Review for Egan's Chapter 38 & 39 Exam with Correct Answers

What USN setting controls aerosol output? - Correct amplitude Device indicated for patients with large amount of thick secretions - Correct Sterile water/Bland aerosol via jet nebulizer What temp should be maintained on a heated humidifier? - Correct 35-37*C What controls the particle when using USN? - Correct frequency What 4 things do you asses when inspecting sputum? - Correct Color, Amount, Smell, Viscosity What devices deliver aerosol medications? - Correct MDI (meter dose inhaler), DPI (dry power inhaler), SVN (small volume neb), LVN (large volume neb), USN (ultrasonic neb), SPAG Where do size 5-10 micron particles deposit? - Correct oropharynx/ upper airway What creates the aerosol particle when using USN? - Correct piezoelectric crystal What device depends on patients inspiratory effort to dispense dose? - Correct DPI What % improvement is there in deposition with a breath hold? - Correct 10% absorbant material increases surface area for dry air to interface with heated water; increases SA