DAANCE Module 4 exam 2023 with 100% correct answers

Purpose of the scavenging system Reducing the levels of the noxious agents to an acceptably low level by exhausting them outside the operating room. Medical gas cylinder colors Blue- Nitrous Oxide Green- Oxygen Yellow- Compressed Air Brown- Helium Black- Nitrogen Gray- Carbon Dioxide Airway Adjuncts(8) Head-tilt/Chin-lift Tongue traction suture Nasopharyngeal airway Oropharyngeal airway Laryngeal mask airway I-gel supraglottic airway Endotracheal tube Combitube Cricothyrotomy Tongue traction suture When the tongue is obstructing the airway one or two sutures can be placed through the dorsum of the tongue and grasped with a large hemostat Nasopharyngeal airway Does not interfere with procedures Well-tolerated Can be used on awake patients Passed through one of the nostrils into the nasal cavity into the oropharynx posterior to the tongue. Oropharyngeal airway Oral airway may be used to position the tongue in a more anterior position interferes with intraoral procedures not tolerated well in awake patients Supraglottic airway Placed above the level of the vocal cords 2 types: laryngeal mask airway (LMA) and I-gel supraglottic airway Gastric port or small tube that passes through the length of the airway to allow access for a suction catheter that can by used to remove fluid in the stomach and diminish likelihood of aspiration of acidic gastric juices. Laryngeal mask airway (LMA) Plastic tube at the end of which is a small air inflated balloon that sits tightly over the top of the larynx. Advantage: may be placed blindly without the use of a laryngoscope. Does NOT protect the airway from the aspiration of regurgitated material. Follows the natural bend of the oropharynxa nd comes to rest over the larynx. →cuff is then inflated