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When a person with blood belonging to group O has lost much blood due to an accident, ...

When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging to
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  • A Group O only
  • B Group A only
  • C Group AB only
  • D Groups A and O
  • E Groups AB and O
Correct Answer: Option A
Explanation:
The correct answer is:

A. group O only

Explanation:
A person with blood group O has anti-A and anti-B antibodies in their plasma. This means they cannot receive blood from A, B, or AB groups, as their immune system would attack the foreign antigens.

- Group O is the universal donor, but can only receive blood from group O.

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