NBRC PREP AIRWAY MANAGEMENT,
ABG, PFT, MECHANICAL
VENTILATION. EXAM 2025 QUESTIONS
AND ANSWERS
What are the contraindications for a Head tilt chin lift? - ANS -Fractured neck
-Suspician of a neck fracture
What are the indications for oropharyngeal airways? - ANS -Unconscious pt
support base of tongue
bite block (w/ET tube or seizures)
facilitate oral suctioning
What are the indications for nasopharyngeal airways? - ANS Conscious pt
support base of tongue
facilitate nasal suctioning
use to decrease trauma during nasotracheal suctioning
What are some complications with nasopharyngeal airways? - ANS trauma to mucosa (most
common)
epistaxis
increased airway resistance
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,What are the signs for mild airways obstruction? - ANS good air exchange
responsive and can cough forcefully
may wheeze between coughs
What is the treatment for mild airway obstruction? - ANS -As long as there is good airway
exchange, encourage victim to continue coughing and breathing
-Do not interefere with victim when they try to expel the foreign body
-stay and monitor victim
-call 911 if mild obstruction continues
What are the signs of a severe airway obstruction? - ANS Poor or no air exchange
Increased respiratory difficulty
Clutching neck with hands in a choking position
Unable to speak or cry
What is the treatment for severe airway obstruction in RESPONSIVE adult pt? - ANS Perform
abdominal thrusts
What is the treatment for severe airway obstruction in UNRESPONSIVE adult pt? - ANS Start
CPR, no pulse check
Before attempting to ventilate look for foreign object in mouth and remove it
Whats the purpose of the reservoir on a self inflating resus bag? - ANS To provide 95-100%
of oxygen at 15L/min
Using excessively high flows during manual resuscitation can cause what type of problem? -
ANS May cause the valves to jam
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,While manually ventilating a pt via ET tube the RT notices that it is getting more difficult to
compress the resus bag, What could be the cause of this problem? - ANS Pt valve may be
stuck open or closed
What are 2 limitations of pneumatic resus devices? - ANS -Inability to detect changes in pts
lung compliance and resistance
-High risk of gastric insufflation
What are 5 indications for oral and nasal intubation? - ANS Provide a patent airway
Access for suctioning
means for mechanical ventilation
Protect the airway
Direct instillation of medication if IV unavailable
What are the 4 drugs that we can administer through the tubes when IV access is not available
? - ANS Valium/Versed
Atropine
Narcan
Epinephrine
How do you determine the dosage of administering drugs through the endotracheal tube? -
ANS Double the normal IV dose
What is the main indication for tracheostomy? - ANS When pt requires long term ventilation
How should the RT respond to by-passing normal humidification mechanisms? - ANS Provide
adequate humidity
How should the RT respond to disruption of normal mucus clearance? - ANS Suction PRN
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, What is the acceptable range of cuff inflation for an endotracheal tube? - ANS 20-25mmhg
What is the most serious complication of endotracheal intubation? - ANS Laryngospasm
Right mainstem intubation would occur if the et tube is inserted past what mark at the lips? -
ANS 25cm mark at the lips
how should the RT maintain airway patency? - ANS By suctioning
What level of humidification should be maintained in order to prevent dehydration? -
ANS 100% humidity at 37C
(best way to prevent obstruction)
What size laryngoscope blade is commonly used for adult pt? - ANS Size 3
What size of laryngoscope blade is used for term infant? - ANS Size 1
What are the troubleshooting steps for when the laryngoscope blade does not work? -
ANS Tighten bulb
Check handle attachment
Check blades
Check batteries
What is the proper et tube size for pre term infant? - ANS 2.5-3.0mm
What is the proper et tube size for full term infant? - ANS 3.0-3.5
4 Copyright ©2025 THESTAR ALL RIGHTS RESERVED
ABG, PFT, MECHANICAL
VENTILATION. EXAM 2025 QUESTIONS
AND ANSWERS
What are the contraindications for a Head tilt chin lift? - ANS -Fractured neck
-Suspician of a neck fracture
What are the indications for oropharyngeal airways? - ANS -Unconscious pt
support base of tongue
bite block (w/ET tube or seizures)
facilitate oral suctioning
What are the indications for nasopharyngeal airways? - ANS Conscious pt
support base of tongue
facilitate nasal suctioning
use to decrease trauma during nasotracheal suctioning
What are some complications with nasopharyngeal airways? - ANS trauma to mucosa (most
common)
epistaxis
increased airway resistance
1 Copyright ©2025 THESTAR ALL RIGHTS RESERVED
,What are the signs for mild airways obstruction? - ANS good air exchange
responsive and can cough forcefully
may wheeze between coughs
What is the treatment for mild airway obstruction? - ANS -As long as there is good airway
exchange, encourage victim to continue coughing and breathing
-Do not interefere with victim when they try to expel the foreign body
-stay and monitor victim
-call 911 if mild obstruction continues
What are the signs of a severe airway obstruction? - ANS Poor or no air exchange
Increased respiratory difficulty
Clutching neck with hands in a choking position
Unable to speak or cry
What is the treatment for severe airway obstruction in RESPONSIVE adult pt? - ANS Perform
abdominal thrusts
What is the treatment for severe airway obstruction in UNRESPONSIVE adult pt? - ANS Start
CPR, no pulse check
Before attempting to ventilate look for foreign object in mouth and remove it
Whats the purpose of the reservoir on a self inflating resus bag? - ANS To provide 95-100%
of oxygen at 15L/min
Using excessively high flows during manual resuscitation can cause what type of problem? -
ANS May cause the valves to jam
2 Copyright ©2025 THESTAR ALL RIGHTS RESERVED
,While manually ventilating a pt via ET tube the RT notices that it is getting more difficult to
compress the resus bag, What could be the cause of this problem? - ANS Pt valve may be
stuck open or closed
What are 2 limitations of pneumatic resus devices? - ANS -Inability to detect changes in pts
lung compliance and resistance
-High risk of gastric insufflation
What are 5 indications for oral and nasal intubation? - ANS Provide a patent airway
Access for suctioning
means for mechanical ventilation
Protect the airway
Direct instillation of medication if IV unavailable
What are the 4 drugs that we can administer through the tubes when IV access is not available
? - ANS Valium/Versed
Atropine
Narcan
Epinephrine
How do you determine the dosage of administering drugs through the endotracheal tube? -
ANS Double the normal IV dose
What is the main indication for tracheostomy? - ANS When pt requires long term ventilation
How should the RT respond to by-passing normal humidification mechanisms? - ANS Provide
adequate humidity
How should the RT respond to disruption of normal mucus clearance? - ANS Suction PRN
3 Copyright ©2025 THESTAR ALL RIGHTS RESERVED
, What is the acceptable range of cuff inflation for an endotracheal tube? - ANS 20-25mmhg
What is the most serious complication of endotracheal intubation? - ANS Laryngospasm
Right mainstem intubation would occur if the et tube is inserted past what mark at the lips? -
ANS 25cm mark at the lips
how should the RT maintain airway patency? - ANS By suctioning
What level of humidification should be maintained in order to prevent dehydration? -
ANS 100% humidity at 37C
(best way to prevent obstruction)
What size laryngoscope blade is commonly used for adult pt? - ANS Size 3
What size of laryngoscope blade is used for term infant? - ANS Size 1
What are the troubleshooting steps for when the laryngoscope blade does not work? -
ANS Tighten bulb
Check handle attachment
Check blades
Check batteries
What is the proper et tube size for pre term infant? - ANS 2.5-3.0mm
What is the proper et tube size for full term infant? - ANS 3.0-3.5
4 Copyright ©2025 THESTAR ALL RIGHTS RESERVED
