Which of the following statements regarding devices used to operate a fire door is MOST accurate?
A) The simplest device used to operate a fire door is a smoke detector.
B) A fusible link operates as quickly as a device that reacts to smoke.
C) A smoke detector used to operate a fire door permits easy testing of the door.
D) A fusible link is a more expensive operating device than a smoke detector.
C
Health Professions
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Which condition is recognized as one that will affect the ventilation component of the ventilation/perfusion ratio?
A) Blood clot in the pulmonary blood vessels B) Loss of blood plasma from dehydration C) Infection and pus in the distal airways and alveoli D) Decreased amount of hemoglobin in the blood
Health Professions
The spiral-shaped bacterium pictured here is classified as a ________.
A. spirillum B. parasite C. vibrio D. bacillus E. coccus
Health Professions