Class assignments. IX. Give the words of the opposite meaning:

IX. Give the words of the opposite meaning:

to exclude, to result in, to diminish, gradually, slight, to drop, to suffer from, frequently, to arrest

X. Translate into English:

1. врожденный порок сердца; 2. принять эффективные меры; 3. вне­запная остановка сердца; 4. трепетание предсердий; 5. нарушение крово­снабжения

7 Я-438

193 XL Choose the appropriate word given in brackets:

1. Heart operations must be (preceded, followed) by various physical and laboratory analyses enabling the doctor to make a correct diagnosis. 2. The damage to different organs of the human body may be caused by (blood supply, blood loss). 3. The findings of Russian scientists such as Georgi Lang, Alexander Myasnikov and Dmitry Pletnev show that the main cause of some heart dis­eases is (the impairment, the arrest) of the nerve regulation of cardiac and vascular functions.

XII. Translate into English:

1. Больной был срочно госпитализирован в связи с его тяжелым со­стоянием. 2. При наличии тяжелых сердечных заболеваний больной часто страдает одышкой. 3. Операции на сердце всегда предшествуют много­численные исследования. 4. Его оперировали но поводу врожденного поро­ка сердца. 5.-При стенокардии больной должен соблюдать назначение врача в течение определенного периода времени. 6. Обильное наружное кровоте­чение (bleeding) явилось результатом повреждения большой поверхности голени. 7. Длительное соблюдение соответствующей диеты привело к сня­тию боли в желудке.

ХШ. Use Complex Object instead of the subordinate clause. Trans­late the sentences into Russian:

1. At the Institute of Cardiology in Moscow the researchers have found that mental overstrain is the factor causing the infarction in 35% of patients. 2. They have observed that the direct association between infarctions and the nerves occurs'only in the age-group of patients over 40. 3. At the Institute of Experimental Medicine the scientists have found that cholesterin is produced in the body itself in the amounts sufficient to cause atherosclerosis. 4. Cardi­ologists have observed that children with congenital heart defects have no clini­cal manifestations of the disease until years after birth, when it may be too late to operate.

XIV. Answer the following questions:

1. How many litres of blood does the human heart pump per minute at rest? 2. How many litres of blood does the human heart pump per minute on great physical exertion? 3. How many times does the human heart contract within 70 years of life? 4. How many litres of blood does the human heart pump within 70 years of life? 5. In how many seconds does the blood make a complete circle in our body at rest? 6. How long can the man live without water and without food?

XV. Read Text F. Which of the described methods have you got interested in?