Human Blood Group Quiz

1. Which antigen is present on the red blood cells of a person with B positive blood?

A antigen B antigen A and B antigens No antigens

2. A person with AB negative blood can donate red blood cells to which of the following blood types?

A negative B negative AB negative All of the above

3. What is the universal recipient blood type for red blood cell transfusions?

O negative AB positive A positive B negative

4. Which blood type is considered the universal donor for red blood cell transfusions?

A positive B positive O negative AB negative

5. If a person has A antigens and Rh factor on their red blood cells, what is their blood type?

A positive A negative O positive AB positive

6. Which antibodies are present in the plasma of a person with O positive blood?

Anti-A and Anti-B Anti-A only Anti-B only No antibodies

7. A pregnant mother is Rh-negative and her baby is Rh-positive. What condition can arise?

Sickle cell anemia Hemophilia Erythroblastosis fetalis Thalassemia

8. Blood type inheritance follows which pattern?

Incomplete dominance Codominance Dominant-recessive All of the above

9. If a father has AB blood and a mother has O blood, what blood type(s) can their children have?

A or B AB only O only A, B, AB, or O

10. What is the primary function of antigens on the surface of red blood cells?

Oxygen transport Immune recognition Clotting initiation Nutrient absorption

11. Which component of blood contains antibodies against blood group antigens?

Red blood cells White blood cells Platelets Plasma

12. A person with B negative blood lacks which antigen(s)?

A antigen and Rh factor B antigen only A antigen and B antigen Rh factor only

13. What is agglutination in the context of blood transfusions?

Blood clotting Red blood cell lysis Clumping of red blood cells Swelling of blood vessels

14. The Rh blood group system is named after which animal?

Rabbit Rhesus monkey Rat Reindeer

15. How many common ABO blood types are there?

2 4 6 8

16. A person with A negative blood can receive blood from which of the following donors?

A positive O positive O negative B negative

17. If a person's red blood cells agglutinate with Anti-B serum but not with Anti-A serum, what is their ABO blood type?

Type A Type B Type AB Type O

18. Which of the following is NOT a possible blood type for the child of two parents, both with AB blood?

A positive B positive AB positive O positive

19. What does the "Rh" in Rh factor stand for?

Renal Receptor Rhesus Resistance

20. The presence of what on the red blood cell surface determines if a person is Rh positive?

A antigen B antigen Rh antigen (D antigen) All of the above

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