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Home Q & A Board Biology-Related Homework Help Medicine Emergency Medical Care
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madisenjames madisenjames
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6 years ago
A HAFOE (high air flow with oxygen enrichment) mask is set at 50. What is the air-to-oxygen entrainment ratio?
 A) 1:1
  B) 1.7:1
  C) 3:1
  D) 4:1


Q. 2  A HAFOE (high air flow with oxygen enrichment) mask is operating at 50, and the oxygen flowmeter is set at 15 L/min. What is the total flow to the patient?
 A) 16 L/min
  B) 31 L/min
  C) 41 L/min
  D) 51 L/min


Q. 3  A HAFOE (high air flow with oxygen enrichment) mask is set at 40, and the oxygen flowmeter is running at 6 L/min. What is the total flow to the patient?
 A) 6 L/min
  B) 18 L/min
  C) 24 L/min
  D) 30 L/min


Q. 4  At 40, a HAFOE (high air flow with oxygen enrichment) mask is operating with an air-to-oxygen entrainment ratio of:
 A) 1:1
  B) 2:1
  C) 3:1
  D) 4:1


Q. 5  HAFOE (high air flow with oxygen enrichment) masks operate using:
 A) the venturi principle
  B) Bernoulli's principle
  C) viscous shearing and vorticity
  D) none of the above
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amyarango11amyarango11
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6 years ago
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madisenjames Author
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#2
6 years ago
tremendous help
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