Barron/Elsevier CCRN Practice Test
Questions 2024/2025 Exam Questions
Marking Scheme New Update | A+ Rated
ADH - 🧠ANSWER ✔✔Phenytoin inhibits _______ secretion
Right - 🧠ANSWER ✔✔Most episodes of aspiration result in (right/left) lung
infiltrates.
urine creatinine clearance - 🧠ANSWER ✔✔Best indicator of GFR
Auto-PEEP - 🧠ANSWER ✔✔In a vented patient with status asthmaticus, check for
_______________
Air trapping - 🧠ANSWER ✔✔An increase in auto-PEEP is a sign of
_________________.
obstructive pulmonary disease - 🧠ANSWER ✔✔A patient with a flattened
diaphragm on a Chest X-ray and decreased expiratory flow rate most likely has
what type of disease?
II and V1 - 🧠ANSWER ✔✔____ and ______ are the two best P wave leads.
wide, notched P waves - 🧠ANSWER ✔✔What is a manifestation of left atrial
enlargement on an EKG in lead II?
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,normal - 🧠ANSWER ✔✔Diphasic P waves in lead V1 on 12-lead EKG are
abnormal/normal.
myoglobin - 🧠ANSWER ✔✔_________ is the earliest cardiac biomarker for a MI
(elevated within 3hrs s/p MI) and is nonspecific.
pleurodesis - 🧠ANSWER ✔✔injection of a sclerosing agent into the pleural space
and is used for pleural effusion
LAD - 🧠ANSWER ✔✔The__________ coronary artery supplies the bundle of His
and bundle branches
anterior (LAD affected) - 🧠ANSWER ✔✔_____________ MIs may cause blocks of
the bundle of His or bundle branches
Right Coronary Artery (RCA)... LCA in 10% of ppl - 🧠ANSWER ✔✔Type I AV block,
also called Wenckebach, is a block at the AV node, and the AV node is supplied
by the ___________________ (in 90% of people)
sinus - 🧠ANSWER ✔✔the ____________ node is supplied by the RCA in 55% of
ppl and LCA in 45%
pale and shiny - 🧠ANSWER ✔✔The skin changes associated with chronic
peripheral arterial disease
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,pain, pallor, pulselessness, paresthesia, paralysis, and polar (cold) - 🧠ANSWER
✔✔what are the 6 Ps of acute arterial occlusion?
less - 🧠ANSWER ✔✔There is (more/less) risk of burning of the skin with biphasic
waveform defibrillation than with monophasic.
necrosis - 🧠ANSWER ✔✔adding too much air to a ETT cuff can cause
overinflation and tracheal ______________.
myocardial infarction (MI) - 🧠ANSWER ✔✔What is the most common cause of
death after vascular surgery?
CAD - 🧠ANSWER ✔✔Because atherosclerosis does not occur in one vessel,
patients requiring vascular surgery are likely also to have
___________________________.
dissecting aortic aneurysm - 🧠ANSWER ✔✔The first diagnostic test should be a
CXR film for probable diagnosis. The film would reveal a widening mediastinum.
An additional, more indicative finding would be calcified aortic knob with
extension of the aortic wall.
left - 🧠ANSWER ✔✔A wide, notched P wave is an indication of ________ atrial
enlargement.
Page 3 of 41
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, P mitrale - 🧠ANSWER ✔✔Left atrial enlargement causes the P wave to be wide
(greater than 0.1 second) and notched. This sometimes is referred to as ___
__________.
mitral - 🧠ANSWER ✔✔___________ valve stenosis causes LA enlargement and
wide, notched P Waves
RCA (as seen in inferior wall MIs) - 🧠ANSWER ✔✔SA blocks, second-degree AV
block type I, and third-degree AV heart block at the level of the AV node would
occur in _______________ occlusion
left - 🧠ANSWER ✔✔The anterolateral heart wall is supplied by the ______
coronary artery
right - 🧠ANSWER ✔✔The SA node and the atrioventricular (AV) node are
supplied by the ________ coronary artery in most hearts.
AV - 🧠ANSWER ✔✔second degree Type I AV block is located anatomically at the
_____ node
Bundle of His - 🧠ANSWER ✔✔Second degree AV block Type II is located
anatomically at the ________________.
junctional escape - 🧠ANSWER ✔✔A third-degree AV heart block would have to
be blocked above the bundle of His to have what kind of rhythm?
Page 4 of 41
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions 2024/2025 Exam Questions
Marking Scheme New Update | A+ Rated
ADH - 🧠ANSWER ✔✔Phenytoin inhibits _______ secretion
Right - 🧠ANSWER ✔✔Most episodes of aspiration result in (right/left) lung
infiltrates.
urine creatinine clearance - 🧠ANSWER ✔✔Best indicator of GFR
Auto-PEEP - 🧠ANSWER ✔✔In a vented patient with status asthmaticus, check for
_______________
Air trapping - 🧠ANSWER ✔✔An increase in auto-PEEP is a sign of
_________________.
obstructive pulmonary disease - 🧠ANSWER ✔✔A patient with a flattened
diaphragm on a Chest X-ray and decreased expiratory flow rate most likely has
what type of disease?
II and V1 - 🧠ANSWER ✔✔____ and ______ are the two best P wave leads.
wide, notched P waves - 🧠ANSWER ✔✔What is a manifestation of left atrial
enlargement on an EKG in lead II?
Page 1 of 41
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,normal - 🧠ANSWER ✔✔Diphasic P waves in lead V1 on 12-lead EKG are
abnormal/normal.
myoglobin - 🧠ANSWER ✔✔_________ is the earliest cardiac biomarker for a MI
(elevated within 3hrs s/p MI) and is nonspecific.
pleurodesis - 🧠ANSWER ✔✔injection of a sclerosing agent into the pleural space
and is used for pleural effusion
LAD - 🧠ANSWER ✔✔The__________ coronary artery supplies the bundle of His
and bundle branches
anterior (LAD affected) - 🧠ANSWER ✔✔_____________ MIs may cause blocks of
the bundle of His or bundle branches
Right Coronary Artery (RCA)... LCA in 10% of ppl - 🧠ANSWER ✔✔Type I AV block,
also called Wenckebach, is a block at the AV node, and the AV node is supplied
by the ___________________ (in 90% of people)
sinus - 🧠ANSWER ✔✔the ____________ node is supplied by the RCA in 55% of
ppl and LCA in 45%
pale and shiny - 🧠ANSWER ✔✔The skin changes associated with chronic
peripheral arterial disease
Page 2 of 41
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,pain, pallor, pulselessness, paresthesia, paralysis, and polar (cold) - 🧠ANSWER
✔✔what are the 6 Ps of acute arterial occlusion?
less - 🧠ANSWER ✔✔There is (more/less) risk of burning of the skin with biphasic
waveform defibrillation than with monophasic.
necrosis - 🧠ANSWER ✔✔adding too much air to a ETT cuff can cause
overinflation and tracheal ______________.
myocardial infarction (MI) - 🧠ANSWER ✔✔What is the most common cause of
death after vascular surgery?
CAD - 🧠ANSWER ✔✔Because atherosclerosis does not occur in one vessel,
patients requiring vascular surgery are likely also to have
___________________________.
dissecting aortic aneurysm - 🧠ANSWER ✔✔The first diagnostic test should be a
CXR film for probable diagnosis. The film would reveal a widening mediastinum.
An additional, more indicative finding would be calcified aortic knob with
extension of the aortic wall.
left - 🧠ANSWER ✔✔A wide, notched P wave is an indication of ________ atrial
enlargement.
Page 3 of 41
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, P mitrale - 🧠ANSWER ✔✔Left atrial enlargement causes the P wave to be wide
(greater than 0.1 second) and notched. This sometimes is referred to as ___
__________.
mitral - 🧠ANSWER ✔✔___________ valve stenosis causes LA enlargement and
wide, notched P Waves
RCA (as seen in inferior wall MIs) - 🧠ANSWER ✔✔SA blocks, second-degree AV
block type I, and third-degree AV heart block at the level of the AV node would
occur in _______________ occlusion
left - 🧠ANSWER ✔✔The anterolateral heart wall is supplied by the ______
coronary artery
right - 🧠ANSWER ✔✔The SA node and the atrioventricular (AV) node are
supplied by the ________ coronary artery in most hearts.
AV - 🧠ANSWER ✔✔second degree Type I AV block is located anatomically at the
_____ node
Bundle of His - 🧠ANSWER ✔✔Second degree AV block Type II is located
anatomically at the ________________.
junctional escape - 🧠ANSWER ✔✔A third-degree AV heart block would have to
be blocked above the bundle of His to have what kind of rhythm?
Page 4 of 41
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
