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प्रश्न
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
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उत्तर
During surgical operation or an accident when excess of bleeding takes place, the patient may be given blood from outside to save his life. The transfer of blood from the donor to the recipient is called blood transfusion.
The following precautions are taken before the blood is given to the needy person:
- Matching of the donor’s blood with that of the recipient should be done.
- It should be made sure clinically that blood of donor is free from any infection.
- Sterilization of all the instruments to be used during the operation is must.
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संबंधित प्रश्न
State the exact location of the Chordae tendinae
The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the questions which follow:
(i) Name the blood vessels labelled 1 and 2.
(ii) State the function of blood vessels labelled 5 and 8.
(iii) What is the importance of the blood vessel labelled 6?
(iv) Which blood vessel will contain a high amount of glucose and amino acids after a meal?
(v) Draw a diagram of the different blood cells as seen in a smear of human blood.
What is Diapedesis?
Name the following:
The smallest common blood vessels formed by the union of capillaries.
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
True or false:
People with blood group ‘O’ are called universal recipients
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
All the waste products of the body are excreted through the circulatory system.
From the following identify the normal haemoglobin count in adult male.
