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Barron/Elsevier CCRN practice test Questions and Answers well Explained Latest 2024/2025 Update 100% Correct. CA$11.60   Add to cart
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Barron/Elsevier CCRN practice test Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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How does COPD result in atrial fibrillation and predisposition to PEs? - COPD causes pulmonary hypertension, right ventricular hypertrophy, and right atrial enlargement. The right atrial enlargement causes stretching of the atrial tissue and frequently results in atrial dysrhythmias. SA blocks, ...

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  • September 9, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • barronelsevier ccrn

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Barron/Elsevier CCRN practice test
questions
How does COPD result in atrial fibrillation and predisposition to PEs? - COPD causes pulmonary
hypertension, right ventricular hypertrophy, and right atrial enlargement. The right atrial enlargement
causes stretching of the atrial tissue and frequently results in atrial dysrhythmias.



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 - RCA (as seen in inferior wall MIs)



There is (more/less) risk of burning of the skin with biphasic waveform defibrillation than with
monophasic. - less



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



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



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 - 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)



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



what are the 6 Ps of acute arterial occlusion? - pain, pallor, pulselessness, paresthesia, paralysis,
and polar (cold)



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

, 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. - dissecting aortic aneurysm



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



Left atrial enlargement causes the P wave to be wide (greater than 0.1 second) and notched. This
sometimes is referred to as ___ __________. - P mitrale



___________ valve stenosis causes LA enlargement and wide, notched P Waves - mitral




The anterolateral heart wall is supplied by the ______ coronary artery - left



The SA node and the atrioventricular (AV) node are supplied by the ________ coronary artery in most
hearts. - right



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



Second degree AV block Type II is located anatomically at the ________________. - Bundle of His



A third-degree AV heart block would have to be blocked above the bundle of His to have what kind of
rhythm? - junctional escape



The hypoxemia that results from COPD causes release of _______________ from the kidney, which
stimulates release of red blood cells from the bone marrow and polycythemia - erythropoietin
(EPO)




___________ are used primarily as antispasmodics in cath lab patients. - Nitrates

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