Humidity And Bland Aerosol Therapy
Questions and Answers
- 1.
Conditioning of what types of Gases is accomplished primarily by the nose and upper airway?
- A.
Exhaled
- B.
Oxygen
- C.
Inhaled
- D.
Nitric Oxide
Correct Answer(s)
A. Exhaled
C. InhaledExplanation
The nose and upper airway primarily condition exhaled and inhaled gases. The nose acts as a filter, warming, and moistening the air before it reaches the lungs. It also contains cilia and mucus that trap particles and pathogens, preventing them from entering the respiratory system. The upper airway, including the throat and vocal cords, helps regulate the flow of air and prevents foreign substances from entering the lungs. Therefore, the nose and upper airway play a crucial role in conditioning both exhaled and inhaled gases.Rate this question:
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- 2.
Bypassing the upper airways due to inhaled gas will cause damage to the respiratory tract. What can be provided to prevent this
- A.
Similar levels of Humidity
- B.
Inhaled Gas
- C.
Exhaled Gas
- D.
Similar levels of Heat
Correct Answer(s)
A. Similar levels of Humidity
D. Similar levels of HeatExplanation
In order to prevent damage to the respiratory tract caused by bypassing the upper airways due to inhaled gas, it is important to provide similar levels of humidity and heat. This is because the respiratory tract is sensitive to changes in humidity and temperature. If there is a significant difference in humidity or heat between the inhaled and exhaled gas, it can lead to irritation, inflammation, and potential damage to the respiratory tract. Therefore, maintaining similar levels of humidity and heat helps to ensure the proper functioning and health of the respiratory system.Rate this question:
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- 3.
Gases delivered to the nose and mouth should be conditioned to
- A.
20 C to 22 C
- B.
10 mg/L water vapor(50% relative humidity )
- C.
40 mg/L water vapor (90% relative humidity
- D.
All of the above
Correct Answer(s)
A. 20 C to 22 C
B. 10 mg/L water vapor(50% relative humidity )Explanation
The correct answer is "all of the above". Gases delivered to the nose and mouth should be conditioned to a temperature range of 20°C to 22°C to ensure that they are not too hot or too cold for the patient. Additionally, the gases should contain 10 mg/L of water vapor, which corresponds to a relative humidity of 50%. This helps to prevent the respiratory system from drying out. Therefore, all of these conditions should be met to properly condition the gases before delivery.Rate this question:
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- 4.
When being delivered tot he trachea, gases should be warmed and humidified to
- A.
32 C to 40 C
- B.
36 to 40 mg/L water vapor (>90% relative humidity)
- C.
10 mg/L water vapor (50% relative humidity)
- D.
20 C to 22 C
Correct Answer(s)
A. 32 C to 40 C
B. 36 to 40 mg/L water vapor (>90% relative humidity)Explanation
When gases are delivered to the trachea, they should be warmed and humidified to a temperature range of 32°C to 40°C. This is because the trachea and the rest of the respiratory system prefer a warm and humid environment to function optimally. Additionally, the gases should also contain a water vapor content of 36 to 40 mg/L, which corresponds to a relative humidity of over 90%. This high level of humidity helps to prevent the respiratory system from drying out and becoming irritated.Rate this question:
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- 5.
A device thats adds invisible molecular water to gas
- A.
Humidifier
- B.
Aerosol Delivery Device
- C.
Condensation
- D.
All of the above
Correct Answer
A. HumidifierExplanation
A humidifier is a device that adds invisible molecular water to gas, typically used to increase the humidity in a room or environment. It works by releasing water vapor into the air, which helps to alleviate dryness and improve overall comfort. Humidifiers are commonly used in homes, offices, and other indoor spaces to combat dry air and its associated symptoms such as dry skin, irritated nasal passages, and respiratory issues.Rate this question:
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- 6.
What kind of water does not carry pathogens
- A.
Mist
- B.
Dew
- C.
Vapor
- D.
All of the above
Correct Answer
C. VaporExplanation
Vapor is the correct answer because it refers to the gaseous form of water, which typically does not contain pathogens. Pathogens are microorganisms that can cause diseases, and they are usually present in liquid water sources such as mist and dew. However, when water evaporates and turns into vapor, it undergoes a purification process that leaves behind most contaminants, including pathogens. Therefore, vapor is considered a relatively safe form of water in terms of pathogen transmission.Rate this question:
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- 7.
What types of water carries Pathogens
- A.
Mist
- B.
Vapor
- C.
Aerosols
- D.
Condesation
Correct Answer(s)
C. Aerosols
D. CondesationExplanation
Aerosols and condensation are the types of water that can carry pathogens. Aerosols are tiny liquid droplets suspended in the air, which can contain pathogens if the water they originated from was contaminated. Condensation refers to water vapor that has cooled and turned back into liquid form, which can also carry pathogens if the vapor was contaminated before condensing. Both aerosols and condensation can act as vehicles for the spread of pathogens, making them potential sources of infection.Rate this question:
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- 8.
What is the most important factor that effects Humidifier Output
- A.
Vapor
- B.
Temperature
- C.
Condensation
- D.
All of the above
Correct Answer
B. TemperatureExplanation
Temperature is the most important factor that affects humidifier output. This is because the rate at which water vapor is produced and released into the air is directly influenced by the temperature. Higher temperatures promote faster evaporation and thus increase the output of the humidifier. Conversely, lower temperatures slow down the evaporation process and result in lower output. Therefore, temperature plays a crucial role in determining the effectiveness of a humidifier in adding moisture to the air.Rate this question:
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- 9.
The higher the temperature in a Humidifier, the greater _______________
- A.
The water vapor content of the delivered gas
- B.
The relative humidity of delivered gas
- C.
The absolute humidity of delivered gas
- D.
The potential humidity
Correct Answer
A. The water vapor content of the delivered gasExplanation
As the temperature increases in a humidifier, the water vapor content of the delivered gas also increases. This is because higher temperatures promote evaporation, causing more water molecules to transition into the gas phase. Therefore, the higher the temperature, the greater the amount of water vapor present in the gas being delivered by the humidifier.Rate this question:
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- 10.
What are the major types of humidifiers?
- A.
Bubble Humidifiers
- B.
Passover Humidifiers
- C.
Wick Humidifiers
- D.
HME
Correct Answer(s)
A. Bubble Humidifiers
B. Passover Humidifiers
C. Wick Humidifiers
D. HMEExplanation
The major types of humidifiers include bubble humidifiers, passover humidifiers, wick humidifiers, and HME. Bubble humidifiers work by bubbling air through water to add moisture to the air. Passover humidifiers use a porous material to transfer moisture from a water source to the air. Wick humidifiers use a wick or filter to absorb water and release it into the air. HME (Heat and Moisture Exchangers) are devices used in medical settings to provide humidification and heat to patients' airways.Rate this question:
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- 11.
What do Active Humidifiers incorporate
- A.
Feed Systems
- B.
Heating devices
- C.
Low flow systems
- D.
Reservoir Systems
Correct Answer(s)
A. Feed Systems
B. Heating devices
D. Reservoir SystemsExplanation
Active humidifiers incorporate feed systems, heating devices, and reservoir systems. Feed systems are responsible for supplying water to the humidifier, heating devices are used to heat the water and create steam or vapor, and reservoir systems store the water that is used for humidification. These components work together to ensure that the humidifier is able to effectively add moisture to the air.Rate this question:
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- 12.
At high flow rates, Bubble Humidifiers can produce what that carries infectious bacteria?
- A.
Micro aerosol particles
- B.
Heat Humidity Deficits
- C.
Gas Gangrene
- D.
None of the above
Correct Answer
A. Micro aerosol particlesExplanation
At high flow rates, Bubble Humidifiers can produce micro aerosol particles that carry infectious bacteria. These small particles can be inhaled by individuals and potentially lead to the spread of infections. Heat humidity deficits and gas gangrene are not directly related to the production of micro aerosol particles by bubble humidifiers.Rate this question:
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- 13.
What is NOT recommended for use with infants because of the increased mechanical dead space and use of uncuffed ETT
- A.
HME
- B.
Bubble Humidifiers
- C.
Passover Humidifiers
- D.
Wick Humidifiers
Correct Answer
A. HMEExplanation
HME (Heat and Moisture Exchanger) is not recommended for use with infants because it increases the mechanical dead space and uses an uncuffed ETT (Endotracheal Tube). Mechanical dead space refers to the portion of the respiratory system where no gas exchange occurs, and it can cause the rebreathing of carbon dioxide. Infants have smaller airways and are more susceptible to the negative effects of increased dead space. Additionally, the use of an uncuffed ETT can lead to air leakage and difficulty in maintaining proper ventilation. Therefore, HME is not recommended for use with infants.Rate this question:
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- 14.
What captures both heat and moisture from expired gas and returns it to the patient at approx. 70% efficiency?
- A.
WIck Humidifiers
- B.
HME
- C.
Passover Humidifiers
- D.
Bubble Humidifiers
Correct Answer
B. HMEExplanation
HME stands for Heat and Moisture Exchanger. It is a device commonly used in respiratory therapy to capture heat and moisture from the patient's expired gas and return it to them during inhalation. HMEs are designed to be lightweight and compact, making them convenient for use in various healthcare settings. They are known to have an efficiency of approximately 70% in capturing and returning heat and moisture.Rate this question:
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- 15.
What are some common problems with Humidification Systems
- A.
Condensation
- B.
Cross Contamination
- C.
Ensuring Proper Conditioning of inspired gas
- D.
None of the above
Correct Answer(s)
A. Condensation
B. Cross Contamination
C. Ensuring Proper Conditioning of inspired gasExplanation
Common problems with humidification systems include condensation, cross contamination, and ensuring proper conditioning of inspired gas. Condensation can occur when the temperature of the gas decreases, leading to moisture buildup in the system. Cross contamination can happen when there is inadequate separation between different gases, leading to the mixing of contaminants. Ensuring proper conditioning of inspired gas involves maintaining the appropriate level of humidity and temperature to prevent dryness or excessive moisture in the respiratory system.Rate this question:
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- 16.
Breathing Circuit Condensate must always be treated as?
- A.
Infectious waste
- B.
Bland aerosol waste
- C.
Increased mechanical dead space
- D.
All of the above
Correct Answer
A. Infectious wasteExplanation
The breathing circuit condensate must always be treated as infectious waste because it can potentially contain harmful pathogens or infectious agents. This waste can pose a risk of spreading infections if not handled and disposed of properly. Therefore, it is important to follow proper protocols and guidelines for the management of this waste to ensure the safety of healthcare workers and the general public.Rate this question:
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- 17.
Bland Aerosol Therapy with Sterile Water or Saline is used to Treat?
- A.
Upper Airway Edema
- B.
Overcome Heat and Humidity Deficits in patients with Tracheal Airways
- C.
Help obtain Sputum Specimens
- D.
None of the above
Correct Answer(s)
A. Upper Airway Edema
B. Overcome Heat and Humidity Deficits in patients with Tracheal Airways
C. Help obtain Sputum SpecimensExplanation
Bland Aerosol Therapy with Sterile Water or Saline is used to treat upper airway edema, overcome heat and humidity deficits in patients with tracheal airways, and help obtain sputum specimens. This therapy helps to reduce inflammation and swelling in the upper airway, providing relief for conditions such as asthma, bronchitis, or allergies. It also helps to moisturize and humidify the airways, which can be beneficial for patients with tracheal airways who may experience dryness and discomfort. Additionally, the aerosol therapy can aid in obtaining sputum specimens for diagnostic purposes, as it helps to loosen and mobilize secretions in the airways.Rate this question:
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- 18.
What Nebulizers are used to generate Bland Aerosols
- A.
HHN
- B.
Large Volume Jet Nebulizers
- C.
BAN
- D.
Ultra Sonic Nebulizers
Correct Answer(s)
B. Large Volume Jet Nebulizers
D. Ultra Sonic NebulizersExplanation
Large Volume Jet Nebulizers and Ultra Sonic Nebulizers are used to generate Bland Aerosols. Bland aerosols are used for humidification and to deliver medication to the respiratory system. Large Volume Jet Nebulizers work by using compressed gas to create a high-velocity flow of liquid medication, which is then broken down into small particles that can be inhaled. Ultra Sonic Nebulizers use high-frequency sound waves to produce a fine mist of medication. Both types of nebulizers are effective in generating bland aerosols for respiratory therapy.Rate this question:
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- 19.
What are some common problems with Bland Aerosol Therapy
- A.
Environmental Safety
- B.
Cross Contamination and Infection
- C.
Inadequate Mist Production and Over Hydration
- D.
Bronchospasm and Noise
Correct Answer(s)
A. Environmental Safety
B. Cross Contamination and Infection
C. Inadequate Mist Production and Over Hydration
D. Bronchospasm and NoiseExplanation
Bland aerosol therapy can have several common problems. Environmental safety is one of them, as aerosolized medications can be harmful if released into the environment. Cross contamination and infection are also concerns, as the equipment used for aerosol therapy can harbor bacteria and viruses if not properly cleaned. Inadequate mist production and over hydration can occur if the aerosol device is not functioning properly or if the patient is receiving too much medication. Lastly, bronchospasm and noise can be issues, with bronchospasm being a potential side effect of the therapy and noise causing discomfort or disturbance for the patient.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Sep 08, 2016Quiz Created by
One_militantmind
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