Medical Gas Therapy I
.
- 1.What are three designs for O2 delivery systems?
- A.
Low flow systems
- B.
Reservoir systems
- C.
High flow systems
- D.
A & C only
- 2.What are examples of low flow O2 delivery systems? (part of patient's O2 needs)
- A.
Nasal Canula, Regular Mask
- B.
Partial Rebreather Mask,
- C.
Oxymizer
- D.
Non-Rebreather Mask
- 3.High flow nasal canula, Cascade high flow, Passover high flow, Venturie Mask, regular high flow with Aerosol mask
- A.
Examples of High Flow O2 Delivery Systems
- B.
Option 2
- C.
Option 3
- D.
Option 4
- 4.What are three types of O2 delivery masks
- A.
Simple Mask
- B.
Partial Rebreathing Mask
- C.
Non-Rebreathing Mask
- D.
Aerosol Mask
- 5.Generally the best method for delivering controlled O2 to infants
- A.
Simple Mask
- B.
Venti Mask
- C.
O2 hood (Oxyhood)
- D.
All of the above
- 6.If a patient is breathing greater than <25 BPM what O2 Delivery system would you use
- A.
Low flow mask
- B.
Reservoir mask
- C.
High flow mask
- D.
Administer epinephrine
- 7.O2 concentration at a flow equaling or exceeding the patients peak inspiratory flow. As long as the delievered flow exceeds the patients flow
- A.
Low flow mask
- B.
Reservoir mask
- C.
High flow mask
- D.
All of the above
- 8.Write the delievered FIO2 range for a nasal cannula
- A.
35 - 50%
- B.
24 - 44%
- C.
22 - 45%
- D.
37 - 48%
- 9.Write the approximate delivered FIO2 range for a partial rebreather mask
- A.
35 - 50%
- B.
40 - 70%
- C.
21 - 48%
- D.
All of the above
- 10.Write the delivered FIO2 for a nonrebreathing mask
- A.
21 - 80%
- B.
~100%
- C.
60 - 80%
- D.
All of the above
- 11.What most written oxygen therapy order contain?
- A.
Time and Date
- B.
Physician Signature
- C.
Delivery Device
- D.
Flow Rate
- 12.0.24-0.40 dependent on how much room air patient inhales in addition to O2
- A.
Nasal canula (low flow)
- B.
Venturi mask
- C.
Simple mask
- D.
Nasal moustache/oxymizer
- 13.What are some indications of a low flow system
- A.
RR < 25 bpm
- B.
Regular, consistent breathing pattern
- C.
VT between 300-700 mL
- D.
A and B only
- 14.Under what circumstances can a high flow system become a low flow system
- A.
Whenever consistent and predictable FIO2 is required
- B.
When the pts inspiratory flow demands aren't met due to room air entrainment
- C.
When Pt. does not meet low flow criteria
- D.
All of the above
- 15.At low flow reservoir cannulas can reduce what
- A.
O2 use by 30%
- B.
O2 use by 10%
- C.
O2 use by 50% to 75%
- D.
None of the above
- 16.FiO2 is affect by what two factors in low flow systems
- A.
Hb
- B.
PaCO2
- C.
BPM
- D.
LPM
- 17.(low flow) the greater the inspiration flow the
- A.
More air and less FiO2
- B.
Option 2
- C.
Option 3
- D.
Option 4
- 18.The only two low flow system that do not need humidification
- A.
Partial Rebreathing Mask
- B.
Aerosol Mask
- C.
Venturi Mask
- D.
Non Rebreathing Mask
- 19.Patient has a tidal volume of 500 mL and the respiratory rate is regular at 20. What system should they be on?
- A.
Low flow system
- B.
Reservoir system
- C.
High flow system
- D.
All of the above
- 20.Provide supplemental O2 directly to the airway at a flow of 8 L/min or less.
- A.
Low flow systems
- B.
Reservoir systems
- C.
High flow systems
- D.
All of the above
- 21.List three determining factors that qualify patient for a low flow system
- A.
Lab values
- B.
Clinical history
- C.
Bedside patient evaluation
- D.
B and C only
- 22.What was the reservoir cannula designed for?
- A.
To conserve oxygen
- B.
To reduce oxygen
- C.
To add more oxygen
- D.
All of the above
- 23.How far should the Reservoir bag collapse on inspiration
- A.
All the way
- B.
No more than half way
- C.
Should never collapse
- D.
All of the above
- 24.Reservoir Systems include
- A.
Reservoir cannulas
- B.
Simple mask
- C.
Partial rebreathing mask
- D.
Non rebreathing mask
- 25.Reservoir Cannula LPM and FiO2 Range
- A.
21 - 48% @ 5 - 10 Lpm
- B.
22 - 35% @ 1 - 4 Lpm
- C.
28 - 100% @ 12 - 15 Lpm
- D.
All of the above
Back to top