Final answer:
The correct chest compression depth for adult CPR is at least 2 inches (5cm), emphasizing high-quality compressions over breaths, with 100 compressions per minute. b. At least 2 inches (5cm)
Step-by-step explanation:
The recommended depth of chest compressions for an adult victim during CPR is at least 2 inches (5cm). The technique involves applying pressure to the sternum of the patient to manually compress the heart, pushing blood through the pulmonary and systemic circuits.
It is critical to perform these compressions properly to minimize potential harm and maximize the chances of sustaining life. High-quality chest compressions are currently emphasized over artificial respiration, at a depth of at least 5 cm, and at a rate of about 100 compressions per minute. It is crucial to receive proper training to administer CPR effectively and reduce the risk of injuries.