DNA, to treat cancer tumors. As the ratiation passes through the diseased tissue it destroys or slow fown the development of abnormal cells. |
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Are their any side effects? If so, what are they? |
The side effects are short-livrd and involve minor burning of the skin and some localised hair loss |
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Surgical removal may be necessary to remove promary tumors and is often combined with radiotherapy and/or chemotherapy. This method is used to treat what kind of cancer usually? |
Bowel cancer |
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What are the main influences of bowel, oesophagus and stomach cancer? |
Diet and obesity |
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What two diet supplements are supposed to reduce the risk of cancer? |
Folic acid and calcium supplements |
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What caused coeliacs disease? |
A protein, gluten, upon exposeure reat with the bowel tissue causing an imflammatory reaction |
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What does this lead to? |
The flattening of villi of the small intestine and this interferes with the absorption of digestive products |
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What are the symptoms of coeliacs disease? |
Sumptoms can range from tiredness and lethargy to weight loss and the sufferer becoming acutely ill |
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State which food is essential in the diet to prevent diverticular disease? |
Food rich in fibre |
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What is a peptic ulcer? |
An erosion of the lining in the stomach |
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Why does this erotion occur? |
Increas in the production of acid when the protective mucus layer is damaged |
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What are the main causes of peptic ulcers? |
Infection with a bacteria called H.pylori or long term over use of drugs such as anti imflamatory drugs |
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What are the treatments available to treat peptic ulcers? |
Antibiotics to rid the body of H.pylori Drugs to help strengthen the protective layer or to reduce the production of acid |
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State one factor that aggravates a stomach ulcer? |
H.pylori weakens the mucus protective layer allowing acid to irritate the stomach lining, agrevating the stomach ulcer |
