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Cardiac Arrhythmias Practice Quiz (16 Questions)

This is a 16-item NCLEX style evidence encircling Cardiac Arrhythmias. The aim of this exam is to stipulate values and forthcoming values delay the instruction and expertness set to competently solicitude for patients delay cardiovascular problems. EXAM TIP: To shun errors in sagacity, do not discbalance comprehendledge into interrogations and shun speculating.
Success is not familiar, scarcity is not fatal: it is the fortitude to remain that counts. ~ Winston Churchill

Topics

Included topics in this habit ridicule are:
  • Cardiac Arrhythmias
  • Drugs that acceleration contrive cardiac rhythm
  • Electrocardiogram (ECG)

Guidelines

Follow the superintendlines adown to shape the most out of this exam:
  • Read each interrogation solicitudefully and prefer the best counter-argument.
  • You are abandoned one specific per interrogation. Spend your era wisely!
  • Answers and rationales are abandoned adown. Be solid to discbalance them.
  • If you want further clarifications, gladden plain them to the comments individuality.

Questions

Exam Mode

In Exam Mode: All interrogations are shown, but the products, counter-arguments, and rationales (if any) achieve singly be abandoned after you’ve artistic the ridicule. You are abandoned 1 specific per interrogation, a sum of 16 specifics for this exam.

Cardiac Arrhythmias Habit Ridicule (16 Questions)

Congratulations - you enjoy totald Cardiac Arrhythmias Habit Ridicule (16 Questions). You chargesd %%SCORE%% out of %%TOTAL%%. Your exploit has been scoldd as %%RATING%%
Your counter-arguments are highlighted adown.

Text Mode

In Text Mode: All interrogations and counter-arguments are abandoned for discovering and counter-argumenting at your own tread. You can too representation this exam and shape a printout. 1. A nurse is assessing an electrocardiogram rhythm dismantle. The P prospers and QRS intricatees are ordinary. The PR season is 0.16 assist, and QRS intricatees measolid 0.06 assist. The balanceall interior scold is 64 strikes per specific. The value assesses the cardiac rhythm as: 1. Typical sinus rhythm 2. Sinus bradycardia 3. Sick sinus syndrome 4. First-degree interior fill. 2. A value notices continual artifact on the ECG adviser for a client whose leads are united by cable to a comfort at the bedside. The value examines the client to individualize the suit. Which of the subjoined items is incredible to be chargeable on for the artifact? 1. Continual change-of-aspresage of the client 2. Tightly unendangered cable connections 3. Leads applied balance hairy areas 4. Leads applied to the limbs 3. A value is watching the cardiac adviser and notices that the rhythm suddenly changes. Tinextensive are no P prospers, the QRS intricatees are large, and the ventricular scold is ordinary but balance 100. The value individualizes that the client is experiencing: 1. Unauthenticated ventricular defilements 2. Ventricular tachycardia 3. Ventricular fibrillation 4. Sinus tachycardia 4. A value is viewing the cardiac adviser in a client’s admission and notes that the client has periodical bybypast into ventricular tachycardia. The client is revivify and on-the-watch and has amiable peel garbling. The value would ardispose to do which of the subjoined? 1. Straightway defibrillate 2. Ardispose for pacemaker insertion 3. Administer amiodarone (Cordarone) intravenously 4. Administer epinephrine (Adrenaline) intravenously 5. A value is caring for a client delay unsolid ventricular tachycardia. The value instructs the client to do which of the subjoined, if prescribed, during an product of ventricular tachycardia? 1. Breathe deeply, ordinaryly, and largely. 2. Inhale deeply and cough forcefully whole 1 to 3 assists. 3. Lie down level in bed 4. Remove any metal jewelry 6. A client is having continual unauthenticated ventricular defilements. A value would aspresage pre-eminence on toll of which of the subjoined items? 1. Blood pressolid and peripheral perfusion 2. Sensation of palpitations 3. Causative factors such as caffeine 4. Precipitating factors such as infection 7.  A client has familiar atrial fibrillation, which a ventricular scold of 150 strikes per specific. A value assesses the client for: 1. Hypotension and dizziness 2. Nausea and vomiting 3. Hypertension and headache 4. Level neck veins 8. A value is watching the cardiac adviser, and a client’s rhythm suddenly changes. Tinextensive are no P prospers; instead, tinextensive are wavy lines. The QRS intricatees measolid 0.08 assist, but they are disorderly, delay a scold of 120 strikes a specific. The value interprets this rhythm as: 1. Sinus tachycardia 2. Atrial fibrillation 3. Ventricular tachycardia 4. Ventricular fibrillation 9. A client delay speedy scold atrial fibrillation asks a value why the physician is going to total carotid massage. The value corresponds that this proceeding may embitter the: 1. Vagus resolution to inert the interior scold 2. Vagus resolution to acception the interior scold; balancedriving the rhythm. 3. Diaphragmatic resolution to inert the interior scold 4. Diaphragmatic resolution to balancedrive the rhythm 10. A value notes that a client delay sinus rhythm has a unauthenticated ventricular defilement that falls on the T prosper of the former strike. The client’s rhythm suddenly changes to one delay no P prospers or definable QRS intricatees. Instead, tinextensive are unrefined wavy lines of varying height. The value assesses this rhythm to be: 1. Ventricular tachycardia 2. Ventricular fibrillation 3. Atrial fibrillation 4. Asystole 11.  While caring for a client who has stayed an MI, the value notes view PVCs in one specific on the cardiac adviser. The client is receiving an IV absorption of D5W and oxygen at 2 L/minute. The value’s primitive way of enjoyment should be to: 1. Acception the IV absorption scold 2. Communicate the physician straightly 3. Acception the oxygen force 4. Administer a prescribed analgesic 12. The adaptations of a client delay total interior fill would most slight embrace: 1. Nausea and vertigo 2. Flushing and slurred speech 3. Cephalalgia and blurred vision 4. Syncope and inert ventricular scold 13. A client delay a lot shoot fill is on a cardiac adviser. The value should foresee to observe: 1. Sagging ST sections 2. Lack of P prosper configurations 3. Inverted T prospers subjoined each QRS intricate 4. Widening of QRS intricatees to 0.12 assist or elder. 14. When ventricular fibrillation procure-places in a CCU, the primitive individual reaching the client should: 1. Administer oxygen 2. Defibrillate the client 3. Initiate CPR 4. Administer sodium bicarbonate intravenously 15. What criteria should the value use to individualize typical sinus rhythm for a client on a cardiac adviser? Impede all that dedicate. 1. The RR seasons are relatively consistent 2. One P prosper precedes each QRS intricate 3. Four to view intricatees procure-aspresage in a 6-assist dismantle 4. The ST section is preferable than the PR season 5. The QRS intricate disposes from 0.12 to 0.20 assist. 16. When auscultating the apical pulse of a client who has atrial fibrillation, the value would foresee to attend a rhythm that is characterized by: 1. The influence of interrupted coupled strikes 2. Long pauses in an loosely ordinary rhythm 3. A uniform and sumly unpredictable disorderlyity 4. Inert but lifey and ordinary strikes

Answers and Rationale


1. Answer: 1. Normal sinus rhythm measurements are typical, measuring 0.12 to 0.20 assist and 0.4 to 0.10 assist, respectively. 2. Answer: 2. Tightly unendangered cable connections Motion artifact, or “noise,” can be suitd by continual client change-of-place, electrode importation on limbs, and scant adhesion to the peel, such as placing electrodes balance hairy areas of the peel. Electrode importation balance raw prominences too should be shuned. Signal suspension can too procure-aspresage delay electrode resistance and cable meanness. 3. Answer: 2. Ventricular tachycardia Ventricular tachycardia is characterized by the lack of P prospers, large QRS intricatees (usually elder than 0.14 assist), and a scold betwixt 100 and 250 influences per specific. The rhythm is usually ordinary. 4. Answer: 3. Administer amiodarone (Cordarone) intravenously First-line matter of ventricular tachycardia in a client who is hemodynamically solid is the use of antidysrhythmics such as amiodarone (Cordarone), lidocaine (Xylocaine), and procainamide (Pronestyl). Cardioversion too may be wanted to set-right the rhythm (cardioversion is recommended for solid ventricular tachycardia).
  • Option A: Defibrillation is used delay pulseclose ventricular tachycardia.
  • Option D: Epinephrine would embitter and already speedy ventricle and is contraindicated.
5. Answer: 2. Inhale deeply and cough forcefully whole 1 to 3 assists. Cough Cardiopulmonary Operation (CPR) casually is used in the client delay unsolid ventricular tachycardia. The value tells the client to use cough CPR, if prescribed, by inhaling deeply and coughing forcefully whole 1 to 3 assists. Cough CPR may conclude the dysrhythmia or stay the cerebral and coronary publicity for a inextensive era until other appraises can be implemented. 6. Answer: 1. Blood pressolid and peripheral perfusion Premature ventricular defilements can suit hemodynamic arbitrate. The inextensiveened ventricular satisfenjoyment era delay the ectopic strikes leads to curtaild stroke capacity and, if continual plenty, to decreased cardiac output.
  • Option B: The client may be asymptomatic or may reach palpitations.
  • Options C and D: PVCs can be suitd by cardiac disorders or by any reckon of physiological stressors, such as contagion, disorder, surgery, or trauma, and by the inprocure of caffeine, alcohol, or nicotine.
7. Answer: 1. Hypotension and dizziness The client delay loud atrial fibrillation delay a ventricular scold further than 150 strikes a specific is at destroy for low cardiac output besuit of dropping of atrial rebel. The value assesses the client for palpitations, chest pain or disagreeableness, hypotension, pulse failure, fatigue, imbecility, dizziness, syncope, inextensiveness of inspiration, and distended neck veins. 8. Answer: 2. Atrial fibrillation Atrial fibrillation is characterized by a dropping of P prospers; an inclined, wavy baseline; QRS term that is repeatedly delayin typical limits; and an irordinary ventricular scold, which can dispose from 60 to 100 strikes per specific (when inferior delay medications) to 100 to 160 strikes per specific (when loud). 9. Answer: 1. Vagus resolution to inert the interior scold Carotid sinus massage is one of the maneuvers used for vagal stimulation to curtail a speedy interior scold and maybe conclude a tachydysrhythmias. The others embrace inducing the gag reflex and interrogation the client to depuadmonish or suffer down. Medication therapy repeatedly is wanted as an supplement to obey the scold down or detain the typical rhythm. 10. Answer: 2. Ventricular fibrillation Ventricular fibrillation is characterized by disorderly, disconcerted undulations of varying heights. Ventricular fibrillation has no measurable scold and no perceptible P prospers or QRS intricatees and products from electrical chaos in the ventricles. 11. Answer: 2. Notify the physician straightly PVCs are repeatedly a herald of life-threatening dysrhythmias, including ventricular tachycardia and ventricular fibrillation. An interrupted PVC is not considered exposed, but if PVCs procure-aspresage at a scold elder than 5 or 6 per specific in the support-MI client, the physician should be notified straightway. Further than 6 PVCs per specific is considered grave and usually calls for decreasing ventricular sensibility by administering medications such as lidocaine.
  • Option A: Increasing the IV absorption scold would not curtail the reckon of PVCs.
  • Option C: Increasing the oxygen force should not be the value’s primitive way of enjoyment; rather, the value should communicate the physician straightly.
  • Option D: Administering a prescribed analgesic would not curtail ventricular sensibility.
12. Answer: 4. Syncope and inert ventricular scold In total atrioventricular fill, the ventricles procure balance the treadmaker office in the interior but at a abundantly inerter scold than that of the SA node. As a product, tinextensive is curtaild cerebral publicity, causing syncope. 13. Answer: 4. Widening of QRS intricatees to 0.12 assist or elder. Bundle shoot fill interferes delay the conduction of influences from the AV node to the ventricle provided by the abrecognized lot. Conduction through the ventricles is late, as evidenced by a largened QRS intricate. 14. Answer: 2. Defibrillate the client Ventricular fibrillation is a death-producing dysrhythmia and, unintermittently attested, must be concluded straightway by precordial horrify (defibrillation). This is usually a established physician’s appoint in a CCU. 15. Answer: 1, 2. The coherence of the RR season indicates ordinary rhythm. A typical P prosper antecedently each intricate indicates the influence originated in the SA node.
  • Option C: The reckon of intricatees in a 6-assist dismantle is multifarious by 10 to near the interior scold; typical sinus rhythm is 60 to 100.
  • Option D: Elevation of the ST section is a presage of cardiac ischemia and is unarelish to the rhythm.
  • Option E: The QRS term should be close than 0.12 assist; the PR season should be 0.12 to 0.20 assist.
16. Answer: 3. A uniform and sumly unpredictable disorderlyity In atrial fibrillation, multiple ectopic foci embitter the atria to shorten. The AV node is disqualified to cast all of these influences to the ventricles, producting in a precedent of exceedingly irordinary ventricular defilements.

See Also


You may too relish these other ridiculezes and exam tip provisos: Study Guides
Cardiovascular System
Respiratory System
Nervous System
Digestive and Gastrointestinal System
Endocrine System
Urinary System
Homeostasis: Fluids and Electrolytes
Cancer and Oncology Nursing
Burns and Burn Injury Management Emergency Nursing
Miscellaneous

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