ACLS BLS and High-Quality CPR 4

Question 1

Which scenario represents an appropriate reason to briefly pause chest compressions?

Accepted Answer

To deliver a shock from a defibrillator

Answer

Compressions should be paused only for rhythm analysis and defibrillation; all other interventions should occur without stopping compressions.

Question 2

A patient is found unresponsive. A bystander says the patient collapsed 3 minutes ago. You have an AED available. What should you do?

Accepted Answer

Attach the AED and follow its prompts immediately

Answer

Early defibrillation is critical for shockable rhythms; attach the AED and use it as quickly as possible while CPR continues.

Question 3

Which of the following is considered a component of high-quality CPR according to the AHA?

Accepted Answer

Avoiding excessive ventilation

Answer

Avoiding excessive ventilation (which can increase intrathoracic pressure and reduce cardiac output) is a core principle of high-quality CPR.

Question 4

For a child (1 year to puberty) in cardiac arrest with two rescuers, what is the recommended compression-to-ventilation ratio?

Accepted Answer

15:2

Answer

Two-rescuer pediatric CPR uses a 15:2 ratio to account for children's higher respiratory needs relative to adults.

Question 5

A victim of drowning is unresponsive and apneic. Which modification to standard CPR sequence is recommended for this patient?

Accepted Answer

Begin with 2–5 rescue breaths before starting compressions

Answer

Drowning victims have an asphyxial arrest, so providing rescue breaths first addresses the underlying hypoxia before compressions.

ACLS Practice Test