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CEN Sample Test: Questions & Answers
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CEN Sample Test: Questions & Answers
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CEN Sample Test: Questions & AnswersRight ventricular infarction (RVI) lead changes Correct Ans - II, III,
AVF
R ventricular infarction s/s Correct Ans - clear breath sounds,
hypotension, JVD.
R ventricular dilation and dec contractility>> dec preload and CO
Reperfusion therapy standard Correct Ans - Within 60 min of ED
arrival
Common causes of PEA Correct Ans - Hypoxia, tension pneumo,
cardiac tamponade
BNP as a marker Correct Ans - of L ventricular dysfunction bc
ventricles make BNP and an inc of over 100 pg/ml indicates symptomatic HF
Transcutaneous pacing (TCP) Correct Ans - A beat after every pacer
spike is electrical capture. Beats are wide complex bc ventricle is paced.
Palpate central pulse, pt may still be hypotensive w/ diminished or absent
peripheral pulses.
Preferred tx with symptomatic brady esp in pts with acute MI
Wolff Parkinson-White (WPW) syndrome Correct Ans - shortened PR
interval and widened QRS complex with a delta wave. When there is an extra
electrical conduction path to heart causing electrical signal to arrive too soon
at ventricle (pt presents in tachy)
Brugada syndrome Correct Ans - R bundle branch block with ST
segment elevation in leads V1-V3 and inc risk of sudden cardiac death (SUDS),
common in young men
Wellen syndrome Correct Ans - T wave changes plus history of anginal
chest pain w/o serum marker abnormalities, EKG lacks Q waves and
significant ST segment elevation. Assoc with critical proximal L anterior
descending (LAD) artery stenosis
,Hypothermia associations Correct Ans - With bradycardia, Osborne (J)
waves and prolonged QT intervals
Sick sinus syndrome Correct Ans - Sinoatrial node (SA) the primary
heart pacemaker is not functioning properly resulting in bradydysrythmias
and/or tachydysrhythmias with potential for hypotension and syncope
Morphine and nitrates for tx pulmonary edema Correct Ans - Results
in dec preload or dec venous return>> dec pulmonary congestion
How to diagnose endocarditis Correct Ans - Echocardiogram
Pericardiocentesis Correct Ans - For suspected pericardial effusion or
tamponade
Primary complication of bowel obstruction Correct Ans - Dehydration
Testicular referred pain is indicative of? Correct Ans - Duodenal injury
S/s pancreatitis Correct Ans - Sharp, boring, epigastric pain, inc after
eating and having alcohol
Dx with abd CT scan
Paracentesis Correct Ans - Procedure to remove fluid that has
accumulated in the abd cavity
After doing paracentesis Correct Ans - Check pt for s/s shock, EKG,
dressing, VS q 15 min
Auscultate bowel obstruction Correct Ans - Freq and high pitched
Dec or absent bowel sounds caused by Correct Ans - Paralytic ileus,
paralysis, dec in peristalsis
One cause of HYPOkalemia Correct Ans - Excess fluid loss from GI (ex:
diarrhea)
, One cause of Magnesium depletion Correct Ans - Intestinal
malabsorption
Bland diet is for Correct Ans - Peptic and gastric ulcers
Chocolate enhances Correct Ans - S/s GERD
Life threatening complications of acute pancreatitis Correct Ans -
Atelectasis, pleural effusion, ARDS
HELLP syndrome Correct Ans - Hemolysis, Elevated liver enzymes,
Low platelets)
Liver panel dx it
S/s rhabdomyolysis Correct Ans - HYPERkalemia, brown urine, inc
CPK, HYPERcalcemia
Septal hematoma Correct Ans - Can occur with mid facial trauma;
untreated can lead to abscess formation or avascular necrosis
Ethmoid bone fx can cause Correct Ans - CSF leakage
Preferred eye irrigation fluid Correct Ans - LR
Pocket vision screener should be held ___ inches from nose? Correct Ans -
14 inches
HHNC s/s Correct Ans - UA shows glycosuria without ketouria,
polyuria, tachycardia, hypotension
Acute renal failure (ARF) s/s Correct Ans - HYPERkalemia,
HYPOnatremia, HYPOcalcemia, HYPERphosphatemia. K level is priority
BUN / Cr ratio that would dx prerenal failure Correct Ans - > 20:1
S/s HYPOcalcemia Correct Ans - muscle cramping
Latex allergy crossovers Correct Ans - Tomatoes, bananas, kiwis, white
potatoes, avocados, bell peppers, peaches
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