Oxygen Delivery Devices Exam Questions with Correct Answers
(Grade A+)
Question 1: Nasal Cannula FIO2 Delivered
Answer: 1 L/min: 24% 2 L/min: 28% 3 L/min: 32% 4 L/min: 36% 5 L/min: 40% 6 L/min: 44%
Question 2: Nasal Cannula Advantages
Answer: -Safe and simple -Easily tolerated -Delivers low concentrations while allowing patients to eat,
speak, and drink -Does not impede eating or talking -Disposable
Question 3: Nasal Cannula Disadvantages
Answer: -Unable to use with nasal obstruction -Drying to mucous membranes, so flow greater than 4 L/min
needs to be humidified -Can dislodge from nares easily -Causes skin irritation or breakdown over ears or at
nares -Not good for mouth breathers -Patient's breathing pattern affects exact FIO2
Question 4: Transtracheal Oxygen Cannula FIO2 Delivered
Answer: Ranges from 1/4 to 4 L/min and ranges from 22% to 45%
Question 5: Transtracheal Oxygen Cannula Advantages
Answer: -Small intravenous-size catheter inserted directly into trachea that provides individualized delivery
for patients with chronic lung disease -More comfortable and cosmetic than nasal cannula -Provides
adequate oxygen to lower flow rates; thus less expensive
Question 6: Transtracheal Oxygen Cannula Disadvantages
Answer: -Requires more monitoring and has more complications -Patient needs to be educated on cleaning
of catheter to prevent infection
Question 7: Simple Face Mask FIO2 Delivered
Answer: 5-6 L/min: 40% 6-7 L/min: 50% 7-8 L/min: 60% >8 L/min: 60%
Question 8: Simple Face Mask Advantages
Answer: -Assists in providing humidified oxygen
Question 9: Simple Face Mask Disadvantages
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(Grade A+)
Question 1: Nasal Cannula FIO2 Delivered
Answer: 1 L/min: 24% 2 L/min: 28% 3 L/min: 32% 4 L/min: 36% 5 L/min: 40% 6 L/min: 44%
Question 2: Nasal Cannula Advantages
Answer: -Safe and simple -Easily tolerated -Delivers low concentrations while allowing patients to eat,
speak, and drink -Does not impede eating or talking -Disposable
Question 3: Nasal Cannula Disadvantages
Answer: -Unable to use with nasal obstruction -Drying to mucous membranes, so flow greater than 4 L/min
needs to be humidified -Can dislodge from nares easily -Causes skin irritation or breakdown over ears or at
nares -Not good for mouth breathers -Patient's breathing pattern affects exact FIO2
Question 4: Transtracheal Oxygen Cannula FIO2 Delivered
Answer: Ranges from 1/4 to 4 L/min and ranges from 22% to 45%
Question 5: Transtracheal Oxygen Cannula Advantages
Answer: -Small intravenous-size catheter inserted directly into trachea that provides individualized delivery
for patients with chronic lung disease -More comfortable and cosmetic than nasal cannula -Provides
adequate oxygen to lower flow rates; thus less expensive
Question 6: Transtracheal Oxygen Cannula Disadvantages
Answer: -Requires more monitoring and has more complications -Patient needs to be educated on cleaning
of catheter to prevent infection
Question 7: Simple Face Mask FIO2 Delivered
Answer: 5-6 L/min: 40% 6-7 L/min: 50% 7-8 L/min: 60% >8 L/min: 60%
Question 8: Simple Face Mask Advantages
Answer: -Assists in providing humidified oxygen
Question 9: Simple Face Mask Disadvantages
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