2024 CEN Sample Test Questions with 100% Correct Answers/ Verified Right ventricular infarction (RVI) lead changes - Correct Answer II, III, AVF R ventricular infarction s/s - Correct Answer clear breath sounds, hypotension, JVD.R ventricular dilation and dec contractility>> dec preload and CO Reperfusion therapy standard - Correct Answer Within 60 min of ED arrival Common causes of PEA - Correct Answer Hypoxia, tension pneumo, cardiac tamponade BNP as a marker - Correct Answer of L ventricular dysfunction bc ventricles make BNP and an inc of over 100 pg/ml indicates symptomatic HF Transcutaneous pacing (TCP) - Correct Answer 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 Answer 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 Answer 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 Answer 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 Answer With bradycardia, Osborne (J) waves and prolonged QT intervals 1 / 4
Sick sinus syndrome - Correct Answer 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 Answer Results in dec preload or dec venous return>> dec pulmonary congestion How to diagnose endocarditis - Correct Answer Echocardiogram Pericardiocentesis - Correct Answer For suspected pericardial effusion or tamponade Primary complication of bowel obstruction - Correct Answer Dehydration Testicular referred pain is indicative of? - Correct Answer Duodenal injury S/s pancreatitis - Correct Answer Sharp, boring, epigastric pain, inc after eating and having alcohol Dx with abd CT scan Paracentesis - Correct Answer Procedure to remove fluid that has accumulated in the abd cavity After doing paracentesis - Correct Answer Check pt for s/s shock, EKG, dressing, VS q 15 min Auscultate bowel obstruction - Correct Answer Freq and high pitched Dec or absent bowel sounds caused by - Correct Answer Paralytic ileus, paralysis, dec in peristalsis One cause of HYPOkalemia - Correct Answer Excess fluid loss from GI (ex: diarrhea) One cause of Magnesium depletion - Correct Answer Intestinal malabsorption 2 / 4
Bland diet is for - Correct Answer Peptic and gastric ulcers Chocolate enhances - Correct Answer S/s GERD Life threatening complications of acute pancreatitis - Correct Answer Atelectasis, pleural effusion, ARDS HELLP syndrome - Correct Answer Hemolysis, Elevated liver enzymes, Low platelets) Liver panel dx it S/s rhabdomyolysis - Correct Answer HYPERkalemia, brown urine, inc CPK, HYPERcalcemia Septal hematoma - Correct Answer Can occur with mid facial trauma; untreated can lead to abscess formation or avascular necrosis Ethmoid bone fx can cause - Correct Answer CSF leakage Preferred eye irrigation fluid - Correct Answer LR Pocket vision screener should be held ___ inches from nose? - Correct Answer 14 inches HHNC s/s - Correct Answer UA shows glycosuria without ketouria, polyuria, tachycardia, hypotension Acute renal failure (ARF) s/s - Correct Answer HYPERkalemia, HYPOnatremia, HYPOcalcemia, HYPERphosphatemia. K level is priority
BUN / Cr ratio that would dx prerenal failure - Correct Answer > 20:1
S/s HYPOcalcemia - Correct Answer muscle cramping 3 / 4
Latex allergy crossovers - Correct Answer Tomatoes, bananas, kiwis, white potatoes, avocados, bell peppers, peaches Tx acute HYPERkalemia - Correct Answer Ca and albuterol, sodium bicarb, insulin and dextrose 50%, kayexalate Kayexalate - Correct Answer Sodium polystyrene sulfonate takes 1-2 hrs to kick in Herpes zoster (shingles) transmission - Correct Answer Direct contact via vesicular fluid Fibromyalgia - Correct Answer Chronic fatigue, multiple somatic s/s, widespread pain and hypersensitivity Thyrotoxic crisis/storm s/s - Correct Answer Hyperthermia, agitation, tachydysrythmias Scabies tx - Correct Answer Pyrethrin liquid (RID), do 2nd tx 7-10 days later if 1st is done to try hair. If hair is wet, reapply in 24 hrs. Put washable items in plastic bags for 1-2 weeks until mites die Anterior AND lateral corticospinal tract - Correct Answer Voluntary muscle movement Lateral spinothalamic tract - Correct Answer Sharp pain and temperature Posterior tracts - Correct Answer Proprioception, fine touch, 2 pt discrimination Anterior spinothalamic tract - Correct Answer Crude touch A fib - Correct Answer Risk factor for embolic stroke Bell's Palsy cause - Correct Answer Paralysis of CN VIII
- / 4