Med-surg exam 1 multiple choice practice (With correct answers)

Mechanical ventilation is commonly indicated in all of the following conditions except a. pneumothorax. b. drug overdose. c. status asthmaticus. d. thoracic surgery. correct answers A During spontaneous breathing, air is drawn into the lungs by a. collapsing alveoli. b. low oxygen levels. c. negative pressure. d. positive pressure correct answers 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. correct answers 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. correct answers D Which of the following should always be kept at the bedside of a patient on mechanical ventilation? a. a fully stocked crash cart b. a T-piece c. a manual resuscitation bag and mask d. a spare orogastric tube correct answers C According to the Centers for Disease Control and Prevention guidelines, make sure the ventilator circuit is changed a. every shift. b. once a day. c. once a week. d. only when it's visibly soiled or malfunctioning. correct answers D Unless contraindicated, which intervention best decreases VAP risk in a patient receiving enteral feedings? a. a nasogastric tube b. nasopharyngeal suctioning