Question 1

A patient with blood type B is in need of a transfusion. Which of the following blood types can safely be donated to this patient, and why?

Accepted Answer

Type O, because it has no A or B antigens and will not be attacked by the recipient's anti-A or anti-B antibodies.

Question 2

Which of the following best explains why a person with type AB blood is considered a universal recipient?

Accepted Answer

They lack both anti-A and anti-B antibodies, so they will not attack any donor blood antigens.

Question 3

A woman with blood type O negative is pregnant with a fetus who is Rh positive. Which of the following best describes the risk to the fetus in subsequent pregnancies?

Accepted Answer

The mother may develop anti-Rh antibodies after exposure, which can cross the placenta and attack the fetal red blood cells in future pregnancies.

Question 4

Which of the following statements about antigens and antibodies in blood typing is correct?

Accepted Answer

Antigens are found on the surface of red blood cells, while antibodies are found in the plasma.

Question 5

A patient with type A blood has which of the following combinations of antigens and antibodies?

Accepted Answer

A antigen on RBCs, anti-B antibodies in plasma

Question 6

If a person with type O blood receives a transfusion of type AB blood, what is the most likely outcome?

Accepted Answer

A severe transfusion reaction, because type O blood has both anti-A and anti-B antibodies that will attack the donor's red blood cells.

Question 7

Which equation correctly represents the possible genotypes for a person with blood type B?

Accepted Answer

$$BB or$$ $$BO$$

Question 8

A patient is described as having anti-B antibodies in their plasma. Which blood type(s) could they safely receive?

Accepted Answer

Type A and O

Question 9

A person with blood type AB negative needs a transfusion. Which of the following blood types is NOT safe to give them?

Accepted Answer

B positive

Question 10

Which of the following best explains why type O negative blood is considered the universal donor?

Accepted Answer

It has no A, B, or Rh antigens, so it will not be attacked by any recipient's antibodies.

Question 11

A newborn develops hemolytic disease of the newborn (HDN). Which of the following maternal and fetal blood type combinations is most likely responsible?

Accepted Answer

Mother is Rh negative, fetus is Rh positive

Question 12

Which of the following is true regarding the development of anti-Rh antibodies?

Accepted Answer

They develop only after exposure to Rh positive blood in Rh negative individuals.

Question 13

A patient with blood type AB negative has which antigens and antibodies present?

Accepted Answer

A and B antigens, no Rh antigen, no anti-A or anti-B antibodies

Question 14

If a person with type B negative blood receives type B positive blood, what immune response is most likely to occur?

Accepted Answer

The recipient may develop anti-Rh antibodies and attack the donor's red blood cells.

Question 15

Which of the following best describes the antibody profile of a person with type O blood?

Accepted Answer

Anti-A and anti-B antibodies

Question 16

A patient with type AB positive blood needs a transfusion. Which of the following blood types can they safely receive?

Accepted Answer

A positive, B positive, AB positive, O positive, and all negative types

Question 17

Which of the following scenarios would most likely result in agglutination (clumping) during a blood transfusion?

Accepted Answer

Transfusing type A blood into a type B recipient

Question 18

A person with genotype $$AO$$ will have which blood type and which antibodies?

Accepted Answer

Type A blood, anti-B antibodies

Question 19

Which of the following best explains why O negative blood is used in emergencies before blood typing results are available?

Accepted Answer

It lacks A, B, and Rh antigens, so it is unlikely to cause an immune reaction in any recipient.

Blood Typing, Antigens, Antibodies, and the Rh Factor

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