Antimicrobial Susceptibility test using disk diffusion method shows that the diameter of inhibition zone is 20mm for gentamicin, 7mm for cephalosporin. Which statement is right?
A. The tested bacteria is resistant to Gentamicin, susceptible to cephalosporin
B. The tested bacteria is susceptible to cephalosporin and Gentamicin
C. The tested bacteria is resistant to cephalosporin and Gentamicin;
D. The tested bacteria is resistant to cephalosporin, susceptible to Gentamicin;
查看答案
Which of the following methods is the active immunization?
A. injection with gamma-globulins
B. transfer of IgG from mother to fetus
C. injection of toxoid
D. transfer of colostral IgA from mother to baby
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.
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;