When troubleshooting a pulse demand oxygen device, you should check:
I. the oxygen cylinder for sufficient pressure
II. the battery for proper voltage (charge)
III. the battery for proper installation
IV. the cannula for kinks or obstructions
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
D
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Which of the following BEST describes SCBA safety precautions to take in an IDLH atmosphere?
A. Work in teams of two or more B. Check air supply when there is down time C. Remove SCBA if atmosphere appears safe D. Exit IDLH atmosphere after low air alarm activates
A partial-thickness burn is considered to be critical if it:
A) occurs in any patient over the age of 45 years. B) is located to the proximal aspect of an extremity. C) is rated as at least a 5 on a pain scale of 0 to 10. D) involves more than 30% of the body surface area.