Transfusion Medicine MCQ: Test your knowledge in Blood

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          Want To Donate Blood. Can I? Can Diabetic Donors Donate Blood?           About Blood donation for Diabetes mellitus, the recent guidelines say that the person requiring insulin and/or complications of diabetes with multi-organ failure is  NOT eligible for the donation of blood. The person will be ACCEPTED for donation if the Diabetes Mellitus is controlled by diet or Oral hypoglycemic medications with no history of Ortho-stastic hypotension and No evidence of Infection, neuropathy or vascular diseases. Again, the person taking oral hypoglycemic medication has NOT been accepted if the medication is altered or the dosage of medication is adjusted in the last 4 weeks.   Blood Donation and Glycemic Control: The glycaemic status of the donor can be improved even after a single blood donation. The improvement was particularly evident three weeks after donation. Giving blood removes some iron from the body, perhaps helping restore insulin signaling. Blood donation could be an alter

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Blood Group Systems         The term Blood Group refers to the individual's Red cell surface antigens. These antigens are mainly Glycoproteins or glycolipids that form in RBC membranes. The International Society of Blood Transfusion (ISBT) working Party for Red Cell immunogenetics groups has maintained the records of RBC antigens as follows:     1. Blood Group Systems             2. Collections (201 Series)          3. Low prevalence Antigens (700 Series)          4. High Prevalence Antigens (901 Series) 1. Blood Group Systems: Blood group systems are defined as systems of one or more antigens governed by a single gene or complex of two or more closely linked homologous genes. In order for a blood group system and its antigens to be recognized the underlying genetic variation must be identified, sequenced, and confirmed to affect phenotype. Currently,   44  recognized Blood Group systems containing 354 antigens are discovered. The 44 Blood Group Systems are genetically determined b