LCR EXAM 2025 WITH 100%
CORRECT ANSWERS
All of the following statements in reference to the larynx are true except?
A) The epiglottis forms the distal portion of the larynx
B) it is protected by cartilage
C) it includes the cricoid ring
D) it is identified at the Adam's apple anteriorly - CORRECT ANSWER✔✔A) the epiglottis forms
the distal portion of the larynx
** The epiglottis sits above the larynx (not distally) and protects the glottic opening
A D cylinder of oxygen contains approximately how many liters when full
A) 125
B) 425
C) 235
D) 800 - CORRECT ANSWER✔✔B) 425
Stridor indicates an upper respiratory obstruction. It is a _ sound
A) faint
B) gurgling
C) high-pitched
D) wheezing - CORRECT ANSWER✔✔C) high pitched
** Stridor is a high-pitched sound from instructed airflow in the upper airway**
An NRM delivers what concentration of oxygen?
, A) 60-70%
B) 80-90%
C) 50-60%
D) 100% - CORRECT ANSWER✔✔B) 80-90%
The division between the upper and lower airway is at the
A) larynx
B) Bronchi
C) Oropharynx
D) Carina - CORRECT ANSWER✔✔A) Larynx
While ventilating a patient with a BVM you squeeze the bag in order to ventilate the patient.
Now that the lungs have been filled, by what process does the air leave the lungs before the
next ventilation is provided?
A) Reactive
B) Passive
C) Permissive
D) Active - CORRECT ANSWER✔✔B) passive
** The process by which the air leaves the lungs is passive, which is one of the reasons why
there is a pause between breaths when providing artificial ventilations. Time between
ventilations allows air to leave the lungs. The process is called passive because the patient does
not assist or expend significant energy to expel the air**
Patients who need airway care should be placed
A) semi fowlers
B) laterally recumbent
C) supine
D) prone - CORRECT ANSWER✔✔C) supine
CORRECT ANSWERS
All of the following statements in reference to the larynx are true except?
A) The epiglottis forms the distal portion of the larynx
B) it is protected by cartilage
C) it includes the cricoid ring
D) it is identified at the Adam's apple anteriorly - CORRECT ANSWER✔✔A) the epiglottis forms
the distal portion of the larynx
** The epiglottis sits above the larynx (not distally) and protects the glottic opening
A D cylinder of oxygen contains approximately how many liters when full
A) 125
B) 425
C) 235
D) 800 - CORRECT ANSWER✔✔B) 425
Stridor indicates an upper respiratory obstruction. It is a _ sound
A) faint
B) gurgling
C) high-pitched
D) wheezing - CORRECT ANSWER✔✔C) high pitched
** Stridor is a high-pitched sound from instructed airflow in the upper airway**
An NRM delivers what concentration of oxygen?
, A) 60-70%
B) 80-90%
C) 50-60%
D) 100% - CORRECT ANSWER✔✔B) 80-90%
The division between the upper and lower airway is at the
A) larynx
B) Bronchi
C) Oropharynx
D) Carina - CORRECT ANSWER✔✔A) Larynx
While ventilating a patient with a BVM you squeeze the bag in order to ventilate the patient.
Now that the lungs have been filled, by what process does the air leave the lungs before the
next ventilation is provided?
A) Reactive
B) Passive
C) Permissive
D) Active - CORRECT ANSWER✔✔B) passive
** The process by which the air leaves the lungs is passive, which is one of the reasons why
there is a pause between breaths when providing artificial ventilations. Time between
ventilations allows air to leave the lungs. The process is called passive because the patient does
not assist or expend significant energy to expel the air**
Patients who need airway care should be placed
A) semi fowlers
B) laterally recumbent
C) supine
D) prone - CORRECT ANSWER✔✔C) supine
