DAANCE Module 4, Questions with Correct Answers (Grade A+)
Question 1: Anesthesia Machine
Answer: this machine receives oxygen and nitrous oxide from the supply lines, and through the use of flow
meters or valves on the machine, provides these games to the patient
Question 2: what does an oxygen analyzer do?
Answer: it measures the exact amount of oxygen in the mixture being delivered to the patient
Question 3: at what level will an alarm sound to warn of unsafe mixture of gases?
Answer: 20%
Question 4: Vaporizer
Answer: device that heats a liquid and releases it into the air in the form of steam
Question 5: Ventilator
Answer: device that breathes for the patient
Question 6: what should an anesthetic system have when a ventilator is in use?
Answer: a high and low pressure alarm
Question 7: at what percent will an anesthesia machine stop delivering nitrous or other gases
automatically when oxygen is below a safe level?
Answer: 30%
Question 8: how often should flow meters, reservoir bags and delivery tube be checked?
Answer: daily
Question 9: why should you check flow meters, reservoir bags and delivery tubes daily?
Answer: to check for leaks and patency
Question 10: Scavenging system
Answer: a means for reducing the levels of these noxious agents to an acceptably low level by exhausting
the outside the operating room
Page 1
, Question 11: when should anesthetic gases be shut off?
Answer: after the last patient
Question 12: what will a full oxygen tank read?
Answer: 2000 psi
Question 13: what will a full nitrous oxide tank read?
Answer: 750 psi and will remain there until almost empty
Question 14: Head tilt/chin lift
Answer: the airway is maintained throughout the procedure by using a head tilt, using the chin for titling the
head
Question 15: Jaw thrust
Answer: protruding the jaw by using bimanual pressure to push to angles of the lower jaw forward
Question 16: Nasal mask or hood
Answer: covers the nose only
Question 17: nasal prongs/cannula
Answer: inserted into the nares to delivery oxygen without covering the nose
Question 18: suction
Answer: the process of withdrawing or sucking up fluid; should be available in operatories and recovery
Question 19: back-up system
Answer: additional suction source should be ready that is powered by water, gas or some non-electric
source in case of power failure
Question 20: what is the initial intervention in the event of an airway emergency?
Answer: bag/valve/mask ventilation
Question 21: what does bag/valve/mask ventilation depend on?
Answer: mandibular positioning to posture the tongue forward
Page 2
Question 1: Anesthesia Machine
Answer: this machine receives oxygen and nitrous oxide from the supply lines, and through the use of flow
meters or valves on the machine, provides these games to the patient
Question 2: what does an oxygen analyzer do?
Answer: it measures the exact amount of oxygen in the mixture being delivered to the patient
Question 3: at what level will an alarm sound to warn of unsafe mixture of gases?
Answer: 20%
Question 4: Vaporizer
Answer: device that heats a liquid and releases it into the air in the form of steam
Question 5: Ventilator
Answer: device that breathes for the patient
Question 6: what should an anesthetic system have when a ventilator is in use?
Answer: a high and low pressure alarm
Question 7: at what percent will an anesthesia machine stop delivering nitrous or other gases
automatically when oxygen is below a safe level?
Answer: 30%
Question 8: how often should flow meters, reservoir bags and delivery tube be checked?
Answer: daily
Question 9: why should you check flow meters, reservoir bags and delivery tubes daily?
Answer: to check for leaks and patency
Question 10: Scavenging system
Answer: a means for reducing the levels of these noxious agents to an acceptably low level by exhausting
the outside the operating room
Page 1
, Question 11: when should anesthetic gases be shut off?
Answer: after the last patient
Question 12: what will a full oxygen tank read?
Answer: 2000 psi
Question 13: what will a full nitrous oxide tank read?
Answer: 750 psi and will remain there until almost empty
Question 14: Head tilt/chin lift
Answer: the airway is maintained throughout the procedure by using a head tilt, using the chin for titling the
head
Question 15: Jaw thrust
Answer: protruding the jaw by using bimanual pressure to push to angles of the lower jaw forward
Question 16: Nasal mask or hood
Answer: covers the nose only
Question 17: nasal prongs/cannula
Answer: inserted into the nares to delivery oxygen without covering the nose
Question 18: suction
Answer: the process of withdrawing or sucking up fluid; should be available in operatories and recovery
Question 19: back-up system
Answer: additional suction source should be ready that is powered by water, gas or some non-electric
source in case of power failure
Question 20: what is the initial intervention in the event of an airway emergency?
Answer: bag/valve/mask ventilation
Question 21: what does bag/valve/mask ventilation depend on?
Answer: mandibular positioning to posture the tongue forward
Page 2
