Basic Life Support (BLS) Practice Exam

What does CCF stand for in the context of CPR?

1. Cardiac Compression Frequency

2. Coronary Compression Force

3. Compressions to CPR fractions

4. Proportion of time that rescuers perform chest compressions during CPR

The correct answer is: Proportion of time that rescuers perform chest compressions during CPR

CCF, or the proportion of time that rescuers perform chest compressions during CPR, is a crucial concept in effective cardiopulmonary resuscitation. It highlights the importance of maintaining a high-quality, continuous effort in administering chest compressions, as this is essential for maximizing blood flow to the brain and heart during a cardiac arrest. Research has shown that an increased CCF correlates with better survival outcomes in patients who experience cardiac arrest. To achieve a high CCF, rescuers should minimize interruptions to chest compressions, ensuring that compressions are performed at the recommended rate and depth, while also effectively coordinating rescuer roles in a team setting. In contrast, the other options describe different aspects that may be related to CPR but do not accurately represent the definition of CCF. Cardiac Compression Frequency, for instance, focuses more on the number of compressions rather than the ratio of compression time to the overall CPR effort, while Compressions to CPR fractions would be a misinterpretation of the term. Lastly, Coronary Compression Force is not a recognized term within the guidelines. Thus, understanding CCF as the actual performance of chest compressions provides clarity on the necessity of consistent and effective CPR during life-saving efforts.