HESI Respiratory Basics Exam 2023 Actual Questions and Answers, Complete 100%

HESI Respiratory Basics Exam 2023 Actual Questions and Answers, Complete 100% 1. What are the 5 defining characteristics of ARDS?: Answer: 1. Hypoxemia that persists even with 100% O2 2. Decreased Lung compliance 3. Dyspnea 4. Non-cardiac associated bilateral pulmonary edema 5. dense pulmonary infiltrates on radiography. 2. Why are there no adventitious lung sounds in the beginning stages of ARDS?: Answer: Because the initial edema initially occurs in the interstitial spaces and not the airways. 3. What is an average range for PEEP settings?: Answer: 5-10 4. What is PEEP?: Answer: A small amount of pressure used to keep the airway open on expiration 5. What is a common lab finding in ARDS?: Answer: Low PO2 6. What are the lab values that denote hypoxemia in ARDS?: Answer: Po2 <50 with FiO2 >60