What NFPA standard governs self-contained breathing apparatus?

It is clear from the statistics and information that a large number of firefighters who suffer a heart attack during emergency operations had known existing heart conditions. Is this statement true or false?

A) True B) False

Which of the following conditions places the patient at risk for the development of a malignan-cy?

a. Desmoplastic fibroma b. Odontogenic myxoma c. Paget's disease d. Cementoblastoma e. All the above