Barron/Elsevier CCRN Practice Test Exam Questions and Verified Detailed Answers | Already Graded A+

Barron/Elsevier CCRN Practice Test

Exam Questions and Verified Detailed

Answers | Already Graded A+


ADH - ✔✔Phenytoin inhibits _______ secretion


Right - ✔✔Most episodes of aspiration result in (right/left) lung infiltrates.


urine creatinine clearance - ✔✔Best indicator of GFR


Auto-PEEP - ✔✔In a vented patient with status asthmaticus, check for

_______________


Air trapping - ✔✔An increase in auto-PEEP is a sign of

_________________.


obstructive pulmonary disease - ✔✔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 - ✔✔____ and ______ are the two best P wave leads.


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,wide, notched P waves - ✔✔What is a manifestation of left atrial

enlargement on an EKG in lead II?


normal - ✔✔Diphasic P waves in lead V1 on 12-lead EKG are

abnormal/normal.


myoglobin - ✔✔_________ is the earliest cardiac biomarker for a MI

(elevated within 3hrs s/p MI) and is nonspecific.


pleurodesis - ✔✔injection of a sclerosing agent into the pleural space and

is used for pleural effusion


LAD - ✔✔The__________ coronary artery supplies the bundle of His and

bundle branches


anterior (LAD affected) - ✔✔_____________ MIs may cause blocks of the

bundle of His or bundle branches


Right Coronary Artery (RCA)... LCA in 10% of ppl - ✔✔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 - ✔✔the ____________ node is supplied by the RCA in 55% of ppl

and LCA in 45%


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,pale and shiny - ✔✔The skin changes associated with chronic peripheral

arterial disease

pain, pallor, pulselessness, paresthesia, paralysis, and polar (cold) -

✔✔what are the 6 Ps of acute arterial occlusion?


less - ✔✔There is (more/less) risk of burning of the skin with biphasic

waveform defibrillation than with monophasic.


necrosis - ✔✔adding too much air to a ETT cuff can cause overinflation

and tracheal ______________.


myocardial infarction (MI) - ✔✔What is the most common cause of death

after vascular surgery?


CAD - ✔✔Because atherosclerosis does not occur in one vessel, patients

requiring vascular surgery are likely also to have

___________________________.


dissecting aortic aneurysm - ✔✔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.


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, left - ✔✔A wide, notched P wave is an indication of ________ atrial

enlargement.


P mitrale - ✔✔Left atrial enlargement causes the P wave to be wide

(greater than 0.1 second) and notched. This sometimes is referred to as

___ __________.


mitral - ✔✔___________ valve stenosis causes LA enlargement and wide,

notched P Waves


RCA (as seen in inferior wall MIs) - ✔✔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 - ✔✔The anterolateral heart wall is supplied by the ______ coronary

artery


right - ✔✔The SA node and the atrioventricular (AV) node are supplied by

the ________ coronary artery in most hearts.


AV - ✔✔second degree Type I AV block is located anatomically at the

_____ node




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