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Author Question: Helium must always be combined with at least how much O2? a. 20 b. 30 c. 40 d. ... (Read 37 times)

Chloeellawright

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on: Jul 16, 2018
Helium must always be combined with at least how much O2?
 
  a. 20
  b. 30
  c. 40
  d. 50

Question 2

If you have to deliver medical gas to a patient from a compressed gas cylinder, which of the fol-lowing devices would you select to control gas flow?
 
  a. Regulator
  b. O2 blender
  c. Reducing valve
  d. Flowmeter


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aprice35067

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
He must always be combined with at least 20 O2. The higher the concentration of O2 used in a heliox mixture, the less likely it is that heliox would be beneficial. Heliox mixtures of less than 60 He are rarely used clinically.

Answer to Question 2

ANS: D
If the goal is to control gas delivery to a patient for O2 therapy or nebulized medication (see Chapters 36 and 38), a flowmeter must also be used.


Chloeellawright

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Reply 2 on: Jul 16, 2018
:D TYSM

atrochim

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Reply 3 on: Yesterday
Wow, this really help

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