Med-surg Questions And Answers

Mechanical ventilation is commonly indicated in all of the following conditions except a. pneumothorax. b. drug overdose. c. status asthmaticus. d. thoracic surgery. - A During spontaneous breathing, air is drawn into the lungs by a. collapsing alveoli. b. low oxygen levels. c. negative pressure. d. positive pressure - C For a patient on mechanical ventilation, total collapse of the alveoli can be prevented by a. low tidal volumes. b. PEEP. c. an inspiratory/expiratory (I/E) ratio of 1:2. d. low FIO2. - B Use the lowest FIO2 that keeps your patient's a. SaO2 below 90% and PaO2 below 60 mm Hg. b. SaO2 above 60% and PaO2 above 90 mm Hg. c. SaO2 above 60% and PaO2 below 90 mm Hg. d. SaO2 above 90% and PaO2 above 60 mm Hg. - D Which of the following should always be kept at the bedside of a patient on mechanical ventilation? a. a fully stocked crash cart