Which of the following types of fire doors are commonly used to protect an opening in a fire wall in an industrial occupancy?

A disease that has a sudden onset is called:

a. chronic. c. insidious. b. acute. d. abrupt.

Pneumococcal vaccines are indicated for which of the following individuals? 1. 65-year-old individual 2. Respiratory therapist 3. Individual with chronic heart disease 4. Individual with glaucoma

a. 1, 2, and 3 only b. 2 and 4 only c. 1 and 2 only d. 3 and 4 only