When is a heat and moisture exchanger (HME) performing well?
a. Condensate appears in the attached flex tube.
b. No condensate is visible on the filter or insert.
c. The HME temperature is at least 40 C.
d. Condensate is visible on the filter or insert.
Q. 2 For which of the following patients might you recommend bland aerosol therapy administration? 1. Patient with upper airway edema 2. Patient with a bypassed upper airway 3. Patient who must provide a sputum specimen
a. 1, 2, and 3
b. 2 and 3 only
c. 1 and 2 only
d. 1 and 3 only
Q. 3 For which of the following patients would you recommend bland aerosol therapy administration? 1. Patient with a history of airway hyperresponsiveness 2. Patient with a bypassed upper airway 3. Patient with active bronchoconstriction
a. 1, 2, and 3
b. 2 only
c. 1 and 2 only
d. 1 and 3 only
Q. 4 Hazards and complications of bland aerosol therapy include which of the following? 1. Bronchospasm 2. Overhydration 3. Infection 4. Hemoconcentration
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
Q. 5 When checking a patient attached to a servo-controlled heated-wire humidifier breathing circuit, you notice no visible condensate anywhere in the tubing.
Based on this observation, you can conclude that the relative humidity of the delivered gas is which of the following?
a. Less than 25
b. 25 to 90
c. 90 to 100
d. Less than 100
Q. 6 Which of the following reduce the risk of nosocomial infection when using heated humidifica-tion systems?
1. Use of wick or membrane humidifiers
2. Use of heated-wire delivery circuits
3. High humidifier reservoir temperatures
4. Frequent changing of delivery circuits
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
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