Which of the following is a potentially life-threatening condition involving the head, neck, face, and upper airway?

Fire escape slides must be of an approved type and rated at one exit unit per slide with a rated capacity of ____ persons.

A. 20 B. 30 C. 50 D. 60

 An allied health-care professional who prepares frozen sections of dissected body tissues is a 

A. certified laboratory assistant. B. phlebotomist. C. pathologist's assistant. D. physician's assistant.