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ACLS Written Exam Questions with Correct Answers 100% Verified 2025
Typology: Exams
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response system, you determine there is no pulse. What is your next action?: Start chest compressions of at least 100 per min.
mm Hg, the heart rate is 92/min, the nonlabored respiratory rate is 14 breaths/min, and the pulse oximetry reading is 97%. What assessment step is most important now?: Obtaining a 12 lead ECG.
most pts?: Peripheral IV
compressions.
below, and the patient has no pulse. Another member of your team resumes chest compressions, and an IV is in place. What management step is your next priority?: Administer 1mg of epinephrine
has no pulse. What is the next action?: Resume compressions
Prolonged interruptions in chest compressions.
complete chest recoil
fibrillation?: Providing quality compressions immediately before a defibrillation
attempt.
without a pulse
advanced airway in place?: Provide continuous chest compressions without pauses and 10 ventilations per minute.
an endotracheal tube while another performs continuous chest compressions. During subsequent ventilation, you notice the presence of a waveform on the capnography screen and a PETCO2 level of 8 mm Hg. What is the significance of this finding?: Chest compressions may not be effective.
of CPR quality.
originally presented in ventricular fibrillation. After the first shock, the ECG screen displayed asystole, which has persisted despite 2 doses of epinephrine, a fluid bolus, and high-quality CPR. What is your next treatment?- : Consider terminating resuscitive efforts after consulting medical control.
: Be sure oxygen is not blowing over the patient's chest during the shock.
for help and determining that the patient is not breathing, you are unsure whether the patient has a pulse. What is your next action?: Begin chest compressions.
defibrillation paddles?: Hands-free pads allow for a more rapid defibrillation.
pressions during CPR?: Continue CPR while charging the defibrillator.
refractory ventricular fibrillation?: Amioderone 300mg
10 seconds or less
team (RRT)?: Identifying and treating early clinical deterioration.
resuscitation attempt?: Switch providers about every 2 minutes or every 5 compression cycles.
with a pulse rate of 80/min?: 1 breath every 5-6 seconds
fatigue. On examination, the patient's heart rate is 35/min, the blood pressure is 70/ mm Hg, the respiratory rate is 22 breaths/min, and the oxygen saturation is 95%. What is the appropriate first medication?: Atropine 0.5mg
The initial atropine dose was ineffective, and your monitor/defibrilla- tor is not equipped with a transcutaneous pacemaker. What is the appropriate dose of dopamine for this patient?: 2 to 10 mcg/kg per minute
pressure is 110/70 mm Hg, respiratory rate is 18 breaths/min, and pulse oximetry reading is 98% on room air. The lead II ECG is shown below:: Vagal manuever.
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
at the left internal jugular vein, 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 the next recommended intervention?- : Adenosine 6mg IV push
be having an acute stroke. The hospital CT scanner is not working at this time. What should you do in this situation?: Divert the patient to a hospital 15 minutes away with CT capabilities.
: Evidence of rigor mortis.
epigastric pain. She had been taking oral antacids for the past 6 hours because she thought she had heartburn. The initial blood pressure is 118/72 mm Hg, the heart rate is 92/min and regular, the nonlabored respiratory rate is 14 breaths/min, and the pulse oximetry reading is 96%. Which is the most appropriate intervention to perform next?: Obtain a 12 lead ECG.
pulse. The heart rate is dropping rapidly and now shows a sinus brady- cardia at a rate of 30/min. What intervention has the highest priority?: Simple airway manuevers and assisted ventilations.
appropriate catheter is selected?: Suction during withdrawal but for no longer than 10 seconds.
clammy skin, you see this lead II ECG rhythm:What is the first intervention ?: Atropine 0.5mg
personnel measure a blood pressure of 140/90 mm Hg, a heart rate of 78/min, a nonlabored respiratory rate of 14 breaths/min, and a pulse oximetry reading of 97%. The lead II ECG displays sinus rhythm. What is the most appropriate action for the EMS team to perform next?: Cincinnati Prehospital Stroke Scale assessment
Upon arrival in the emergency department, the initial blood pressure is 138/78 mm Hg, the pulse rate is 80/min, the respiratory rate is 12 breaths/min, and the pulse oximetry reading is 95% on room air. The lead II ECG displays sinus rhythm. The blood glucose level is within normal limits. What interven- tion should you perform next?: Head CT scan
advanced airway in place?: 8-10 breaths per minute
He says he has no chest pain or shortness of breath. The blood pressure is 142/98 mm Hg, the pulse is 200/min, the respiratory rate is 14 breaths/min, and pulse oximetry is 95% on room air. What intervention should you perform next?: Obtain a 12 lead ECG.
patient is pale, diaphoretic, cool to the touch, and slow to respond to your questions. The blood pressure is 58/32 mm Hg, the heart rate is 190/min, the respiratory rate is 18 breaths/min, and the pulse oximeter is unable to obtain a reading because there is no radial pulse. The lead II ECG displays a regular wide-complex tachycardia. What intervention should you perform next?: Synchronized cardioversion
monitor?: Determine whether pulses are present.
tricular tachycardia
stable narrow-complex tachycardia?: 12mg
patient who achieves return of spontaneous circulation (ROSC)?: - 35-40mm Hg
cardiac arrest period for patients who achieve return of spontaneous circulation ROSC?: Responding to verbal commands
patient's neck when securing an advanced airway?: Obstruction of venous return from the brain
placement of an endotracheal tube?: Continuous waveform capnography
patient who achieves ROSC but is hypotensive during the post-car- diac arrest period?: 1 to 2 Liters
fluid, inotropic, or vasopressor administration in a hypotensive post-cardiac arrest patient who achieves ROSC?: 90mm Hg
ventilation and oxygenation.
CPR?: Continue CPR while the defibrillator is charging.
: Safety threat to providers
ventilation. The patient's lead II ECG appears below. What is your next action?: IV or IO access
emergency response team. What is your next action?: Check for a pulse.
aspiration during cardiac arrest?: Not recommended for routine use
fibrillation?: Produces a small amount of blood flow to the heart
per minute
CPR. After attaching a cardiac monitor, the responder observes the following rhythm strip. What is the most important early intervention?: de- fibrillation
continuous CPR. The next intervention is to: administer a second shock.
starting with chest compressions.
intravenous access during the attempted resuscitation of a patient in cardiac arrest?: Antecubital vein
resuscitation attempt?:. Every 2 minutes
pressions
with refractory ventricular fibrillation?: 300 mg
acknowledges when the medication is administered. What element of effective resuscitation team dynamics does this represent?: Closed-loop communication
: 5 to 10 seconds
determine that he is unresponsive and notice that he is taking agonal breaths. What is the next step in your assessment and management of this patient?: Check the patient's pulse.
action?: Administer the shock immediately and continue as directed by the AED.
asystole?: Epinephrine
2 inches
action?: Start chest compressions at a rate of at least 100/min.
nonshockable rhythm on the ECG monitor. What is the next action?: - Have a team member attempt to palpate a carotid pulse.
in cardiac arrest. What is the next most preferred route for drug administration?: Intraosseous (IO)
At least 100/min
patient's blood pressure is 102/59 mm Hg, the heart rate is 230/min, the respiratory rate is 16 breaths/min, and the pulse oximetry reading is 96%. The lead II ECG is displayed below. A patent peripheral IV is in place. What is the next action?: Vagal maneuvers
patient is diaphoretic, with associated shortness of breath. The blood pressure is
130/88 mm Hg, the heart rate is 110/min, the respiratory rate is 22 breaths/min, and the pulse oximetry value is 95%. The patient's 12-lead ECG shows ST-segment elevation in the anterior leads. First responders ad- ministered 160 mg of aspirin, and there is a patent peripheral IV. The pain is described as an 8 on a scale of 1 to 10 and is unrelieved after 3 doses of nitroglycerin. What is the next action?: Administer 2 to 4 mg of morphine by slow IV bolus.
breathing. The blood pressure is 132/68 mm Hg, the pulse is 130/min and regular, the respiratory rate is 12 breaths/min, and the pulse oximetry reading is 95%. The lead II ECG displays a wide-complex tachycardia. What is the next action after establishing an IV and obtaining a 12-lead ECG?: Seeking expert consultation
highest priority?: Obtain a 12-lead ECG and administer aspirin if not contraindicated.
now states she is asymptomatic after walking around. Her blood pressure is 102/72 mm Hg. She is alert and oriented. Her lead II ECG is below. After you start an IV, what is the next action?: Conduct a problem-focused history and physical examination.
one of the acute coronary syndromes?: 160 to 325 mg
patient is experiencing shortness of breath, a blood pressure of 68/50 mm Hg, and a heart rate of 190/min. The patient's lead II ECG is displayed below.: stable supraventricular tachycardia
this lead II ECG?: Synchronized cardioversion
(RRT)?: Improving patient outcomes by identifying and treating early clinical deterioration
arrest with a perfusing rhythm?: 10 to 12 breaths per minute
unconscious and in respiratory arrest. What is the recommended initial airway management technique?: Performing a head tilt-chin lift maneuver
presents with the following lead II ECG rhythm: What is the appropriate next intervention?: Synchronized cardioversion
rhythm: What is the appropriate next intervention?: Defibrillation
dioversion of atrial fibrillation?: 120to200J
sized oropharyngeal airway (OPA)?: Measure from the corner of the mouth to the angle of the mandible.
acute coronary syndromes?: Right ventricular infarction and dysfunction
immediate period after return of spontaneous circulation (ROSC)?: Admin- istration of IV or IO fluid bolus
achieves ROSC during an out-of-hospital resuscitation?: Transport the patient to a
facility capable of performing PCI.
arrest period for patients who achieve ROSC?: Decreased cerebral blood flow
hypothermia after cardiac arrest?: 32°C to 34°C
target temperature?: 12 to 24 hours
during the post- cardiac arrest period for patients who achieve ROSC?: - Potential oxygen toxicity
potension in a post- cardiac arrest patient who achieves ROSC?: 0.1 to 0.5 mcg/kg per minute IV infusion
and the patient has no pulse. You partner resumes chest com- pressions and an IV is in place. What management step is your next priority?- : Administer 1mg of epinephrine
appropriate defibrillation shocks, epinephrine 1 mg IV twice, and an initial dose of 300 mg amiodarone IV. The patient is intubated. A second dose of amiodarone is now called for. The recommend second dose of amiodarone is ?: 150 mg IV push
shocks have been given. One dose of epinephrine was given after the second shock. An anti arrhythmic drug was given immediately after the the third shock. What drug should the team leader request to be prepared for administration next?: second dose of epinephrine 1 mg
epinephrine has been given. Which is the next drug to anticipate to admin- ister?: amiodarone 300 mg
unresponsive. You observe the following rhythm on the cardiac moni- tor. A defibrillator is present. What is your first action?: Give a single shock
treat hypotension (fluids vasopressor) 12 lead EKG if in coma consider hypothermia if not in coma and ekg shows STEMI or AMI consider re-perfusion
hypovolemia hypoxia hydrogen ion (acidosis) hypo/hyperkalemia hypothermia tension pneumothorax tamponade, cardiac toxins thrombosis, pulmonary thrombosis, coronary
present
altered mental status signs of shock chest pain acute heart failure
blood pressure of 80/60. What is the initial dose of atropine?: 0.5 mg
mins to max of 3mg if that doesn't work try one of the following: transcutaneous pacing 2-10mcg/kg / minute dopamine infusion 2-10mcg per minute epinephrine infusion
hypotension altered mental status signs of shock chest pain acute heart failure
need to consider: wide QRS? greater than 0.12 seconds
combination of drugs can be administered by endotracheal route?: Lidocaine, epinephrine, vasopressin
2- Early CPR 3- Rapid defibrillation (not in peds) 4- Effective advanced life support 5- Integrated post-cardiac arrest care
sudden cardiac arrest: Agonal gasps
upper-right chest (below the collarbone) and place the other pad: to the side of the left nipple, with the top edge of the pad a few inches below the armpit
: ROSC return of spontaneous circulation