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Biology-Related Homework Help Emergency Medical Care Topic started by: tameeka314 on Feb 25, 2018



Title: If a Venturi mask is set at 28 and the liter flow is set above the set liter flow prescribed on the ...
Post by: tameeka314 on Feb 25, 2018
If a Venturi mask is set at 28 and the liter flow is set above the set liter flow prescribed on the device, what FIO2 is being delivered?
 
  a. 28
  b. 32
  c. 100
  d. 80



Q. 2  In theory, a nasal cannula can deliver what amount of FIO2 to a patient?
 
  a. 0.24 to 0.60 c. 0.24 to 1.00
  b. 0.24 to 0.36 d. 0.24 to 0.44



Q. 3  High-flow devices include which of the following? 1. Nasal cannula 2. Venturi mask 3. Mask with reservoir bag 4. Oxygen hoods
 
  a. 1 and 2 c. 3 and 4
  b. 2 and 3 d. 2 and 4



Q. 4  A patient with chronic bronchitis comes to your emergency department; she is discovered to have a pulse oximetry oxygen saturation (SpO2) of 78 with room air. On the basis of these data, which oxygen-delivery device would you use with the patient?
 
  a. 6-L nasal cannula c. Simple mask
  b. Transtracheal cath-eter d. Venturi mask



Q. 5  If the air-entrainment port on a Venturi mask is occluded, which of the following will happen? 1. A decrease in flow 2. A decrease in FIO2 3. An increase in flow 4. An increase in FIO2
 
  a. 1 and 2 c. 1 and 4
  b. 1 and 3 d. None of the choices


Title: If a Venturi mask is set at 28 and the liter flow is set above the set liter flow prescribed on the ...
Post by: Lewibr02 on Feb 25, 2018
(Answer to Q. 1)  ANS: A
The flow of oxygen to the nozzle is constant, so an obstruction will increase the FIO2 but not the flow.

(Answer to Q. 2)  ANS: D
The FIO2 levels delivered by a nasal cannula vary with the flow rate setting. Generally, the FIO2 increases by about 4 for each liter of flow increase beginning with 1 L/min delivering approxi-mately 24 oxygen.

(Answer to Q. 3)  ANS: D
High-flow devices are also called fixed-performance devices because they provide oxygen at flow rates high enough to completely satisfy a patient's inspiratory demands. These high-flow oxy-gen-delivery devices include air-entrainment masks (Venturi masks), incubators, oxygen tents, oxygen hoods, and high-volume aerosol devices.

(Answer to Q. 4)  ANS: D
A patient with chronic obstructive pulmonary disease requires a precise FIO2 because of carbon dioxide (CO2) retention issues. The only precise FIO2 device is a Venturi mask, which is consid-ered a high-flow device.

(Answer to Q. 5)  ANS: C
Partial obstruction of oxygen flow downstream of the jet orifice or partial obstruction of the en-trainment ports will decrease the amount of room air entrained, thus raising the FIO2 of the deliv-ered gas.


Title: If a Venturi mask is set at 28 and the liter flow is set above the set liter flow prescribed on the ...
Post by: tameeka314 on Feb 25, 2018
This calls for a celebration :raised_hands:


Title: If a Venturi mask is set at 28 and the liter flow is set above the set liter flow prescribed on the ...
Post by: Lewibr02 on Feb 25, 2018
I get paid? lol

My pleasure