Why must the open areas around a smoke ejector be properly sealed?
A. To prevent expelling fire gases from the building.
B. To prevent air from recirculating back into the building.
C. To prevent smoke from being exhausted through the roof.
D. To prevent overheating of the smoke ejector and causing a fire.
B
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Of the following airway devices, which one is most likely to provide a secure airway by isolating the trachea after insertion?
A) Laryngeal Mask Airway B) King LT Airway C) Oropharyngeal Airway D) Esophageal Tracheal Combitube
The main goal of a pulse-demand oxygen-delivery system is which of the following?
1. To provide oxygen only during expiration 2. To provide oxygen only during inspiration 3. To deliver oxygen to the patient only after a sufficient inspiratory effort is made and the de-mand valve opens 4. To deliver oxygen at a preset flow rate and close during inspiration to conserve oxygen a. 1 and 3 c. 2 and 3 b. 2 and 4 d. 1 and 4