题目内容

Which enzyme released by streptococcus can make a gap between the cells in the matrix, facilitating bacterial spread?

A. hyaluronidase,
B. streptodornase ,
Coagulase
D. streptokinase,

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Which virulent molecule is associated with the infection of temperate phage in streptococcus?

A. Streptolysin.,
B. streptodornase,
C. pyrogenic exotoxins ,
D. hyaluronidase,

Your patient has subacute bacterial endocarditis caused by a member of the viridans group of streptococci.Which one of the following sites is MOST likely to be the source of the organism?

A. Colon
B. Skin
C. Oropharynx
D. Urethra

ASO test is applied to make a diagnosis for infection of -----?

A. Streptococcus pneumonia,
B. streptococcus pyogenes
C. Staphylococcus aureus
D. streptococcus viridans.

Word中,按下Ctrl键再用鼠标拖动已选定文本执行的是( )​

A. 剪切操作
B. 移动操作
C. 粘贴操作
D. 复制操作

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