Вопрос № 1006847 - Английский язык

The emergency ambulance service in Russia operates day and night and is free of charge. The ambulances are equipped by diagnostic, respiratory, anaesthetic and electro-therapeutic apparatus, blood-transfusion and other equipment.
Прочитайте текст и определите, какой из заголовков соответствует тексту.

Прочитайте текст и определите, какой из заголовков соответствует тексту.
The emergency ambulance service in Russia operates day and night and is free of charge. The ambulances are equipped by diagnostic, respiratory, anaesthetic and electro-therapeutic apparatus, blood-transfusion and other equipment.

Symptoms are physical conditions that indicate the illness, and are usually described as either strong, mild, or weak. Many illnesses have symptoms in common, such as nausea, high blood pressure, etc., whereas other symptoms are rarer and specific to a narrow range of illnesses. The most important symptom that leads to a diagnosis is called a cardinal symptom, and the symptoms that cause a patient to seek medical help are referred to as presenting symptoms.
Прочитайте текст и ответьте на вопрос:
How is the most important symptom that leads to a diagnosis called?

A blood test is an extremely useful source of information about the health of a body. Because blood is affected by many medical conditions, the shape, size, behaviour, and numbers of blood cells reveal a lot, so blood tests are used to form diagnoses, and to monitor illness and the effectiveness of treatment. A blood test is fast, safe, and fairly reliable. Some tests can be done with only a drop of blood, whereas others may need a lot more. Blood tests give information about such thing as blood chemistry, kidney and liver function, hormone, cholesterol and glucose levels, and numbers of antibodies.
Прочитайте текст и ответьте на вопрос:
What is blood affected by?

Vitamins are believed to belong to ancient elementary organic compounds and to exist before life originated on Earth. According to Academician Chagovets vitamins took part in the building up of a primary organism together with such “blocks” of living matter as nucleic acids, proteins, aminoacids.
Прочитайте текст и ответьте на вопрос:
What do vitamins belong to?

Vitamin A is an unsaturated cyclic alcohol.
The source of all vitamin A is in the carotenoid pigments, the yellow-coloured compounds occurring in all chlorophyll-containing plants.
In pure form it is a pale yellow oil, soluble in fat solvents, having an ultra-violet absorption spectrum. The ester forms of the vitamin have been found to possess greater stability than the free alcohol.
Прочитайте текст и ответьте на вопрос:
Where is the source of all vitamin A in?