Emergency Medical Technician (EMT) Basic Certification Practice Exam

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Prepare for the EMT Basic Certification Test. Use flashcards and multiple-choice questions, each with detailed hints and explanations. Ace your exam with confidence!

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What is the compression depth recommended for adult CPR?

1 inch
2 inches
3 inches
4 inches

The correct answer is: 2 inches

The recommended compression depth for adult CPR is 2 inches. This depth is crucial because it allows for optimal blood flow and circulation during cardiac arrest. When compressions are delivered at this depth, they can adequately compress the heart, allowing for effective pumping of blood to vital organs. Compressions that are too shallow may not generate enough pressure to circulate blood effectively, significantly diminishing the chances of survival for the patient. Conversely, compressions that are too deep can potentially cause injury to the victim’s chest and internal organs, which is why adhering to the guideline of 2 inches strikes the balance between effectiveness and safety. For adults, this depth is supported by clinical guidelines and research, making it a critical component of CPR training and practice.