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ACLS Pre-Course Self-Assessment Questions with
Answers
1. Identify The ECG Strip: Atrial Flutter
2. Identify The ECG Strip: Second-degree atrioventricular block (Mobitz I Wencke- bach)
3. Identify The ECG Strip: Ventricular fibrillation
4. Identify The ECG Strip: Second-degree atrioventricular block (Mobitz I Wencke- bach)
5. Identify The ECG Strip: Monomorphic ventricular tachycardia
6. Identify The ECG Strip: Second-degree atrioventricular block (Mobitz II block)
7. Identify The ECG Strip: Ventricular fibrillation
8. Identify The ECG Strip: Ventricular fibrillation
9. Identify The ECG Strip: Atrial fibrillation
10. Identify The ECG Strip: Pulseless electrical activity
11. Identify The ECG Strip: Sinus Bradycardia
12. Identify The ECG Strip: Supraventricular Tachycardia
13. Identify The ECG Strip: Sinus Tachycardia
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14. Identify The ECG Strip: Third-degree Atrioventricular block
15. Identify The ECG Strip: Normal Sinus Rhythm
16. Identify The ECG Strip: Polymorphic Ventricular Tachycardia
17. Identify The ECG Strip: Agonal Rhythm/Asystole
18. Identify The ECG Strip: Second-degree Atrioventricular Block (Mobitz II Block)
19. Identify The ECG Strip: Sinus Bradycardia
20. Identify The ECG Strip: Supraventricular Tachycardia
21. A monitored patient in the ICU developed a sudden onset of narrow-com- plex tachycardia at a rate of
220/min. The patient's blood pressure is 128/58 mm Hg, the PETCO2 is 38 mm Hg, and the pulse oximetry reading is 98%. There is vascular access in the left arm, and the patient has not been given any vasoactive drugs. A 12-lead ECG confirms a supraventricular tachycardia with no evidence of ischemia or infarction. The heart rate has not responded to vagal maneuvers. What is your next action? Administer amiodarone 300 mg IV push Administer adenosine 6 mg IV push Perform synchronized cardioversion at 200 J Perform synchronized cardioversion at 50 J: Administer adenosine 6 mg IV push
22. You are caring for a 66-year-old man with a history of a large intracerebral hemorrhage 2 months ago. He is
being evaluated for another acute stroke. The CT scan is negative for hemorrhage. The patient is receiving oxygen via nasal cannula at 2 L/min, and an IV has been established. His blood pressure is 180/100 mm Hg. Which drug do you anticipate giving to this patient?
4 / the team leader. Which medication do you order next? Epinephrine 1 mg A second dose of the antiarrhythmic drug Epinephrine 3 mg Sodium bicarbonate 50 mEq: Epinephrine 1 mg
27. Which intervention is most appropriate for the treatment of a patient in asystole?
Atropine Transcutaneous pacing Defibrillation Epinephrine: Epinephrine
28. A patient with sinus bradycardia and a heart rate of 42/min has diaphoresis and a blood pressure of 80/
mm Hg. What is the initial dose of atropine? 0.1 mg 1 mg 3 mg 0.5 mg: 1 mg
29. A patient with STEMI has ongoing chest discomfort. Heparin 4000 units IV bolus and a heparin infusion of
1000 units per hour are being administered. The patient did not take aspirin because he has a history of gastritis, which was treated 5 years ago. What is your next action? Give enteric-coated aspirin 325 mg rectally Give aspirin 162 to 325 mg to chew Give enteric-coated aspirin 75 mg orally Give clopidogrel 300 mg orally: Give aspirin 162 to 325 mg to chew
30. A 57-year-old woman has palpitations, chest discomfort, and tachycardia. The monitor shows a regular
5 / wide-complex QRS at a rate of 180/min. She becomes diaphoretic, and her blood pressure is 80/60 mm Hg. Which action do you take next? Seek expert consultation Perform electrical cardioversion Establish IV access Obtain a 12-lead ECG: Perform electrical cardioversion
31. A patient is in refractory ventricular fibrillation and has received multiple appropriate defibrillation shocks,
epinephrine 1 mg IV twice, and an initial dose of amiodarone 300 mg IV. The patient is intubated. Which best describes the recommended second dose of amiodarone for this patient? 150 mg IV push 1 to 2 mg/min infusion 300 mg IV push 1 mg/kg IV push: 150 mg IV push
7 / Performing synchronized cardioversion Giving lidocaine 1 to 1. mg IV bolus Giving adenosine 6 mg IV bolus Seeking expert consultation: Seeking expert consultation
36. In which situation does bradycardia require treatment?
Diastolic blood pressure greater than 90 mm Hg 12-lead ECG showing a normal sinus rhythm Hypotension Systolic blood pressure greater than 100 mm Hg: Hypotension
37. What is the indication for the use of magnesium in cardiac arrest?
Shock-refractory monomorphic ventricular tachycardia Ventricular tachycardia associated with a normal QT interval Shock-refractory ventricular fibrillation Pulseless ventricular tachycardia-associated torsades de pointes: Pulseless ventricular tachycardia-associated torsades de pointes
38. You arrive on the scene with the code team. High-quality CPR is in progress. An AED has previously
advised "no shock indicated." A rhythm check now finds asystole. After resuming high-quality compressions, which action do you take next? Perform endotracheal intubation Call for a pulse check Insert a laryngeal airway Establish IV or IO access: Establish IV or IO access
39. A 35-year-old woman has palpitations, light-headedness, and a stable tachycardia. The monitor shows a
regular narrow-complex QRS at a rate of 180/min. Vagal maneuvers have not been effective in terminating the
8 / rhythm. An IV has been established. Which drug should be administered? Epinephrine 2 to 10 mcg/kg per minute Lidocaine 1 mg/kg Atropine 0.5 mg Adenosine 6 mg: Adenosine 6 mg
40. A 62-year-old man suddenly experienced difficulty speaking and left-sided weakness. He meets initial
criteria for fibrinolytic therapy, and a CT scan of the brain is ordered. Which best describes the guidelines for antiplatelet and fibrinolytic therapy? Give aspirin 120 mg and clopidogrel 75 mg orally Give aspirin 162 to 325 mg to be chewed immediately Give heparin if the CT scan is negative for hemorrhage Hold aspirin for at least 24 hours if rtPA is administered: Hold aspirin for at least 24 hours if rtPA is administered
41. How often should you switch chest compressors to avoid fatigue?
About every 2 minutes About every 4 minutes About every 5 minutes About every 3 minutes: About every 2 minutes
42. Your patient is a 56-year-old woman with a history of type 2 diabetes who reports feeling dizzy. She is pale
and diaphoretic. Her blood pressure is 80/60 mm Hg. The cardiac monitor documents the rhythm shown here. She is receiving oxygen at 4 L/min by nasal cannula, and an IV has been established. What do you administer next? Dopamine at 2 to 10 mcg/kg per minute Morphine sulfate 4 mg
10 / Ventilating too quickly Providing a good seal between the face and the mask Giving breaths over 1 second Providing just enough volume for the chest to rise: Ventilating too quickly
47. A patient becomes unresponsive. You are uncertain if a faint pulse is present. The rhythm shown here is
seen on the cardiac monitor. An IV is in place. Which action do you take next? Start high-quality CPR Begin transcutaneous pacing Administer epinephrine 1 mg IV Administer atropine 1 mg: Start high-quality CPR
48. A patient has been resuscitated from cardiac arrest. During post-ROSC treatment, the patient becomes
unresponsive, with the rhythm shown here. Which action is indicated next? Perform synchronized cardioversion Repeat amiodarone 300 mg IV Give lidocaine 1 to 1.5 mg/kg IV Give an immediate unsynchronized high-energy shock (defibrillation dose): - Give an immediate unsynchronized high-energy shock (defibrillation dose)
49. What is the maximum interval for pausing chest compressions?
10 seconds 20 seconds
11 / 25 seconds 15 seconds: 10 seconds
50. Which action should you take immediately after providing an AED shock?
Prepare to deliver a second shock Resume chest compressions Check the pulse rate Start rescue breathing: Resume chest compressions
51. Your patient is not responsive and is not breathing. You can palpate a carotid pulse. Which action do
you take next? Apply an AED Obtain a 12-lead ECG Start an IV Start rescue breathing: Start rescue breathing
52. You arrive on the scene to find CPR in progress. Nursing staff report the patient was recovering from a
pulmonary embolism and suddenly collapsed. Two shocks have been delivered, and an IV has been initiated. What do you administer now? Transcutaneous pacing Endotracheal intubation Epinephrine 1 mg IV Atropine 0.5 mg IV: Epinephrine 1 mg IV
53. A patient was in refractory ventricular fibrillation. A third shock has just been administered. Your team
looks to you for instructions. What is your next action?
13 / Epinephrine 1 mg
57. After initiation of CPR and 1 shock for ventricular fibrillation, this rhythm is present on the next rhythm
check. A second shock is given, and chest compressions are resumed immediately. An IV is in place, and no drugs have been given. Bag-mask ventilations are producing visible chest rise. What is your next intervention? Give epinephrine 1 mg IV/IO Administer 3 sequential (stacked) shocks at 320 J (monophasic defibrillator) Intubate and administer 100% oxygen Give amiodarone 300 mg IV/IO: Give epinephrine 1 mg IV/IO
58. A 35-year-old woman presents with a chief complaint of palpitations. She has no chest discomfort, shortness
of breath, or light-headedness. Her blood pressure is 120/78 mm Hg. Which intervention is indicated first? Adenosine 3 mg IV bolus Metoprolol 5 mg IV and repeat if necessary Vagal maneuvers Adenosine 12 mg IV slow push (over 1 to 2 minutes): Vagal maneuvers
59. You are providing bag-mask ventilations to a patient in respiratory arrest. How often should you provide
ventilations? Every 6 seconds Every 12 seconds Every 14 seconds Every 10 seconds: Every 6 seconds
60. What is the recommended compression rate for high-quality CPR?
70 to 80 compressions per minute 100 to 120 compressions per minute 50 to 20 compressions per minute
14 / 90 to 100 compression per minute: 100 to 120 compressions per minute
