Demi - Ch. 35: Humidity & Bland Aerosol Therapy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the primary role of the upper airway? | show 🗑
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| show | Nose
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| show | Artificial airway
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| Administration of dry medical gases at flows greater than 4 L/min. are necessary. True/False | show 🗑
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| Following intubation of a patient, it is indicated that the patient needs humidification and warming of inspired gases. True/False | show 🗑
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| show | Humidifier
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| show | Evaporating water from a surface.
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| show | The more water it can hold.
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| show | True
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| Evaporation does not increase as contact time increases. True/False | show 🗑
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| show | Bubble humidifier
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| Are bubble humidifiers normally heated? | show 🗑
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| The goal of a bubble humidifier is to... | show 🗑
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| What type of humidifier directs gas over a water surface? | show 🗑
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| show | Reservoir
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| What type of humidifier does not have bubbles or aerosol and has a tube coming out the top end? | show 🗑
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| What type of humidifier allows vapor to pass, but not water? | show 🗑
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| What kind of patients use a Passover humidifier? | show 🗑
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| show | False (low efficiency/low exposure time)
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| show | Jet
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| show | When gas in a tube exerts lateral wall pressure due to the gas velocity
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| What type of humidifier uses a filter? | show 🗑
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| What type of humidifier is known as the "artificial nose?" | show 🗑
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| show | True
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| show | Captures exhaled heat and moisture which is then applied to the subsequent inhalation (holds patient's own heat & water)
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| How often is an HME changed? | show 🗑
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| In bubble and passover humidifiers, heat improves... | show 🗑
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| Heating systems are usually used for what type of patients? | show 🗑
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| What is a risk that patients are exposed to when inhaling heated gases? | show 🗑
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| show | 1 L/day
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| show | True
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| How much humidity is recommended for intubated patients? | show 🗑
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| show | 35-37 degrees C
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| Condensation does not pose any risks to patient/caregivers. True/False | show 🗑
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| show | True
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| Condensation can block gas flow through the circuit. True/False | show 🗑
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| show | Inhalation of condensation
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| show | Water traps or heated circuits
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| show | Ventilator acquired pneumonia
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| show | Built-up condensation
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| Minimizing condensation can help to reduce OR achieve the risk of bacterial colonization? | show 🗑
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| What consists of liquid particles suspended in a gas (oxygen or air)? | show 🗑
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| What are the most common devices used for bland aerosol therapy? | show 🗑
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| show | Pneumatically powered; directly to a flowmeter
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| show | Liquid particles are generated by passing gas at high velocity through a small jet orifice.
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| What is the optimal size for particles passing through the large-volume jet nebulizer? | show 🗑
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| 0.25 - 1.0 micro meters: minimal settling in the lungs 1.0 - 2.0 micro meters: enter alveoli 2.0 - 5.0 micro meters: deposit/settle to alveoli 5.0 + micro meters: too big to enter airway True/False | show 🗑
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| show | 26 to 35 mg/H2O/L
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| show | 35 to 55 mg/H2O/L
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| show | Ultrasonic nebulizer
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| show | radio waves
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| show | Signal frequency (frequency sound waves: 1.35-1.65)
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| Name four types of airway appliances used with large-bore tubing. | show 🗑
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| Mist tents and hoods are normally used to deliver aerosol therapy to what type of patients? | show 🗑
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| Name one problem that RTs have with mist tents. | show 🗑
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| What do high flows in mist tents help to do? | show 🗑
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| show | Cross-contamination and infection
Environmental safety
Inadequate mist production
Over-hydration
Bronchospasm
Noise
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Created by:
demi.doucet
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