Oxygen Therapy Devices Practice Test

These questions are part of the practice quiz. Start practicing

• What is a true statement about a simple oxygen mask?
• Which statement about reservoir cannulas is true?
• Which mask is described as having an innovative open mask design?
• Which is a pro of using a partial rebreathing mask compared with a simple mask?
• Which color-coded nozzle corresponds to 2 LPM on a venti mask?
• What length is typical for nasal catheter tubing?
• Which statement is true about nasal cannula usage regarding sterilization?
• Which color corresponds to 12 LPM on a venti mask?
• Which statement correctly describes entrainment effects across venti mask/LVN and HFNC as oxygen concentration increases?
• Which device allows very precise, stable FiO2 by varying the port size?
• Which feature helps prevent CO2 rebreathing in the OxyMask?
• Which statement about FiO2 with OxyMask is true?
• Which PaO2 range corresponds to moderate hypoxemia?
• Humidification with high-flow devices is not provided through which interface?
• Venturi mask ports include which features?
• Which statement about the face tent is true?
• Which color corresponds to 4 LPM on a venti mask?
• Which devices are considered reservoir systems?
• What happens to FiO2 in low flow oxygen devices when inspiratory volume increases?
• High-flow devices are typically used in which scenario?
• What is the typical flow range for a nasal catheter?
• Which statement best describes nasal cannula usage?
• Oxygen therapy aims to prevent or minimize what aspect of the body's response to hypoxemia?
• What is the minimum flow for a simple oxygen mask?
• Which feature helps stabilize a nasal cannula on the head?
• Low-flow oxygen delivery humidification is typically described as:
• What is the flow range for the OxyMask?
• Which statement best describes the reason for using higher flow with a simple mask?
• Which is a disadvantage of using a nasal catheter for oxygen delivery?
• What is the approximate FiO2 with nasal prongs at 2 liters per minute?
• Why does a simple oxygen mask require a minimum flow of at least 5 L/min?
• What is the minimum flow requirement to keep the reservoir bag inflated for partial rebreathing or non-rebreathing masks?
• Which statement correctly describes nasal catheter placement?
• Which statement best describes a compensatory response to hypoxemia?
• The entrainment port size and the amount of air entrainment are...
• Jet nozzle size in entrainment systems can be fixed or interchangeable.
• In a partial rebreathing mask, approximately what fraction of the exhaled gas fills the reservoir during exhalation?
• What is the maximum flow for the AIRVO2 system?
• What is the approximate FiO2 with nasal prongs at 4 liters per minute?
• What is the typical flow rate for a transtracheal catheter?
• In a large volume nebulizer, which adjustment controls the FiO2 by changing the entrainment window?
• Which is another goal of oxygen therapy besides correcting acute hypoxemia?
• What is the primary function of reservoir systems in oxygen therapy?
• In an entrainment system, increasing the amount of entrainment would most likely cause FiO2 to:
• Why do transtracheal catheters require lower oxygen flows than nasal prongs?
• At 7–8 L/min, what approximate FiO2 does a simple mask provide?
• Why must the entrainment port remain open on a venti mask?
• Which patient best fits the use of a non-rebreather mask?
• What is the minimum recommended flow for a large-volume nebulizer circuit, typically expressed in liters per minute?
• Which features characterize the oxyhood?
• At 9–10 L/min, what approximate FiO2 does a simple mask provide?
• What gases are used in high-flow devices to achieve a precise FiO2?
• Which devices are examples of high flow nasal cannula devices?
• Venti mask ports are designed with which features?
• Venti mask FiO2 at 4 LPM is which value?
• Which range best describes the maximum FiO2 achievable with a partial rebreathing mask at typical flow rates?
• The Venti mask uses which principle to mix entrained air with oxygen?
• How is adequate flow in a T-piece determined?
• Aerosol entrainment collar serves what purpose?
• What is the approximate FiO2 at 6 liters per minute?
• What is a limitation of partial rebreathing masks at typical flow rates?
• What is the equipment end of a nasal cannula?
• Nasal and pendant reservoir cannulas conserve O2 at low flow by what percentage?
• Which device is characterized as a high-flow oxygen delivery system?
• What FiO2 range can HFNC provide?
• What is the minimum flow rate required for partial rebreathing and non-rebreathing masks to keep the reservoir bag inflated?
• Which tubing is used to deliver humidified oxygen to a face tent?
• The Misty Ox nebulizer delivers what FiO2 range, and for what type of patients is it intended?
• What are the three basic categories of oxygen therapy devices?
• LVN is used for patients whose upper airways have been bypassed, such as with which devices?
• In what setting are nasal and pendant reservoir cannulas used?
• The amount of air entrainment depends on which factors?
• Which of the following lengths are standard for nasal cannula tubing?
• What is a disadvantage of pendant reservoir cannula?
• Which therapy is used to treat croup?
• In a T-piece oxygen delivery setup, where is the T-piece typically attached?
• What are the primary types of large-volume nebulizers used clinically?
• Where should the end of a nasal catheter be located for proper oxygen delivery?
• In low-flow oxygen delivery, the total flow is typically described as which?
• High flow systems are characterized by?
• What best describes a high flow nasal cannula system?
• In high-flow nasal cannula (HFNC), as oxygen concentration increases, what happens to flow?
• What is the length of the nasal cannula tips?
• Which device is an air entrainment mask?
• Which statement best describes low flow oxygen devices?
• Which statement best describes LVN ports?
• The Venti mask operates on which principle?
• Which statement best describes high flow oxygen devices?
• What factors determine the actual FiO2 delivered by an oxygen delivery device?
• What is the average capacity of the anatomical reservoir in an adult?
• HAFOE stands for?
• The OxyMask delivers FiO2 in what range?
• What is the purpose of an oxygen tubing connector?
• What happens to room air during NRB use?
• Velocity of source gas and entrainment relationship?
• Which factor affects oxygen delivery with high-flow devices?
• Which statement about transtracheal catheters compared to nasal prongs is true?
• In an entrainment nebulizer setup, which component connects to the flow meter via DISS then supplies gas to the aerosol mask or face piece?
• High-flow devices total flow can reach up to how many liters per minute?
• What is the FiO2 at 5 liters per minute with nasal prongs?
• Connectors in ventilatory circuits are used to do what?
• How often should a nasal catheter be switched from nare to nare to prevent irritation?
• What FiO2 range can a nasal catheter deliver?
• FiO2 and entrainment relationship?
• What is the directional flow feature of the OxyMask?
• In low-flow oxygen delivery systems, which factor most affects the actual delivered oxygen concentration?
• What is the FiO2 at 6 liters per minute with nasal prongs?
• What is the approximate FiO2 with nasal prongs at 3 liters per minute?
• What determines the oxygen concentration on a Venturi mask?
• Which statement about high-flow devices' total flow is correct?
• Which statement describes the relationship between flow and FiO2 for nasal prongs?
• Transtracheal catheter FiO2 range?
• How is temperature maintained in an LVN system?
• During inhalation on an NRB, which valve is open to allow uptake from the bag?
• Which factor directly determines the delivered oxygen concentration with nasal prongs?
• What is the main difference between a nasal reservoir cannula and a pendant reservoir cannula?
• Inhalation with a non-rebreather mask, which valve configuration is correct?
• Which statement best describes the nasal cannula tip configuration?
• Which of the following is NOT an indication for transtracheal catheter?
• Can the exact FiO2 be determined with a low flow device?
• How does an entrainment nebulizer humidify inspired gas?
• Where should you place an O2 analyzer to accurately assess FiO2?
• Which statement explains why flow rate can be higher with a simple mask compared with a nasal cannula?
• What issue can moisture cause NRB valves?
• Which PaO2 range corresponds to mild hypoxemia?
• What does a reservoir cannula do?
• What FiO2 range can transtracheal catheters deliver?
• Venti mask FiO2 at 2 LPM is which value?
• Venti mask FiO2 at 12 LPM is which value?
• During exhalation with a non-rebreather mask, which valve configuration is correct?
• In LVN, temperature is maintained by which method?
• If the oxygen flow to an NRB fails, what does the patient begin to breathe?
• How does oxygen therapy correct hypoxemia?
• Nasal cannula tips can be configured in which ways?
• Which of the following is listed as an advantage of nasal prongs?
• What design feature is referred to as 'star lumen' in nasal cannula tubing?
• Jet nozzle size and entrainment relationship?
• AEM stands for?
• Which statement best describes high-flow oxygen therapy devices?
• Which PaO2 range defines severe hypoxemia?
• Which of the following is NOT an indication for transtracheal catheter?
• In a large-volume nebulizer, which adjustment controls FiO2 by changing entrainment?
• Which color corresponds to 6 LPM on a venti mask?
• Anatomical reservoir in low flow oxygen therapy is best described as:
• LVN is indicated when upper airways have been bypassed; example is which?
• HFNC typically operates at what flow and relative humidity to be well tolerated?
• In a T-piece, what is the purpose of the open end?
• Low-flow oxygen devices are typically used for which purpose?
• What is the function of the one-way valve on the non-rebreather mask?
• What is the maximum flow level for comfort in nasal prongs?
• What material are nasal cannula tubing made from?
• In an infant incubator, what largely determines the FiO2 delivered?
• What is the gas source for low-flow oxygen delivery devices?
• What is a primary goal of oxygen therapy?
• What FiO2 range is typical for a non-rebreather mask?
• Which nebulizer is typically used for chronically ill patients to wean to a lower FiO2?
• Venti mask FiO2 at 6 LPM is which value?
• In a venti mask/LVN entrainment system, what happens to total flow as the oxygen flow increases?
• Which device is the T-piece attached to?
• What is the primary purpose of humidifying oxygen for patient delivery?
• Is it advisable to connect entrainment devices to a humidifier unit?
• What is considered normal PaO2 on room air with SpO2 typically 95-98%?
• Where is a transtracheal catheter placed?
• Which FiO2 value may be achieved at 8 LPM on a venti mask?
• What is the approximate FiO2 with nasal prongs at 1 liter per minute?
• What is a key limitation of non-rebreather masks?
• What differentiates a non-rebreather mask from a simple partial rebreathing mask?
• Which of the following is a venti mask part?
• Which device uses soft plastic tubing less than 1 meter long with several small holes near the tip?
• Which statement is an indication for transtracheal catheters?
• Reservoir systems are designed to?
• At a flow of 5–6 L/min, what approximate FiO2 does a simple mask provide?
• What describes an anesthesia circuit in terms of reservoir systems?
• What should the venti mask total flow be relative to the patient’s inspiratory demand?
• Which term describes oxygen tension in arterial blood that is below normal?
• Where is a transtracheal catheter placed?
• What FiO2 range does the yellow top nebulizer produce, and what patient population is it typically used for?
• Low flow devices have which characteristic?
• Which description best explains how a partial rebreathing mask delivers oxygen?
• What is true about entrainment devices when there is downstream back pressure?