Answer:
Hey!
Here's why its important:-
When a foreign antigen reaches one’s blood, it stimulates the defense mechanism. On receiving unmatching blood, the antigen present in the donor's blood and the antibody present in the recipient's blood will react with each other and form a blood clot. Hence, everyone cannot receive blood from all blood groups.
- A cotton ball dampened with sterile normal saline is placed on the field
- A nurse turns to address the patient's question concerning the procedure
- The procedure is postponed for 30 minutes to accommodate the patient
Hope this helps :)
