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Humidity Therapy-09
Flashcards
| Question | Answer |
|---|---|
| Where is the Isothermic saturation boundary (ISB)located? | Approximately 5cm below the carina (egans pg 776) |
| What does the term Inspissated refer to? | Thickening of secretions due to dehydration (egans pg 776) |
| With prolonged breathing of improperly conditioned gases through the tracheal airway can result in what condition? | Hypothermia (a reduced body temperature) (egans pg 777) |
| What are humidifiers used for? | To add molecular water to gases (Egans pg 777) |
| Temperature is an important factor affecting humidity due to the fact that the greater the temperature of the gas the more H2O vapor it will hold. (true or false) | True (egans pg 778) |
| In order for evaporation to occur what are the ideal conditions that need to be present? | There needs to be a large surface area to enable evaporation to take place (egans pg 778) |
| What are the three most common humidifiers used in Respiratory care? | 1)Bubble humidifiers 2)Passover humidifiers 3)Heat and moisture exchangers (HME's)(egans pg 779) (egans pg 779) |
| In the Passover humidifier what is the purpose of the Hydrophobic membrane? | The membrane-type separates the water from the gas stream (egans pg 780) |
| What is a HME? And what are the three most common used? | HME is a heat and moisure exchange device. 1)Simple condenser humidifiers 2)Hygroscopic condenser humidifiers 3)Hydrophobic condenser humidifiers (egans pg 780) |
| What organization sets the standards for the HME's? | International Organization for Standarization (ISO) (egans pg 781) |
| Heated humidifiers operating continuously in breathing circuits can evaporate more than ___ L H2O per day. | 1L of H2O per day (egans pg 784) |
| Simple large reservoir systems are manually refilled with sterile or distilled water. Why would this be a problem? | Because the system must be opened for refilling where cross contamination can occur. (egans pg 784) |
| What type of probe does the Servo-controlled heating system use at or near the patients airway? | Thermistor probe (egans pg 783) |
| Not all active heated humidifiers perform the same under all conditions. (True or False) | True (Egans pg 787) |
| To maintain airway temperatures by humidification the temperature has to range between ___ and __ C | 35 and 37 C (egans pg 787) |
| What are the three most common problems with humidification systems? | 1)Dealing with condensation 2)Avoiding cross contamination 3)Ensuring proper conditioning of the inspired gas (egan pg 787) |
| Name some factors that would influence the amount of condensation in a humidified system? | 1)Temperature difference across system (humid. to airway) 2)Ambient temperature 3)Gas flow 4)Set airway temperature 5)Length,diameter, and thermal mass of breathing circuit (egans pg 787) |
| What is the definition of a Nebulizer? | Device that produces an aerosol suspension of liquid particles in a gaseous medium using baffling to control particle size. (egans pg 1324) |
| Name two devices that are used to deliver bland aerosols? | 1)Large-Volume nebulizers 2)Ultrasonic nebulizers (egans pg 790) |
| Bland aerosols can cause bronchospasms in some patients. (True or false) | True (egans pg 795) |
Created by:
nixisabel
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