For a single rescuer, the correct ratio is 30 compressions to 2 breaths.

The first step is to turn on the AED before attaching pads and following voice prompts.

Rescue breaths should be given before starting chest compressions in drowning victims.

AED pads should be placed at least 1 inch away from a pacemaker to avoid interference.

Visible chest rise is the best indicator that rescue breaths are effectively ventilating the lungs.

For a single rescuer, the correct ratio is 30 compressions to 2 breaths.

For adult CPR, compressions should be performed with two hands, one on top of the other, placed on the lower half of the sternum.

Gasping (agonal breathing) is not normal breathing and should not delay CPR.

Rescue breathing should be initiated for a patient with a pulse but no normal breathing.

For suspected spinal injury, the jaw thrust maneuver should be used instead of head tilt-chin lift.

Ventilations should be given every 6 seconds when an advanced airway is in place.

If a patient has a pulse but is not breathing adequately, healthcare providers should provide rescue breathing without chest compressions.

Rescue breathing is the correct response if the patient has a pulse but no breathing.

Adult chest compressions should be at least 2 inches (5 cm) deep.

A firm surface is needed to ensure effective compressions.

Once an advanced airway is in place, continuous compressions should be given at 100-120 per minute without pausing for breaths.

Switching roles every 2 minutes ensures high-quality compressions without fatigue.

High-quality CPR for children requires compressing at least 1/3 of the chest depth (about 2 inches or 5 cm).

Rescue breaths should be given before starting chest compressions in drowning victims.

Effective compressions allow full chest recoil, ensuring proper circulation.

Encourage the victim to keep coughing instead of immediately intervening.

Breaths should be delivered over 1 second each to produce visible chest rise.

If there is any doubt about the presence of a pulse, start chest compressions immediately.

Naloxone should only be administered if opioid overdose is suspected.

Clear role assignment and minimizing interruptions optimize CPR quality in a team setting.

The first step after turning on an AED is attaching the electrode pads.

Pulse checks should be performed approximately every 2 minutes when providing rescue breathing.

High-quality CPR for adults requires compressions at least 2 inches deep at a rate of 100-120 per minute.

Excessive ventilation can cause complications like gastric inflation.

A firm surface is needed to ensure effective compressions.

Over-ventilation can lead to increased intrathoracic pressure, reducing venous return and cardiac output.

High-quality CPR requires minimizing interruptions to maintain circulation.

A bag-mask device (BVM) is preferred for healthcare providers as it delivers more effective ventilations.

The carotid artery is the preferred site for pulse assessment in unresponsive adults.

AED pads should be placed at least 1 inch away from a pacemaker to ensure proper function.

Shifting the uterus to the left reduces pressure on the inferior vena cava, improving circulation.

Rescuers should switch every 2 minutes (or 5 cycles of compressions) to maintain high-quality CPR.

If a choking victim becomes unresponsive and pulseless, CPR should begin immediately, starting with compressions.

For a responsive choking adult, abdominal thrusts (Heimlich maneuver) should be used.

The E-C clamp technique ensures a tight seal while lifting the jaw for an open airway.

Unlike adults, the most common cause of cardiac arrest in infants and children is respiratory failure leading to hypoxia.

Visible chest rise confirms that breaths are being delivered effectively.

The correct compression depth for adult CPR is at least 2 inches (5 cm).

For two-rescuer infant CPR, the correct ratio is 15:2, not 30:2.

The two-thumb encircling hands technique is the preferred method for two-rescuer infant CPR, as it provides better depth and control.

Rescue breaths should be given before starting chest compressions in drowning victims.

Before starting CPR, check for a pulse for no more than 10 seconds to determine if compressions are needed.

The first step after turning on an AED is attaching the electrode pads.

If a patient is unresponsive with a suspected airway obstruction, chest compressions should be initiated immediately to help clear the airway.

Equal chest rise and fall confirms proper ventilation and airway placement.

Chest compressions should continue while the AED is charging to maintain circulation.

In BLS, medication administration is not a designated role—this falls under ACLS-level care.

Rescuers should switch every 2 minutes to maintain high-quality CPR and prevent fatigue.

Early defibrillation is the most critical step in increasing survival rates for patients in cardiac arrest with a shockable rhythm.

For a choking infant, back slaps and chest thrusts should be used instead of abdominal thrusts.