Health Care > TEST BANKS > Clinical Application Of Mechanical Ventilation 4th Edition By David W. Chang TEST BANK (All)
Clinical Application Of Mechanical Ventilation 4th Edition By David W. Chang TEST BANK
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Chapter 1: Principles of Mechanical Ventilation TRUE/FALSE 1. When a patient fails to ventilate or oxygenate adequately, the problem is caused by pathophysiological factors such as hyperventilatio... n. ANS: F PTS: 1 REF: Introduction 2. One of the most common causes of increased airway resistance is COPD. ANS: T PTS: 1 REF: Airway Resistance 3. Airway resistance varies directly with the diameter of the airway or ET tube and inversely with the length. ANS: F PTS: 1 REF: Airway Resistance 4. Low compliance measurements are usually related to conditions that increase the patient’s functional residual capacity and total lung capacity. ANS: F PTS: 1 REF: Lung Compliance 5. When looking at the pressure-volume loop, a shift of the slope toward the pressure axis indicates a decrease in compliance. ANS: T PTS: 1 REF: Lung Compliance MULTIPLE CHOICE 1. One of the most frequent uses of mechanical ventilation is for the management of postoperative patients recovering from ____. a. apnea and impending respiratory arrest b. anesthesia and medications c. acute severe asthma and heart failure d. acute brain injury and flail chest ANS: B PTS: 1 REF: Introduction 2. Normal airway resistance in healthy adults is between 0.5 to ____ cm H2O/L/sec. a. 1.5 c. 2.5 b. 2.0 d. 3.0 ANS: C PTS: 1 REF: Airway Resistance 3. Based on Poiseuille’s Law, the work of breathing increases by factor of ____ when the radius (r) of the airway is reduced by half its original size. a. 8-fold c. 13-fold b. 10-fold d. 16-fold ANS: D PTS: 1 REF: Airway Resistance 4. ____ occurs when the patient’s minute ventilation cannot keep up with CO2 production. [Show More]
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