Anemias appearing in old age result from all of the following EXCEPT:

Anemias appearing in old age result from all of the following EXCEPT:

A) nutritional deficiencies
B) drug therapy
C) leukemia
D) erythrocyte mutations
E) vitamin deficiencies


Answer: d

Compatibility testing for agglutination of donor RBCs by the recipients' serum is called:

Compatibility testing for agglutination of donor RBCs by the recipients' serum is called:

A) blood typing
B) transfusion reaction
C) cross matching
D) hemolysis
E) hemodialysis


Answer: c

Which of these blood types carries no antigens:

Which of these blood types carries no antigens:

A) blood type A
B) blood type B
C) blood type AB
D) blood types A, B, and AB
E) blood type O


Answer: e

The immune serum used to prevent maternal sensitization to Rh antigens is:

The immune serum used to prevent maternal sensitization to Rh antigens is:

A) serotonin
B) interleukin
C) agglutinin
D) RhoGAM
E) HepBIg


Answer: d

Which blood type(s) can a person with blood type O receive:

Which blood type(s) can a person with blood type O receive:

A) blood type A
B) blood type B
C) blood type AB
D) blood type O
E) blood types A, B, AB, or O


Answer: d

ABO blood groups are based on the presence of:

ABO blood groups are based on the presence of:

A) A antigens
B) B antigens
C) O antigens
D) A and B antigens
E) A, B, and O antigens


Answer: d

The universal recipient has blood type:

The universal recipient has blood type:

A) A
B) B
C) AB
D) O
E) ABO


Answer: c

The most common type of blood in the U.S. population is:

The most common type of blood in the U.S. population is:

A) A
B) B
C) AB
D) O
E) AO


Answer: d

Which antigen(s) does type AB blood contain:

Which antigen(s) does type AB blood contain:

A) A antigen
B) B antigen
C) A and B antigens
D) sometimes A antigens, other times B antigens
E) no antigens


Answer: c

The process whereby the binding of antibodies to antigens causes RBCs to clump is called:

The process whereby the binding of antibodies to antigens causes RBCs to clump is called:

A) hemostasis
B) coagulation
C) agglutination
D) clotting cascade
E) hemolysis


Answer: c

A substance that stimulates the immune system to release antibodies:

A substance that stimulates the immune system to release antibodies:

A) antigen
B) antibody
C) interleukin
D) fibrinogen
E) prothrombin activator


Answer: a

Severe shock occurs with blood loss of:

Severe shock occurs with blood loss of:

A) over 5 percent
B) over 10 percent
C) over 20 percent
D) over 30 percent
E) over 50 percent


Answer: d

Treatment of hemophilia often involves:

Treatment of hemophilia often involves:

A) transfusion of plasma and vitamin K supplements
B) injections of missing clotting factors and B12 injections
C) vitamin K supplements only
D) transfusion of plasma or injections of missing clotting factor
E) vitamin K supplements and B12 injections


Answer: d

The organ largely responsible for the synthesis of clotting factors is the:

The organ largely responsible for the synthesis of clotting factors is the:

A) pancreas
B) thyroid
C) liver
D) spleen
E) kidneys


Answer: c

The ion essential for blood clotting is:

The ion essential for blood clotting is:

A) sodium
B) calcium
C) iodine
D) potassium
E) hydrogen


Answer: b

Bleeding disorders often result from a lack of which one of the following vitamins:

Bleeding disorders often result from a lack of which one of the following vitamins:

A) vitamin B12
B) vitamin A
C) vitamin C
D) vitamin D
E) vitamin K


Answer: e

Which of the following is a blood clotting disorder:

Which of the following is a blood clotting disorder:

A) polycythemia
B) hemophilia
C) leukocytosis
D) leukopenia
E) anemia


Answer: b

A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called a(n):

A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called a(n):

A) embolus
B) fibrin
C) thromboplastin
D) thrombus
E) clotting cascade


Answer: a

A __________ clot is formed during the process of hemostasis.

A __________ clot is formed during the process of hemostasis.

A) fibrinogen
B) fibrin
C) prothrombin
D) thrombin
E) thromboplastin


Answer: b

Prothrombin activator coverts prothrombin to:

Prothrombin activator coverts prothrombin to:

A) prothrombin activator
B) thrombin
C) fibrinogen
D) fibrin activator
E) serotonin


Answer: b