2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
Barron/Elsevier CCRN practice test
Questions and Correct Answers | Latest
Update
Phenytoin inhibits _______ secretion
✓ -:- ADH
Most episodes of aspiration result in (right/left) lung infiltrates.
✓ -:- Right
Best indicator of GFR
✓ -:- urine creatinine clearance
In a vented patient with status asthmaticus, check for _______________
✓ -:- Auto-PEEP
An increase in auto-PEEP is a sign of _________________.
✓ -:- Air trapping
1|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
A patient with a flattened diaphragm on a Chest X-ray and decreased expiratory flow rate
most likely has what type of disease?
✓ -:- obstructive pulmonary disease
____ and ______ are the two best P wave leads.
✓ -:- II and V1
What is a manifestation of left atrial enlargement on an EKG in lead II?
✓ -:- wide, notched P waves
Diphasic P waves in lead V1 on 12-lead EKG are abnormal/normal.
✓ -:- normal
_________ is the earliest cardiac biomarker for a MI (elevated within 3hrs s/p MI) and is
nonspecific.
✓ -:- myoglobin
injection of a sclerosing agent into the pleural space and is used for pleural effusion
2|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
✓ -:- pleurodesis
The__________ coronary artery supplies the bundle of His and bundle branches
✓ -:- LAD
_____________ MIs may cause blocks of the bundle of His or bundle branches
✓ -:- anterior (LAD affected)
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)
✓ -:- Right Coronary Artery (RCA)... LCA in 10% of ppl
the ____________ node is supplied by the RCA in 55% of ppl and LCA in 45%
✓ -:- sinus
The skin changes associated with chronic peripheral arterial disease
✓ -:- pale and shiny
3|P a g e | G r a d e A + | 2 0 2 0 2 5
, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
what are the 6 Ps of acute arterial occlusion?
✓ -:- pain, pallor, pulselessness, paresthesia, paralysis, and polar (cold)
There is (more/less) risk of burning of the skin with biphasic waveform defibrillation than
with monophasic.
✓ -:- less
adding too much air to a ETT cuff can cause overinflation and tracheal ______________.
✓ -:- necrosis
What is the most common cause of death after vascular surgery?
✓ -:- myocardial infarction (MI)
Because atherosclerosis does not occur in one vessel, patients requiring vascular surgery are
likely also to have ___________________________.
✓ -:- CAD
4|P a g e | G r a d e A + | 2 0 2 0 2 5
Barron/Elsevier CCRN practice test
Questions and Correct Answers | Latest
Update
Phenytoin inhibits _______ secretion
✓ -:- ADH
Most episodes of aspiration result in (right/left) lung infiltrates.
✓ -:- Right
Best indicator of GFR
✓ -:- urine creatinine clearance
In a vented patient with status asthmaticus, check for _______________
✓ -:- Auto-PEEP
An increase in auto-PEEP is a sign of _________________.
✓ -:- Air trapping
1|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
A patient with a flattened diaphragm on a Chest X-ray and decreased expiratory flow rate
most likely has what type of disease?
✓ -:- obstructive pulmonary disease
____ and ______ are the two best P wave leads.
✓ -:- II and V1
What is a manifestation of left atrial enlargement on an EKG in lead II?
✓ -:- wide, notched P waves
Diphasic P waves in lead V1 on 12-lead EKG are abnormal/normal.
✓ -:- normal
_________ is the earliest cardiac biomarker for a MI (elevated within 3hrs s/p MI) and is
nonspecific.
✓ -:- myoglobin
injection of a sclerosing agent into the pleural space and is used for pleural effusion
2|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
✓ -:- pleurodesis
The__________ coronary artery supplies the bundle of His and bundle branches
✓ -:- LAD
_____________ MIs may cause blocks of the bundle of His or bundle branches
✓ -:- anterior (LAD affected)
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)
✓ -:- Right Coronary Artery (RCA)... LCA in 10% of ppl
the ____________ node is supplied by the RCA in 55% of ppl and LCA in 45%
✓ -:- sinus
The skin changes associated with chronic peripheral arterial disease
✓ -:- pale and shiny
3|P a g e | G r a d e A + | 2 0 2 0 2 5
, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
what are the 6 Ps of acute arterial occlusion?
✓ -:- pain, pallor, pulselessness, paresthesia, paralysis, and polar (cold)
There is (more/less) risk of burning of the skin with biphasic waveform defibrillation than
with monophasic.
✓ -:- less
adding too much air to a ETT cuff can cause overinflation and tracheal ______________.
✓ -:- necrosis
What is the most common cause of death after vascular surgery?
✓ -:- myocardial infarction (MI)
Because atherosclerosis does not occur in one vessel, patients requiring vascular surgery are
likely also to have ___________________________.
✓ -:- CAD
4|P a g e | G r a d e A + | 2 0 2 0 2 5
