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Q:1What is the correct depth of chest compressions for an adult victim?
The compression depth should be between 2 inches (5 cm) and 2.4 inches (6 cm). This depth ensures adequate circulation while minimizing risk of injury.
Q:2If a victim is suspected of having a neck injury, which method should be used to open the airway?
The jaw thrust maneuver is used for victims with a suspected neck injury. It opens the airway with minimal movement of the neck, reducing the risk of further spinal damage.
Q:3When assessing an unresponsive adult, what is the maximum duration the pulse check should last?
The pulse check must be performed quickly and should not last more than 10 seconds. Prolonged checking delays the start of vital chest compressions.
Q:4Which pulse site is primarily checked during BLS assessment of an adult victim?
The carotid artery in the neck is the most accessible and reliable site for checking a central pulse in an unresponsive adult victim during BLS.
Q:5Which pulse site is primarily checked during BLS assessment of an infant?
The brachial artery, located on the inside of the infant's upper arm, is the easiest and most reliable site to check for a pulse in a baby.
Q:6A child is gasping for breath but has a pulse rate of 100 per minute. The rescuers should:
If the pulse is 60 or more but breathing is ineffective, rescue breathing should be performed at a rate of 1 breath every 3 to 5 seconds, or 12 to 20 breaths per minute.
Q:7A child is not breathing but has a pulse rate of 50 per minute. The rescuers should:
When a child or infant has a pulse less than 60 beats per minute with signs of poor circulation, full CPR is required, starting with compressions, to improve oxygenation.
Q:8A conscious adult choking victim is grabbing their neck. What is the best initial response from the rescuer?
Abdominal thrusts (the Heimlich maneuver) are the standard, immediate response for relieving a severe airway obstruction in a conscious adult. Back blows are less effective in adults.
Q:9An infant who was choking becomes unresponsive. The immediate next step is to:
If a choking victim of any age becomes unresponsive, the priority shifts to starting CPR immediately. Always check the mouth for the object before rescue breaths, but never sweep blindly.
Q:10Efforts to relieve severe choking in a conscious adult should be stopped when:
Choking relief efforts stop if the object is expelled, the victim becomes unconscious (requiring CPR), or the victim shows signs of effective breathing, coughing, or talking.

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