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Questions and Answers
What is a disadvantage of using a reservoir cannula?
What is a disadvantage of using a reservoir cannula?
- Provides oxygen on demand
- Delivers oxygen continuously
- Senses negative effort by the patient
- Unattractive (correct)
What distinguishes a demand flow cannula from other cannulas?
What distinguishes a demand flow cannula from other cannulas?
- Provides similar FiO2 as when using 2 L/min with regular nasal cannula
- Provides oxygen on demand
- Waits for you to take a breath in and then delivers the oxygen (correct)
- Delivers oxygen continuously
What is a key advantage of using a demand flow cannula?
What is a key advantage of using a demand flow cannula?
- Lower oxygen use and cost
- Provides 'pulsed-dose' following patient effort
- Increased mobility
- Attempts to conserve oxygen (correct)
What is the flow range for low flow nasal cannulas in adults?
What is the flow range for low flow nasal cannulas in adults?
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What is the primary disadvantage of low flow nasal cannulas?
What is the primary disadvantage of low flow nasal cannulas?
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Which type of reservoir cannula reduces O2 use by approximately 50%?
Which type of reservoir cannula reduces O2 use by approximately 50%?
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What is the reason for achieving high flow rates with a demand flow cannula?
What is the reason for achieving high flow rates with a demand flow cannula?
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What benefit does a demand flow cannula provide for every 10L/min of gas flow?
What benefit does a demand flow cannula provide for every 10L/min of gas flow?
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What is the primary function of an air entrainment blender in a demand flow cannula?
What is the primary function of an air entrainment blender in a demand flow cannula?
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