Which statement is right about passive immunization?
A. It provides immediate protection
B. It activates B cells.
C. Its protection lasts for whole life.
D. It induces antibody production.
查看答案
Which of the following can be used to determine a pathogen that causes a specific disease?
A. Fleming’s postulates;
B. Paster’s postulates
C. Koch’s postulates;
D. Lister’s postulates;
Which of the following agents can activate protective active immunization?
A. Toxoid
B. Kiled microbes;
C. Human immune globlin;
D. Bacterial Capsule;
Which of the following choices are properties of the active immunization?
A. It can induce antibody secretion;
B. It can provide immediate protection;
C. It can provide long term protection;
D. It is induced by vaccine injection
Toxoid can induce production of antitoxin in a host.
A. 对
B. 错
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