Final answer:
False, when EMS arrive, it is usually best to let them take over and provide further medical assistance.
Step-by-step explanation:
The answer is False. When EMS (Emergency Medical Services) arrives, it is usually best to let them take over and provide further medical assistance to the patient. CPR (cardiopulmonary resuscitation) is an emergency procedure performed to manually maintain the circulation of blood when someone's heart has stopped.
It is typically performed by bystanders or healthcare professionals before EMS arrives.