Прочитайте текст A delicate heart operation was performed in a hermetically sealed high-pressure cha...: ответ на тест 781748 - Английский язык

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A delicate heart operation was performed in a hermetically sealed high-pressure chamber at the Moscow Research Institute for Clinical and Experimental Surgery.
The operated man was 48-years old. He had been hardly able to move because he was suffering from a serious congenital valve defect.
Now this operation is considered not a very complex one. But in this patient there was a serious risk of blood clotting in the brain.
The risk became quite insignificant when the operation was performed in the high-pressure chamber. At normal air pressure the amount of oxygen in a patient’s blood remains unchanged even if he breathes in pure oxygen. In a pressure chamber the oxygen amount in the blood increases considerably. In a pressure chamber the surgeon is able to operate with greater freedom on vital organs such as the brain, heart or blood vessels.
But it is very hard to work under high pressure. When operations are performed at seven or eight atmosphere pressures, the operation can only last two and a half hours. The personnel in the chamber have to be changed.
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In a pressure chamber the oxygen amount _______.

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A stroke
1. A stroke, or cerebrovascular accident (CVA), is the rapid loss of brain function due to disturbance in the blood supply to the brain. This can be due to ischemia caused by blockage (thrombosis, arterial embolism), or a hemorrhage. As a result, the affected area of the brain cannot function, which might result in an inability to move one or more limbs on one side of the body, inability to understand or formulate speech, or an inability to see one side of the visual field.
2. A stroke is a medical emergency and can cause permanent neurological damage and death. Risk factors for stroke include old age, high blood pressure, previous stroke or transient ischemic attack (TIA), diabetes, high cholesterol, tobacco smoking and atrial fibrillation. High blood pressure is the most important modifiable risk factor of stroke. It is the second leading cause of death worldwide.
3. An ischemic stroke is occasionally treated in a hospital with thrombolysis (also known as a «clot buster»), and some hemorrhagic strokes benefit from neurosurgery. Treatment to recover any lost function is termed stroke rehabilitation, ideally in a stroke unit and involving health professions such as speech and language therapy, physical therapy and occupational therapy.
4. Prevention of recurrence may involve the administration of antiplatelet drugs such as aspirin and dipyridamole, control and reduction of high blood pressure, and the use of statins. Selected patients may benefit from carotid endarterectomy and the use of anticoagulants.
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Here are some rules for drug taking:
1. Some medicines taken after meal can lose their effect. Hence pharmacological therapy follows this general rule: medicines having an organic structure should be taken 1_______ before meal-time.
2. Non-acid-resisting antibiotics (ampicillin, penicillin) and other medicines should be taken with 2_______ or drinks containing alcohol.
3. Shake the bottle with liquids or the 3_______ can be too strong.
4. Keep 4_______ in a cool place.

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1. 1_______ this ointment in the chemist’s.
2. Shake this 2_______ before use.
3. Don’t take these drops on an 3_______ stomach.
4. Keep the suppositories in a cool 4_______.

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1. Take this tincture a tablespoon twice a day 1_______ meal.
2. Take 2_______ one every four hours.
3. 3_______ this pill with milk.
4. Don’t take drugs without a 4_______ advice.

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1. When 1_______ puts the dressing or changes it she must wear the mask.
2. The nurse’s fingers must not touch any 2_______.
3. The nurse must take the swabs, dressings or 3_______ out the stitches only with forceps.
4. The nurse must keep the wound 4_______.