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What may a health worker check before you donate blood?

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blood grouping,hepatitis B, C . CBC ,AIDS test
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How much blood can a person donate before it can affect their health?

Studies have indicated that volunteer whole blood donors begin experiencing adverse reactions (weakness, nausea, vomiting, syncope, etc) when blood loss exceeds 15% of total b

When you donate blood do they check for herpes?

Because herpes is not blood borne, there is no need to test for herpes when donating blood. According to the Australian red cross Q and A Herpes - I have genital herpes. Can

What can't you take before donating blood?

When you donate blood you will fill out a questionnaire that will ask questions to determine if you are capable or able to give blood. 1) should not be on doctor-prescribed

When blood is donated what checks are made?

You must be 17 years of age and weigh at least 110 pounds. Checks on pregnancy, iron levels and sexual habits are also done. They will check on health conditions, such as AIDS