__________ a medical emergency during which blood supply to the heart is interrupted, causing the cells of the affected part of the heart to die; more commonly known as a heart attack

You will frequently be called upon to deal with internal bleeding. Blunt trauma is the leading cause of internal injuries and bleeding. Which of the following are mechanisms of blunt trauma that may cause internal bleeding?

1. Falls 2. Motor vehicle or motorcycle crashes 3. Auto-pedestrian collisions 4. Blast injuries A) 1, 2, 3 B) 1, 2, 3, 4 C) 1, 4 D) 2, 3

The responsibility for water supply distribution systems may rest with all of the following EXCEPT the:

A. facility owner. B. fire department. C private company. D. private utility association.