Which of the following is not a natural defense of the skin?

Measles is the leading cause of vaccine-preventable death among children. 

__________________ occurs when an endospore enters through a cut or scrap on the skin, usually from handling infected animals or contaminated animal products like wool, hides, or hair. 

Clostridium tetani causes tetanus due to the tetanus toxin. What type of toxin is the tetanus toxin?

Which of the following disease(s) are caused by neurotoxins? 

Koplik’s spots appear during which infection?

If exposed to exotoxins, the hot can generate antibodies against the toxin which are called______________. 

Patient came in contact with an armadillo and now has a slow progressing skin rash consising of raised bumps on the hands and feet with loss of sensation. The most likely cause of the rash is _______________. 

Tetanospasmin, a toxin produced by Clostridium tetani, causes tetanus by acting on neurons in the ________________to block the relaxation of muscles.

Which of the following is NOT an enzyme associated with Staphylococcus aureus pathogenicity?