Bachelor of Health Science (BHS) Degree Practice Exam 2025 – All-in-One Study Guide for Exam Success!

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What is the purpose of using chest compressions during cardiopulmonary resuscitation (CPR)?

To provide oxygen

To circulate blood

The primary purpose of using chest compressions during cardiopulmonary resuscitation (CPR) is to circulate blood. When a person's heart stops beating effectively, vital organs, including the brain, are deprived of oxygen-rich blood, which can lead to irreversible damage within minutes. Chest compressions help manually pump the heart, creating blood flow to the critical areas of the body. This circulation increases the chances of survival and recovery until advanced medical help arrives, or the heart can be restarted.

While other actions may have their place in a broader emergency response context, they don't serve the primary function that chest compressions do in CPR. For instance, providing oxygen (which is also important during CPR) is usually done using rescue breaths, but chest compressions focus specifically on maintaining blood circulation, which is vital for sustaining life and minimizing injury.

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To reassure bystanders

To determine consciousness

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