How mush blood is taken during a blood donation?
A. approx 100mls
B. approx 500ml
C. approx 1 Litre
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Other quiz: Communicable Disease
Which of the following descriptions is correct?
A. Vaccination gives long-term protection, immunisation gives short-term protection.
B. Vaccination involves injection of antigenic material and immunisation is the process of developing immunity.
C. Vaccination involves injection of antigenic material, immunisation is injection of antibodies.
D. Vaccination and immunisation have the same meaning.