Previous year MCQs

General science UPPSC 2006 GS-I
Question

A person meets with an accident and needs blood - transfusion but there is no time to check his blood group. Which of the following blood groups could be given to him?

Answer & Solution

Answer: (Detailed Solution Below)

Option B: O–

Detailed Solution:

The correct answer is “O–”.
O negative blood can be safely transfused to individuals with any blood type in emergency situations because it lacks the A and B antigens on red blood cells, minimizing the risk of adverse reactions.

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