RT230: Mechanical Ventilation: SIMV and PSV Exam V1 ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS

RT230: Mechanical Ventilation: SIMV and PSV Exam V1 ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS 1) Why do we use pressure support? - CORRECT ANSWERS-Used with any spontaneous breaths. -Any more that allows spontaneous breathing. -Very effective mode of weaning. -Rebuild Respiratory muscle strength. -NIV BiPAP mode (set @ CPAP then @ PS). 2) What or who triggers a PSV breath? - CORRECT ANSWERSA. The machine will trigger a breath and allow the patient to trigger a breath in between breaths. 3) How does the Ventilator know when to cycle at the end of inspiration? - CORRECT ANSWERSA. The RCP sets the I-time and E-time to notify the machine when to cycle or trigger a breath. 4) What is the minimal level of PS to overcome the vent and ETT resistance? B. Is there a normal upper range? - CORRECT ANSWERSA. 5 cmH2O B. There is no upper range. 5) What would happen to the ventilator measurements and the alarms in the even that there was a leak or patient disconnect in A/C mode? - CORRECT ANSWERSA. PIP would increase and Ppeak alarms would sound. 6) Which mode of ventilation does the patient do the most work of breathing? B. What about the least? - CORRECT ANSWERSA. Assist Control or CMV B. CPAP mode 7) what happens to Vt when Cl changes in either PCV or VCV? - CORRECT ANSWERSA. In PCV, Vt decreases or vary and in VCV, Vt will stay the same or increase. 8) which has the most compromising effect on venous return; machine positive pressure or spontaneous breath? - CORRECT ANSWERSA. Machine positive pressure