题目内容

Bacteria invade the blood and in which a large number of breeding, resulting in toxic metabolites, causing serious damage to the body ()

A. Septicemia
B. toxemia
C. bacteremia
D. Pyemia
E. none of the above

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Which antibiotic should be preferred to treat the infection of streptococci? ()

A. strptomycin
B. penicillin
C. metronidazole
D. erythromycin
E. none of the above

Staphylococcus aureus has been linked to all of the following conditions EXCEPT ()

A. scalded skin syndrome
B. toxic shock syndromes
C. boils and pimples
D. scarlet fever
E. none of the above

Which enzyme is not produced by group A streptococcus ()

A. hyaluronidase
B. coagulase
C. streptokinase
D. streptodornase
E. none of the above

All of the followings are main antigens of enteric bacilli except ()

A. O antigen
B. H antigen
C. capsular antigen
D. spore antigen
E. none of the above

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