If meningitis can be caused by scraping oneself on a contaminated object, then meningitis can be caused by what?

Answer choices:
- getting too cold after a shower
 - decomposing dead organisms
 - staying up too late when sick
 - influenza orthomyxoviruses
 - scraping oneself on a contaminated object
 - Microscopic organisms
 - smallest agents of disease
 - bruising oneself after a fall

 

     scraping oneself on a contaminated object     