Once a firefighter completes the academy, his/her training is complete

Which of the following is a numbering system in which a new number is assigned for each admission or ED visit?

A) Unit numbering B) Serial numbering C) Family numbering D) Serial-unit numbering E) Admission numbering

The first noninvasive computer-based body and brain scanner was ____

A) computerized tomography B) magnetic resonance imaging C) positron emission tomography D) ultrasonography