Room and board is reported in units of days.

Which of the following statements about dry-pipe sprinkler systems is MOST accurate?

A. Dry-pipe systems require pressurized air or nitrogen to hold dry-pipe valves open. B. A disadvantage of dry-pipe systems is that they do not signal an alarm when discharged. C. Normally, the air-pressure gauge and water-pressure gauge should show the same pressure reading. D. Accelerators and exhausters are quick-opening devices that allow air to exit and water to enter the pipes quickly.

If health care providers show up to work in shape:

A) they are less likely to get hurt. B) their patient care will be better. C) they will be able to tolerate higher call volumes. D) sleep deprivation will not affect them.