1.
Despite your attempts to coach a conscious young female's respirations, she continues to hyperventilate with a marked reduction in tidal volume. You should:
A.
restrain her and provide ventilatory assistance.
B.
insert a nasopharyngeal airway and give oxygen.
C.
explain to her that you will assist her ventilations.
D.
ventilate her at the rate at which she is breathing.


2.
The jaw-thrust maneuver is used to open the airway of patients with suspected:
A.
mandibular fractures.
B.
upper airway swelling.
C.
cervical spine injuries.
D.
copious oral secretions.


3.
The physical act of moving air into and out of the lungs is called:
A.
diffusion.
B.
ventilation.
C.
respiration.
D.
oxygenation.


4.
You have inserted an oral airway and are ventilating an apneic woman with a bag-mask device. She suddenly begins regurgitating large amounts of vomit. You should:
A.
perform a finger sweep of her mouth.
B.
insert a nasal airway and then suction her mouth.
C.
roll her onto her side and remove the oral airway.
D.
remove the oral airway and suction her oropharynx.


5.
A 37-year-old male has an apparent foreign body airway obstruction. He is conscious and alert and is coughing forcefully. His skin is pink, warm, and moist. The MOST appropriate treatment for this patient includes:
A.
a series of back blows and chest thrusts.
B.
finger sweeps to remove the obstruction.
C.
performing a series of abdominal thrusts.
D.
encouraging him to cough and transporting.


6.
Proper technique for suctioning the oropharynx of an adult patient includes:
A.
continuously suctioning patients with copious oral secretions.
B.
suctioning while withdrawing the catheter from the oropharynx.
C.
removing large, solid objects with a tonsil-tip suction catheter.
D.
suctioning for up to 1 minute if the patient is well oxygenated.


7.
When testing a mechanical suctioning unit, you should turn on the device, clamp the tubing, and ensure that it generates a vacuum pressure of more than:
A.
100 mm Hg.
B.
200 mm Hg.
C.
300 mm Hg.
D.
400 mm Hg.


8.
The main advantage of the Venturi mask is:
A.
the ability to adjust the percentage of inspired oxygen when caring for a critically ill or injured patient.
B.
the use of its fine adjustment capabilities in the long-term management of physiologically stable patients.
C.
that it does not contain an oxygen reservoir, so the same percentage of oxygen can consistently be administered.
D.
the ability to adjust the amount of oxygen administered to the patient by increasing the flow rate on the regulator.


9.
You and your partner are treating a 66-year-old man who experienced a sudden onset of respiratory distress. He is conscious but is unable to follow simple verbal commands. Further assessment reveals that his breathing is severely labored and his oxygen saturation is 80%. You should:
A.
attempt to insert an oropharyngeal airway.
B.
assist his ventilations with a bag-mask device.
C.
apply a continuous positive airway pressure (CPAP) device and monitor his breathing.
D.
apply high-flow oxygen via nonrebreathing mask.


10.
While eating dinner, your partner suddenly grabs his throat and has a panicked look on his face. He has a weak cough, faint inspiratory stridor, and cyanosis around the lips. You should:
A.
encourage him to cough as forcefully as he can.
B.
deliver up to five back blows and reassess him.
C.
place him in a supine position and open his airway.
D.
stand behind him and administer abdominal thrusts.


11.
You are performing mouth-to-mask ventilations with oxygen connected and set at a flow rate of 15 L/min. What percentage of oxygen is your patient receiving?
A.
45%
B.
55%
C.
65%
D.
75%


12.
Which of the following structures is contained within the mediastinum?
A.
lungs
B.
larynx
C.
bronchioles
D.
esophagus


13.
The primary waste product of aerobic metabolism is:
A.
lactic acid.
B.
pyruvic acid.
C.
carbon dioxide.
D.
adenosine triphosphate.


14.
In the presence of oxygen, the mitochondria of the cells convert glucose into energy through a process called:
A.
perfusion.
B.
respiration.
C.
aerobic metabolism.
D.
anaerobic metabolism.


15.
Tidal volume is defined as the volume of air that:
A.
is moved through the lungs in a single minute.
B.
moves into or out of the lungs in a single breath.
C.
remains in the lungs following a complete exhalation.
D.
is forced into the lungs as a result of positive pressure.


16.
The partial pressure of oxygen in the alveoli is _______ mm Hg, while the partial pressure of carbon dioxide in the alveoli is _______ mm Hg.
A.
70, 28
B.
88, 30
C.
90, 50
D.
104, 40


17.
Which of the following statements regarding breathing adequacy is correct?
A.
Patients with a grossly irregular breathing pattern usually do not require assisted ventilation.
B.
The single most reliable sign of breathing adequacy in the adult is his or her respiratory rate.
C.
Patients breathing shallowly may require assisted ventilation despite a normal respiratory rate.
D.
A patient with slow respirations and adequate depth will experience an increase in minute volume.


18.
Irregular respirations characterized by an increasing rate and depth of breathing followed by periods of apnea are called:
A.
ataxic respirations.
B.
agonal respirations.
C.
eupneic respirations.
D.
Cheyne-Stokes respirations.


19.
CPAP is indicated for patients who:
A.
have signs of pneumonia but are breathing adequately.
B.
are unresponsive and have signs of inadequate ventilation.
C.
have pulmonary edema and can follow verbal commands.
D.
are hypotensive and have a marked reduction in tidal volume.


20.
To select the proper size oropharyngeal airway, you should measure from the:
A.
corner of the mouth to the earlobe.
B.
center of the mouth to the posterior ear.
C.
corner of the mouth to the superior ear.
D.
angle of the jaw to the center of the mouth.



STOP This is the end of the test. When you have completed all the questions and reviewed your answers, press the button below to grade the test.