Most humans carry antibodies against the disease Toxoplasmosis

Which of the following events could cause a problem for a self-insured company with no backup plan:

a. Natural disasters b. Company disasters c. An unhealthy year for the employees d. All of the above

Gasses that displace oxygen, such as carbon dioxide and nitrogen, are examples of _____ asphyxiants.

a. Simple b. Terminal c. General d. Chemical