What is the infective stage for Taenia saginata?
A. Egg
B. Adult
Cysticercus
D. Cercaria
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Which of the following cells down-regulates cellular immune response?
A. Th1 cell
B. DC
C. NK cell
D. Treg
E. B cell
Cells that secrete perforin and granzyme are
A. CTLs and B cell
B. CTLs and NK cells
C. B cells and NK cells
D. CTLs and macrophages
E. B lymphocytes and macrophages
Which of the following is caused by type I hypersensitivity?
A. Hyperthyroidism
B. Urticaria (荨麻疹)
C. Serum Diseases
D. Contact dermatitis
E. Blood transfusion reaction
Complement-mediated hypersensitivity reactions include
A. Only type II hypersensitivity
B. Only type III hypersensitivity
C. Type I, II and III hypersensitivity reactions
D. Type IV hypersensitivity
E. Type II and Type III hypersensitivity reactions
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