Egan's Chapter 38- Medical Gas Therapy with correct answers 100% 2027

Egan's Chapter 38- Medical Gas Therapy with correct answers 100% 2027 What are three goals of O2 Therapy - Correct Answer 1. Correct documented or suspected acute Hypoxemia 2. Decrease symptoms associated with chronic hypoxemia 3. Decrease workload hypoxemia imposes on cardiopulmonary system What is Laboratory documentation for assessing the need for O2 Therapy? - Correct Answer PaO2, SaO2 & SpO2 What is an example of a clinical problem needing O2 therapy? - Correct Answer suspected Carbon Monoxide poisoning What are bedside findings that would lead to necessity of O2 therapy? - Correct Answer Tachypnea, tachycardia & confusion What are determining factors for O2 toxicity? - Correct Answer PO2 & exposure time What does O2 toxicity primarily affect? - Correct Answer The lungs & CNS What causes infiltrates in lung parenchyma? - Correct Answer Prolonged exposure to high FiO2 Who does depression of ventilation occur in? - Correct Answer COPD patients with chronic hypercapnia What happens in retinopathy of prematurity? - Correct Answer Excessive blood O2 levels cause retinal vasoconstriction & necrosis Who is at risk of Absorption atelectasis? - Correct Answer Patients breathing small tidal volumes with FiO2 above 0.50 are at great risk Where are O2 related fire hazards at high risk? - Correct Answer O2 enriched environments & surgical suites in presence of hyperbaric O2 therapy. What are three designs for O2 delivery systems? - Correct Answer 1. low-flow systems 2. Reservoir systems 3. High-flow systems What are examples of low flow O2 delivery systems? (part of patient's O2 needs) - Correct Answer Nasal canula, regular mask, partial rebreather mask, oxymizer, non rebreather mask What are examples of high flow O2 delivery systems? (Provides 100% of patient's O2 needs) - Correct Answer High flow nasal canula, Cascade high flow, Passover high flow, Venturie Mask, regular high flow with Aerosol mask What should the FiO2 level be at when using the nasal canula (low flow) - Correct Answer 0.24-0.40 dependent on how much room air patient inhales in addition to O2 What is the FiO2 level delivered by a nasal catheter? - Correct Answer 0.22-0.45 (replaced by nasal cannula) How is a transtracheal catheter placed? - Correct Answer Surgically placed in trachea through neck by physician What is the difference in O2 use between transtracheal catheter and nasal cannula? - Correct Answer TT Catheter uses 40-60% less O2 to achieve the same PaO2 as nasal canula What was the reservoir cannula designed for? - Correct Answer To conserve oxygen and make you look like Iron Man What are three types of O2 delivery masks - Correct Answer 1. Simple Mask 2. Partial Rebreathing mask 3. Non Rebreathing mask What's the difference between a Venturie mask and a Venti mask? - Correct Answer Not a damn thing Yo! What is an O2 hood (Oxyhood) - Correct Answer Generally the best method for delivering controlled O2 to infants What is a downfall to an O2 Tent? - Correct Answer Regulating cooling and FiO2 can be difficult What does High-Flow nasal cannulas provide? - Correct Answer High FiO2, High relative humidity and positive pressure What do Demand & Pulse-dose systems do? - Correct Answer Conserve O2 by providing flow