BI-2272
Components of blood
Biology · Secondary 4 · Easy · Components of blood
A patient with blood group AB needs a blood transfusion. Four donors are available.
Donor P: group O
Donor Q: group A
Donor R: group B
Donor S: group AB
Which donors can safely give blood to this patient?
Donor P: group O
Donor Q: group A
Donor R: group B
Donor S: group AB
Which donors can safely give blood to this patient?
- P, Q, R and S
- Q and S only
- R and S only
- P and S only
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