Frequently asked questions

About blood
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What is blood? How much blood does a person have?
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What is the composition of blood?
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What are the functions of these components?
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How is blood formed?
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What is haemoglobin?
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What are blood groups?
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What is the importance of knowing the blood groups?
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Why is A group not given B group blood?
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Why are Rh negative and Rh positive incompatible?
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What is a unit of blood?
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Can blood of animals be transfused to human beings?
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How long can blood be stored?
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Can we separate blood into its components?
Transfusion
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In which situations do patients need blood transfusion?
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Do you test all the collected blood?
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What happens to patients in transfusions with incompatible blood (mismatched blood)?
Donating blood
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In which situations do people generally donate blood?
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Who is a healthy donor?
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Does a donor need to do anything special before donation?
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How long does the donation take?
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Does the needle hurt the entire time?
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Does the donor suffer from any harmful effects after donating blood donation?
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Does a donor need to rest after donating blood?
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Can a donor work after donating blood?
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What special diet should a donor follow after giving blood?
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How long will it take for the body to replenish the donated blood?
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How frequently can a donor donate blood?
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Do any diseases debar a donor from giving blood?
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Are there any other benefits of blood donation?