The primary toxin associated with invasive Clostridium perfringens infection is
A: neuraminidase
B: alpha toxin
C: hyaluronidase
D: coagulase
A: neuraminidase
B: alpha toxin
C: hyaluronidase
D: coagulase
举一反三
- All<br/>of the following are invasive enzymes except () A: lysozyme B: hyaluronidase C: serum coagulase D: collagenase E: streptokinase
- The following belong to the protein classification is ( ). A: toxin B: enzyme C: antibiotic D: structural protein
- The following are not animal poisons A: Tetrodotoxin B: Boao element C: Toad toxin D: Nux vomica
- Which one is not classified as the animal poison? A: Cantharidin B: Tetrodotoxin C: Aconitum D: Toad toxin
- The pathogenicity of bacterium is determied mainly by ( ) A: basic structure B: specific structure C: catabolin D: invasiveness and toxin E: invade position