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WAEC Biology 2018 Theory — Question 19

Question 19 of 19 from the West African Examinations Council (WAEC) Biology 2018 Theory paper, with the correct answer and a full explanation.

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6.(e) A person was involved in a car accident and became unconscious due to excessive blood loss. Explain briefly how the blood lost could be restored.

Model answer

The person should be given an appropriate blood transfusion. The person's blood group must first be tested/matched, and the donor blood must be screened to ensure it does not carry any transmissible disease before transfusion.

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