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NUR 425 Exam 3 Final Exam 2026 Edit Questions
And Correct Detailed Answers
Your patient has just begun his first CPAP trial: CPAP, PEEP: 5, FiO2:40%.After 8minutes, his
vital signs are: BP: 140/85, HR: 145, SaO2: 92%, RR: 35,T:37.6.
His wife is now at the bedside and asks what is going on. Which statement is most
appropriate?
1. He is trying to breathe on his own, but it appears he is not doing a very good job. We
will need to sedate him more.
2. He is breathing on his own- which is a lot of work, but this is normal.We will wait a bit
longer.
3. He is trying to breathe on his own, but it appears he is working too hard.We will need
to stop the trial.
4. He is breathing with some support from the ventilator. As long as he triggers breaths,
he will get support from the ventilator-CORRECT ANSWER-3
,- he is working too hard and we do not need to drag this out any more. He needs more support
from the ventilator
CPAP settings-CORRECT ANSWER-Respirations Is this a setting?
- NO
-Patient takes own breaths
Volume Is this a setting?
-NO
Pressure Support Is this a setting?
-NO
PEEP Is this a setting?
-yes
FiO2
-yes
What happens when patient triggers own breath with CPAP?- CORRECT
ANSWER-No volume or pressure assistance- volume and frequency is up to the patient
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Sedation considerations for CPAP- CORRECT ANSWER-No sedation (or minimal sedation in
some cases
Potential complications of CPAP-CORRECT ANSWER-If respiratory
depression,hypoventilation and hypoxia can result.
- Patient anxiety while off sedation
Nursing Priorities for CPAP-CORRECT ANSWER--Patient must be awake enough to breathe
on own and strong enough to take deep breaths
A final weaning mode
-patient may have anxiety
Example settings for CPAP- CORRECT ANSWER-FiO2 40%
PEEP 5
Pressure support settings:
(a mode and setting)- CORRECT ANSWER-Respirations Is this a setting?
-NO
-Patient must trigger every breath on their own
Volume Is this a setting?
-NO
Pressure Support Is this a setting?
, -yes
- specific amount of pressure will be provided with each breath triggered by the patient
PEEP Is this a setting?
-yes
FiO2
-yes
What happens when patient triggers own breath on pressure support?-CORRECT
ANSWER-Each triggered breath is supported with set amount of pressure
Sedation considerations for pressure support-CORRECT ANSWER-Minimal-patient must be
awake enough to trigger breaths on owvn - this is a weaning mode
Potential complications of pressure support-CORRECT ANSWER-If respiratory depression,
hypoventilation and hypoxia can result.
- Patient anxiety while off sedation
- Potential respiratory Alkalosis if tachypnea (getting assistance with every breath)
Nursing Priorities for pressure support- CORRECT ANSWER--Patient must be awake enough
to breathe on own
NUR 425 Exam 3 Final Exam 2026 Edit Questions
And Correct Detailed Answers
Your patient has just begun his first CPAP trial: CPAP, PEEP: 5, FiO2:40%.After 8minutes, his
vital signs are: BP: 140/85, HR: 145, SaO2: 92%, RR: 35,T:37.6.
His wife is now at the bedside and asks what is going on. Which statement is most
appropriate?
1. He is trying to breathe on his own, but it appears he is not doing a very good job. We
will need to sedate him more.
2. He is breathing on his own- which is a lot of work, but this is normal.We will wait a bit
longer.
3. He is trying to breathe on his own, but it appears he is working too hard.We will need
to stop the trial.
4. He is breathing with some support from the ventilator. As long as he triggers breaths,
he will get support from the ventilator-CORRECT ANSWER-3
,- he is working too hard and we do not need to drag this out any more. He needs more support
from the ventilator
CPAP settings-CORRECT ANSWER-Respirations Is this a setting?
- NO
-Patient takes own breaths
Volume Is this a setting?
-NO
Pressure Support Is this a setting?
-NO
PEEP Is this a setting?
-yes
FiO2
-yes
What happens when patient triggers own breath with CPAP?- CORRECT
ANSWER-No volume or pressure assistance- volume and frequency is up to the patient
,3|Page
Sedation considerations for CPAP- CORRECT ANSWER-No sedation (or minimal sedation in
some cases
Potential complications of CPAP-CORRECT ANSWER-If respiratory
depression,hypoventilation and hypoxia can result.
- Patient anxiety while off sedation
Nursing Priorities for CPAP-CORRECT ANSWER--Patient must be awake enough to breathe
on own and strong enough to take deep breaths
A final weaning mode
-patient may have anxiety
Example settings for CPAP- CORRECT ANSWER-FiO2 40%
PEEP 5
Pressure support settings:
(a mode and setting)- CORRECT ANSWER-Respirations Is this a setting?
-NO
-Patient must trigger every breath on their own
Volume Is this a setting?
-NO
Pressure Support Is this a setting?
, -yes
- specific amount of pressure will be provided with each breath triggered by the patient
PEEP Is this a setting?
-yes
FiO2
-yes
What happens when patient triggers own breath on pressure support?-CORRECT
ANSWER-Each triggered breath is supported with set amount of pressure
Sedation considerations for pressure support-CORRECT ANSWER-Minimal-patient must be
awake enough to trigger breaths on owvn - this is a weaning mode
Potential complications of pressure support-CORRECT ANSWER-If respiratory depression,
hypoventilation and hypoxia can result.
- Patient anxiety while off sedation
- Potential respiratory Alkalosis if tachypnea (getting assistance with every breath)
Nursing Priorities for pressure support- CORRECT ANSWER--Patient must be awake enough
to breathe on own
