What is the purpose of taking blood in the college entrance examination 1, that is, blood test, mainly to check blood routine and liver function. Blood routine can check whether there is anemia, bacterial virus infection and platelet deficiency, and can also diagnose and rule out some blood diseases. You can check whether the liver function is damaged or sort out functional diseases.
2, the college entrance examination physical examination should draw blood twice, once for routine blood test and once for transaminase index.
On the one hand, physical examination is to screen and avoid unsuitable majors, on the other hand, it is also conducive to controlling infectious diseases and blood diseases. It's okay, it's only a few seconds. Not only the college entrance examination requires physical examination and blood drawing, but also the college entrance examination before graduation. Enterprises and institutions also need a blood test and an annual employee welfare check when they join the company.
4, the college entrance examination needs blood, not pain. According to the enrollment regulations, fresh candidates need to have a physical examination before the college entrance examination to check their eyesight and liver. And they have poor eyesight and color blindness. It is necessary to draw blood to check whether there are blood-borne diseases such as hepatitis B, because it is stipulated that tuberculosis and other diseases are not allowed to take the college entrance examination.
Precautions for blood drawing in college entrance examination 1. Precautions before blood drawing
1, don't eat too greasy and high-protein food the day before physical examination, and avoid drinking too much. The alcohol content in blood will directly affect the test results.
2, the day before the physical examination should be fasted after 8 pm, so as not to affect the next day's abdominal blood sugar and other indicators.
3. Relax when taking blood, to avoid blood vessel contraction caused by fear and increase the difficulty of blood collection; If you have a history of fainting, please explain in advance and make other special arrangements.
Second, attention should be paid after blood collection.
1. After blood drawing, it is necessary to locally press the pinhole for 3-5 minutes to stop bleeding. Note: Do not rub it to avoid subcutaneous hematoma.
2. The pressing time should be long enough. Because the coagulation time varies from person to person, some people need a little longer to coagulate. Therefore, when there seems to be no bleeding on the surface of the skin, the compression will stop immediately, and blood may seep out of the skin, resulting in bruising due to incomplete hemostasis. So it takes a long time to stop bleeding completely. If there is a tendency to bleed, the pressing time should be extended.
3. If you have dizziness, dizziness, fatigue and other symptoms after blood drawing, you should immediately lie down and drink a small amount of sugar water, and then have a physical examination after the symptoms are relieved.
Three, medical blood points for attention
Don't eat too greasy and high-protein food the day before physical examination, and avoid drinking a lot. The alcohol content in blood will directly affect the test results.
Fasting should be carried out after 8 pm the day before physical examination, so as not to affect the detection of abdominal blood sugar and other indicators the next day. Relax your mood when taking blood, avoid fear leading to vasoconstriction and increase the difficulty of blood collection; If you feel dizzy, please explain in advance and make other special arrangements. After blood drawing, local pressure should be applied at the pinhole for 3-5 minutes to stop bleeding.
Note: Do not rub it to avoid subcutaneous hematoma. The pressing time should be long enough. Because the coagulation time varies from person to person, some people need a little longer to coagulate.
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Therefore, when there seems to be no bleeding on the surface of the skin, the compression will stop immediately, and blood may seep out of the skin, resulting in bruising due to incomplete hemostasis. So it takes a long time to stop bleeding completely. If there is a tendency to bleed, the pressing time should be extended. If you have dizziness, dizziness, fatigue and other symptoms after blood drawing, you should immediately lie on your back and drink a small amount of sugar water, and then have a physical examination after the symptoms are relieved.