CCRN Barrons Exam 2025 Questions
and Answers
Which of the following ventilator settings is most likely to decrease the work of
breathing?
A
assist-control
clearYou selected.
B
pressure support
doneYou did not select.
C
tidal volume
D
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,CPAP - ANSWER-Answer: B
Pressure support senses the beginning of the patient's spontaneous inspiration and
provides a set pressure to assist the inspiratory effort. The primary purpose of the
ventilator settings listed in choices (A), (C), and (D) is not to decrease the work of
breathing.
A nurse is caring for a patient with an acute inferior wall MI, post coronary artery
stent deployment. For optimal care of this patient, the nurse should:
Select single answer choice.
A
administer an analgesic for acute back pain.clearYou selected.
B
apply a pressure dressing to the groin.clearYou did not select.
C
continuously monitor the patient in lead II.
D
maintain the patient in a supine position. - ANSWER-Answer: C
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,It is best practice to continuously monitor a patient, who is post coronary artery
stent deployment, in the lead that was most abnormal during the acute occlusion.
Lead II would most likely meet this criterion for a patient with an inferior wall MI.
The remaining interventions are NOT indicated for a patient who is post coronary
artery stent deployment.
A patient with aortic regurgitation will have which of the following upon
auscultation?
Select single answer choice.
A
a diastolic murmur, loudest at the fifth intercostal space, midclavicular
a systolic murmur, loudest at the apex of the heart
C
a diastolic murmur, loudest at the second intercostal space, right sternal border
D
a systolic murmur, loudest at the base of the heart - ANSWER-Answer: C
Aortic insufficiency (regurgitation) is the backflow of blood during the time when
the aortic valve should be closed. The aortic valve is closed during diastole;
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
, therefore, this patient has a diastolic murmur. The aortic area of auscultation is at
the base of the heart: the second intercostal space, right sternal border.
A patient has acute kidney injury with fluid overload, and continuous renal
replacement therapy (CRRT) has been ordered. Which of the following would
indicate the need for CRRT rather than intermittent hemodialysis?
Select single answer choice.
A
hyperkalemia
B.
a MAP of 45 mmHg
C
acidosis
D
severe hypoxemia - ANSWER-Answer: B
Hemodynamic instability, such as hypotension, is the indication for CRRT since it
does not cause the rapid fluid shifts that are seen with intermittent hemodialysis.
The remaining choices are not indications for CRRT.
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and Answers
Which of the following ventilator settings is most likely to decrease the work of
breathing?
A
assist-control
clearYou selected.
B
pressure support
doneYou did not select.
C
tidal volume
D
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,CPAP - ANSWER-Answer: B
Pressure support senses the beginning of the patient's spontaneous inspiration and
provides a set pressure to assist the inspiratory effort. The primary purpose of the
ventilator settings listed in choices (A), (C), and (D) is not to decrease the work of
breathing.
A nurse is caring for a patient with an acute inferior wall MI, post coronary artery
stent deployment. For optimal care of this patient, the nurse should:
Select single answer choice.
A
administer an analgesic for acute back pain.clearYou selected.
B
apply a pressure dressing to the groin.clearYou did not select.
C
continuously monitor the patient in lead II.
D
maintain the patient in a supine position. - ANSWER-Answer: C
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
,It is best practice to continuously monitor a patient, who is post coronary artery
stent deployment, in the lead that was most abnormal during the acute occlusion.
Lead II would most likely meet this criterion for a patient with an inferior wall MI.
The remaining interventions are NOT indicated for a patient who is post coronary
artery stent deployment.
A patient with aortic regurgitation will have which of the following upon
auscultation?
Select single answer choice.
A
a diastolic murmur, loudest at the fifth intercostal space, midclavicular
a systolic murmur, loudest at the apex of the heart
C
a diastolic murmur, loudest at the second intercostal space, right sternal border
D
a systolic murmur, loudest at the base of the heart - ANSWER-Answer: C
Aortic insufficiency (regurgitation) is the backflow of blood during the time when
the aortic valve should be closed. The aortic valve is closed during diastole;
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
, therefore, this patient has a diastolic murmur. The aortic area of auscultation is at
the base of the heart: the second intercostal space, right sternal border.
A patient has acute kidney injury with fluid overload, and continuous renal
replacement therapy (CRRT) has been ordered. Which of the following would
indicate the need for CRRT rather than intermittent hemodialysis?
Select single answer choice.
A
hyperkalemia
B.
a MAP of 45 mmHg
C
acidosis
D
severe hypoxemia - ANSWER-Answer: B
Hemodynamic instability, such as hypotension, is the indication for CRRT since it
does not cause the rapid fluid shifts that are seen with intermittent hemodialysis.
The remaining choices are not indications for CRRT.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
