NURSING > EXAM > NURSING FUNDAMENTALS/RT FINAL EGANS STUDY GUIDE LATEST 2021. 100% USEFUL BEFORE SITTING FINALS (All)

NURSING FUNDAMENTALS/RT FINAL EGANS STUDY GUIDE LATEST 2021. 100% USEFUL BEFORE SITTING FINALS

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1. Specific clinical objectives of oxygen (O2) therapy include which of the following? 1. Decrease the symptoms caused by chronic hypoxemia. 2. Decrease the workload hypoxemia imposes on the heart and lungs. 3. Correct documented arterial hypoxemia. 4. Correct documented respiratory acidosis. a. 2 and 4 only b. 3 and 4 only c. 1 and 3 only d. 1, 2, and 3 only ANS: D Specific clinical objectives of O2 therapy are to (1) correct documented or suspected acute hypoxemia, (2) decrease the symptoms associated with chronic hypoxemia, and (3) decrease the workload hypoxemia imposes on the cardiopulmonary system. DIF: Recall REF: p. 906 OBJ: 1 2. Properly applied O2 therapy can decrease which of the following? 1. Ventilatory demand 2. Work of breathing 3. Cardiac output a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only ANS: C In cases of acute hypoxemia, supplemental O2 can decrease demands on both the heart and the lungs. DIF: Recall REF: p. 906 OBJ: 1 3. Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which of the following? 1. Reversal of pulmonary vasoconstriction 2. Relief of pulmonary hypertension 3. Decreased right ventricular workload 4. Improved pulmonary vital capacity a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only ANS: B Study Guide Oxygen therapy can reverse pulmonary vasoconstriction and decrease right ventricular workload. DIF: Recall REF: p. 906 OBJ: 1 4. Which of the following would indicate a need for O2 therapy for an adult or a child? 1. SaO2 less than 90% 2. PaCO2 greater than 45 mm Hg 3. PaO2 less than 60 mm Hg a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only ANS: D Excerpts from the AARC guideline on O2 therapy in acute care hospitals appear in CPG 41-1. DIF: Application REF: p. 906 OBJ: 1 5. You start a chronic obstructive pulmonary disease (COPD) patient on a nasal O2 cannula at 2 L/min. What is the maximum time that should pass before assessing this patient’s PaO2 or SaO2? a. 2 hr b. 8 hr c. 12 hr d. 72 hr ANS: A Excerpts from the AARC guideline on O2 therapy in acute care hospitals appear in CPG 41-1. DIF: Application REF: p. 906 OBJ: 1 6. According to AARC clinical practice guidelines, what is the minimum frequency for checking the functioning of an O2 delivery system? a. Every 4 hr b. Every 8 hr c. Every 24 hr d. Every 48 hr ANS: C Excerpts from the AARC guideline on O2 therapy in acute care hospitals appear in CPG 41-1. DIF: Recall REF: p. 906 OBJ: 1 7. You set up an Oxy-Hood with an FiO2 of 0.5 for a newborn infant. What is the maximum time that should pass before assessing this patient’s PaO2 or SaO2? a. 1 hr b. 2 hr c. 8 hr d. 12 hr

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