Which is the pathogenesis of tetanus? ()
A. causing septicemia
B. causing endotoxin shock
C. hemolysin invade central nervous system and cause disease
D. tetanospasmin spread along central nervous system
E. none of the above
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Food poisoning caused by botulinum toxin is characterised by ()
A. circulatory system symptoms
B. urinary system symptoms
C. nervous system symptoms
D. respiratory system symptom
E. none of the above
MAC is composed of ()
A. C 5b6789n
B. C 1245
C 5236789
D. C 14235
E. C 12435
Which is correct about peripheral immune organ ()
A. It is also called secondary immune organ
B. It is the place where NK cell located
C. It is the place where RBC located
D. It is the place where immune response located
E. It includes spleen. liver and mucosal immune system
C3a and C5a can promote ()
A. bacterial lysis
B. vascular permeability
C. phagocytosis of IgE-coated bacteria
D. aggregation of C4 and C2
E. Tumor