ch 17 & 18: immunization, serology, immune disorders

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What are the maternal antibodies that cross the placenta and lead to the development of hemolytic disease in a newborn? a. IgG b. IgM c. IgD d. IgA

a. IgG

If a child's thymus gland fails to develop properly, this can lead to a deficiency in ________. a. T cells b. B cells c. monocytes d. antigen-presenting cells

a. T cells

What is the name of a substance added to a vaccine to increase its antigenicity? a. adjuvant b. attenuation c. subunit d. toxoid

a. adjuvant

The administration of antivenom (antivenin) to snakebite victims is an example of ________. a. active immunotherapy b. passive immunotherapy c. vaccination d. combination vaccination

b. passive immunotherapy

Children that cannot produce B cells or T cells have ________. a. DiGeorge syndrome b. severe combined immunodeficiency syndrome c. Bruton-type agammaglobulinemia d. acquired immunodeficiency syndrome

b. severe combined immunodeficiency syndrome

If a patient sample has a high titer against a virus in the virus neutralization test, what can you conclude? a. The sample contains a large number of virus particles. b. The sample contains a low number of virus particles. c. The sample contains a high concentration of virus antibodies. d. The sample contains a low concentration of virus antibodies.

c. The sample contains a high concentration of virus antibodies.

What happens if a blood transfusion recipient has preexisting antibodies to foreign blood group antigens? a. Transfused cells circulate and function normally. b. hemolysis c. blood clotting d. both b and c

d. both b and c

All of the following are possible after receiving a vaccination EXCEPT ________. a. immunity b. pain at injection site c. development of disease d. immunosuppression

d. immunosuppression


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