Вопрос № 911949 - Английский язык

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During 1_______ the total caloric needs increase to supply energy for fetal development. A pregnant 2_______ needs approximately 300 more calories per day than before she becomes pregnant. It may be a little less during the first trimester and a little more in the last. Woman carrying 3_______ will need even more.
The extra 300 calories can come from an apple, half a cheese sandwich and a carrot stick. The best way to consume 4_______ calories is healthy snacks eaten between meals.

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Calcium and phosphorus are important minerals in fetal – bone development, a pregnant woman requires 1.200 mg of calcium and phosphorus daily. This is a 50 increase over what a woman needed before she became pregnant.
Dairy products are excellent sources of both calcium and phosphorus, as well as of vitamin D which is necessary for calcium absorption.

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Bleeding can lead to a severe 1_______ of blood. The best way to stop bleeding is by direct pressure with a clean cloth. If the bleeding is from the arm or the leg, the limb can be kept in a 2_______ position. If the bleeding is from a nose, put a cold 3_______ on the nose. A cold compress will stop the blood. Ice placed on the nose also stops bleeding. In 4_______ case doctors make blood transfusion.

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The human heart contracts from the first moment of life until the last one. The contractions of the heart pump the blood through the arteries to all 1_______ of the body. Physiologists have determined that in the adult the heart makes from 60 to 72 2_______ per minute. In children the rate of heart beat is much higher. Research work has determined that rate of heart beat increases depending on different emotions.
Each beat of the heart is followed by a 3_______ of rest. Each contraction and a period of rest compose a cardiac cycle.
Each cardiac cycle consists of three phases: the first phase of short contraction – the atrial systole, the second phase of a more prolonged contraction – the ventricular systole. The period of rest is called the diastole.
Research 4_______ of many physiologists has estimated the role of the ventricles as the main pump of the human heart.

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The whole 1_______ of a nurse is devoted to people. She is responsible for her patient. Every nurse must have enough 2_______ of her work. She must help her 3_______ at any hour of the day or night. That’s why you should know how to help a person in 4_______ situations.

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Headache is a symptom of many 1_______. It may occur with common cold, fever, eye strain or hunger. It may 2_______ mumps, malaria, measles and many other infections. But if severe 3_______ persists you should consult a doctor. Frequent and 4_______ headache may sometimes be a symptom of brain tumour.