A partial rebreathing oxygen mask can deliver approximately what range of FIO2?
A) 25-45%
B) 35-55%
C) up to 60%
D) up to 70%
C
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To maintain floors to prevent falls, the facility should:
A. keep floors clean and highly polished. B. maintain no policy on spilled liquids. C. keep floors clean but not highly polished. D. polish floors with special brands.
You are asked to speak to a college group that is planning a ski trip to the Alps. In order to help them plan for reducing their risks for developing altitude-related illnesses, you suggest all of the following except:
a. plan a layover day at between 6,000 feet and 8,000 feet. b. drink 3–4 quarts of fluid a day. c. do a lot of heavy physical exertion early in the trip to help them acclimate. d. sleep at an elevation that is lower than where they will be skiing.
A ventilator's pressure waveform changes when a patient's lung mechanics change, but its vol-ume waveform remains the same. The device does not directly control the delivered volume. What is this ventilator?
a. Volume controller b. Pressure controller c. Time controller d. Flow controller
Psoriasis is characterized by episodes of redness, itching, and dry scales on the skin, which are typically silvery and thick.
Answer the following statement true (T) or false (F)