CHAPTER 65: ARTIFICIAL AIRWAY EXAM WITH VERIFIED ANSWERS
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CHAPTER 65: ARTIFICIAL AIRWAY
Institution
CHAPTER 65: ARTIFICIAL AIRWAY
CHAPTER 65: ARTIFICIAL AIRWAY EXAM WITH VERIFIED ANSWERS
1. A patient is being me-
chanically ventilated. A
high-pressure ventilation
alarm sounds. The nurse
should assess for what
cause of this type of alarm?
1
Power failure
2
Insufficient gas flow
3
Condensate in tubing
4
Tracheotom...
CHAPTER 65: ARTIFICIAL AIRWAY EXAM WITH VERIFIED ANSWERS
1. A patient is being me- 3
chanically ventilated. A
high-pressure ventilation Condensate in tubing
alarm sounds. The nurse
should assess for what Presence of condensate or water in tubing trig-
cause of this type of alarm? gers a high-pressure ventilation alarm. Power
1 failure triggers ventilator inoperative or low bat-
tery alarm. Insufficient gas flow and tracheoto-
Power failure my cuff leak triggers low tidal volume or minute
2 ventilation alarm.
Insufficient gas flow
3
Condensate in tubing
4
Tracheotomy cuff leak
2. An endotracheal (ET) tube 2
is inserted in a patient.
The nurse inflates the cuff 20-25 cm H2O
to stabilize the tube. How
much cuff pressure should To ensure adequate tracheal perfusion, the
be maintained to keep it in- nurse should maintain cuff pressure at 20 to
flated and ensure adequate 25 cm H2O. Excess cuff pressure can damage
tracheal perfusion? the tracheal mucosa. Lesser cuff pressure may
1 cause the ET tube to become destabilized and
extubate.
10-15 cm H2O
2
20-25 cm H2O
3
30-35 cm H2O
4
40-45 cm H2O
,CHAPTER 65: ARTIFICIAL AIRWAY EXAM WITH VERIFIED ANSWERS
3. When taking care of a pa- 4
tient diagnosed with respi-
ratory failure on a mechan- Oversedation with opioid analgesics
ical ventilator, the nurse
hears the apnea alarm The apnea alarm on mechanical ventilation
beeping. What assessment may be caused by respiratory arrest, overseda-
data should be gathered to tion, change in patient condition, or loss of air-
determine the cause of the way (total or partial extubation). The high-pres-
alarm? sure limit alarm is caused by secretions, cough-
1 ing, or gagging. The low tidal volume alarm can
be caused by partial ventilator disconnect. The
Pain or anxiety high tidal volume alarm can be caused by pain
2 or anxiety.
Partial ventilator discon-
nect
3
Secretions, coughing, or
gagging
4
Oversedation with opioid
analgesics
4. When planning care for a 3
patient on a mechanical
ventilator, the nurse under- Prevention of alveolar collapse during expira-
stands that the application tion
of positive end-expiratory
pressure (PEEP) to the ven- PEEP is positive pressure that is applied to the
tilator settings has which airway during exhalation. This positive pressure
therapeutic effect? prevents the alveoli from collapsing, improv-
1 ing oxygenation and enabling a reduced FIO2
requirement. PEEP does not cause increased
Increased inflation of the inflation of the lungs or prevent barotrauma.
lungs Auto-PEEP resulting from inadequate exhala-
2 tion time may contribute to barotrauma.
, CHAPTER 65: ARTIFICIAL AIRWAY EXAM WITH VERIFIED ANSWERS
Prevention of barotrauma
to the lung tissue
3
Prevention of alveolar col-
lapse during expiration
4
Increased fraction of in-
spired oxygen concentra-
tion (FIO2) administration
5. A patient is to be intu- 3
bated for respiratory fail-
ure. Which factor indicates A long-term airway is probably necessary.
that tracheotomy would be
preferable to endotracheal A tracheotomy is indicated when the need for
intubation? an artificial airway is expected to be long term.
1 Aspiration risk, an inability to clear secretions,
and upper airway obstruction are indications for
The patient is at high risk an artificial airway, but these are not specific
for aspiration. indications for tracheotomy.
2
The patient is unable to
clear secretions.
3
A long-term airway is prob-
ably necessary.
4
An upper airway obstruc-
tion is impairing the pa-
tient's ventilation.
6. When assessing the set- 3
tings of a patient's ventila-
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