ch 17 & 18: immunization, serology, immune disorders
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