A surgical resident has asked that you assist in an elective tracheotomy procedure on an orally intubated patient. Which of the following would be an appropriate action?

In which of the following patients would you consider modifying any head-down positions used for postural drainage?I. a patient with unstable blood pressureII. a patient with a cerebrovascular disorderIII. a patient with systemic hypertensionIV. a patient with orthopnea

During fiberoptic bronchoscopy, a patient’s SpO2 drops from 91% to 87%. Which of the following actions would be appropriate?I. Apply suction through the scope’s open channel.II. Give oxygen through the scope’s open channel.III. Increase the cannula or mask oxygen flow.

Which of the following should be prescribed to provide adequate humidification to an intubated patient?

Which of the following are indications for the use of acetylcysteine (Mucomyst)?1. treatment of acetaminophen overdose2. treatment of excessive, viscous mucus secretions3. treatment of aspirin overdose4. treatment of purulent mucus secretions by breaking up DNA

The functional residual capacity measured by body box is 15% larger that measured by nitrogen washout.  This difference is best explained by change in which of the following?

Which of the following autonomic or protective neural responses represent potential hazards of emergency airway management?1. hypertension2. eupnea3. cardiac arrhythmias4. laryngospasm

All of the following reduce the risk of nosocomial infection when using heated humidification systems except:

After coming on a patient with complete obstruction of an oral endotracheal tube, your efforts to relieve the obstruction by moving the patient’s head and neck and deflating the cuff both fail. What should be your next step?

All of the following lead to an increased end-tidal PCO2,except: