LVN quiz Questions And Answers

Large Volume Nebulizer (LVN) operates at CORRECT ANSWERS: Operates at 10-15 Lpm Large volume nebulizers CORRECT ANSWERS: -hold up to 200 ml and may be used for either bland aerosol therapy or continuous drug administration. common problems using LVN CORRECT ANSWERS: -cross contamination -inadequate mist production -over-hydration nebulizer is a CORRECT ANSWERS: device that creates a mist used to deliver medication/bland aerosols (liquid particles suspended in gas) for giving respiratory treatment large volume nebulizers main purpose CORRECT ANSWERS: used to humidify dry inspired gases to pts. who upper AW are being bypass indications for LVN CORRECT ANSWERS: -subglottic edema -post-extubation edema -presence of bypass upper aw LVN are pneumatically powered by attaching directly to the CORRECT ANSWERS: flowmeter and gas source how can you tell when the pt is getting enough o2? CORRECT ANSWERS: -on inspiration, the mist appears contraindications for LVN CORRECT ANSWERS: -bronchoconstriction -AW hyperresponsiveness assessment of need (a sign for administration of aerosol) CORRECT ANSWERS: -sputum induction (pneumonia) -stridor (high pitch, whistling sound) -crouplike cough (barking cough) mechanism of LVN CORRECT ANSWERS: • Liquid particles are generated by passing gas at high velocity through small jet orifice • Water is then shattered into liquid particles • Smaller particles leave nebulizer through outlet port in gas stream In what case would you want to monitor pulse oximetry (spo2) when using a LVJN? CORRECT ANSWERS: if hypoxemia (low o2 in blood) is suspected.