Basic Life Support (BLS) Practice Exam

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How does the rescue actions for cardiac arrest due to drowning differ from those for sudden cardiac arrest?

  1. More compressions are needed

  2. Oxygen should be prioritized

  3. Breaths are not necessary

  4. Adequate chest compressions are not needed

The correct answer is: Oxygen should be prioritized

In cases of cardiac arrest due to drowning, rescue actions emphasize the importance of providing oxygen, as the primary issue often stems from a lack of oxygen due to drowning. When a person drowns, they may be deprived of oxygen for a period of time, which can lead to severe hypoxia. Additionally, in drowning cases, it's critical to address the need for oxygen rapidly because the victim has likely inhaled water, potentially leading to respiratory issues. The need to prioritize oxygen is also reflected in the BLS sequence for a drowning victim, where rescue breaths should be administered as soon as possible in conjunction with chest compressions. This approach is different from sudden cardiac arrest situations, where the emphasis may be placed more on compressions with a focus on initiating the chain of survival promptly. Thus, in drowning scenarios, restoring oxygen flow is vital for survival and recovery. This understanding highlights the unique considerations for drowning victims in resuscitative efforts compared to other forms of cardiac arrest.

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