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ACLS Practice Test

Take the free ACLS Pretest provided below in order to prepare you for our official ACLS online exam. The practice exam consists of 10 multiple-choice questions that are derived from the ACLS provider manual and adhere to the latest AHA and ECC guidelines. Correct answers & explanations will be shown once the practice test is submitted.

1. Early defibrillation is critical for victims of sudden cardiac arrest for the following reasons EXCEPT:

Answer Explanation

Ventricular fibrillation is a common out-of-hospital arrhythmia which results in sudden cardiac arrest and should be treated with rapid defibrillation.

Delayed defibrillation increases myocardial ischemia, further disorganizes cardiac electrical activity, and reduces the likelihood of successful defibrillation.

Asystole is the absence of meaningful electrical activity in the heart. It is not a fibrillating rhythm and therefore does not respond to defibrillation.

2. ACLS providers must make every effort to minimize any interruptions in chest compressions to no longer than:

Answer Explanation

In the 2010 guidelines the AHA emphasized limiting interruptions to chest compressions to 10 seconds or less.

When chest compressions are interrupted perfusion to the heart and brain rapidly drops, increasing the chance of damage due to lack of oxygen. Keeping the heart well-perfused increases the likelihood of return of spontaneous circulation, as well as the effectiveness of defibrillation.

3. The BLS Survey includes assessing which of the following?

Answer Explanation

“Airway, Breathing, Circulation…” was the BLS survey prior to the last AHA guideline revision in 2010 and has been replaced.

Responsiveness, Activate EMS and get AED, Circulation, and Defibrillation is the correct sequence in the AHA 2010 guidelines.

Blood Pressure is not part of the BLS survey.

Cardiac assessment and drugs are not part of the BLS survey.

4. All of the following are examples of Advanced Airways EXCEPT:

Answer Explanation

The Combitube ™, laryngeal mask airway (LMA), and endotracheal tube (ET tube) are all examples of advanced airways.

The nasopharyngeal airway is used to keep oral structures from falling to the back of the oropharynx and occluding the airway. It is an airway adjunct and not considered an advanced airway.

5. Hyperventilation can be harmful because it may:

Answer Explanation

Hyperventilation increases intrathoracic pressure during diastole which decreases venous return to the heart. This decreases preload which diminishes cardiac output.

6. Which of the following is NOT an element of effective resuscitation team dynamics?

Answer Explanation

Closed loop communication is present when team members repeat instructions back to the team leader confirming that the instruction was heard and understood as intended. This is an element of effective resuscitation team dynamics.

Clear roles and responsibilities allow each team member to perform tasks and be accountable for them. Overlap and omission are both eliminated with clear roles and responsibilities of team members and therefore are essential to effective resuscitation team dynamics.

Multiple team leaders create overlap and conflict and will reduce the effectiveness of a resuscitation team.

Knowing one’s limitations is important to effective resuscitation team dynamics to allow roles and responsibilities to be assigned to team members proficient in them.

7. Basic Airway Skills include all of the following EXCEPT:

Answer Explanation

Head tilt-chin lift is the basic method of managing an airway in ACLS and BLS protocols.

Jaw thrust without manipulation of the cervical spine is the basic method of managing the airway in victims in whom a spinal injury is suspected.

Bag-mask ventilation is a basic airway skill for two rescuer CPR when equipment is available.

Intubation with a laryngeal mask airway (LMA) is an advanced airway management device and is not considered a basic airway skill.

8. The compression-to-ventilation ratio during CPR for an adult prior to placement of an advanced airway is:

Answer Explanation

30:1 is incorrect.

30:2 is the correct ratio for compressions to ventilations according to the 2010 AHA guidelines.

15:2 is incorrect.

15:1 is incorrect.

9. Which type of suction catheter provides the most effective suctioning of the oropharynx and thick particulate matter?

Answer Explanation

The pediatric soft flexible catheter has small openings, poorly suited to suctioning thick secretions and particulate matter.

The Yankauer rigid suction catheter has large openings and a bulb shaped head which allow it to suction thick secretions and particulates from the oropharynx.

The laryngeal tube is an intubation tube, not a suction catheter

10. The ACLS Survey includes assessing which of the following?

Answer Explanation

While deformity may provide clues to traumatic injury, deformity is not part of the ACLS survey.

While defibrillation is an important intervention, it is covered under “Circulation” and is not the “D” represented in the ACLS survey.

While blood pressure is an important vital sign, it is a component of “Circulation”. In the ACLS survey the “B” stands for “Breathing”.

The ACLS survey is Airway, Breathing, Circulation, and Differential Diagnosis.

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