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Chain of Survival Flashcards

7 cards from real BLS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Chain of Survival flashcards as text

  1. Which of the following BEST describes the purpose of the Chain of Survival concept?

    Answer: To illustrate that survival depends on a sequence of time-sensitive interventions

    The Chain of Survival emphasizes that each link must be performed promptly and in sequence to maximize the chance of survival.

  2. A 58-year-old man collapses in a shopping mall. A bystander calls 911 while another bystander begins chest compressions. A security guard retrieves the AED and applies it. Which links of the Chain of Survival are being activated?

    Answer: Recognition/activation, early CPR, and rapid defibrillation

    Calling 911 activates recognition/activation, chest compressions fulfill early CPR, and AED use represents rapid defibrillation.

  3. What is the role of 'advanced life support' (ALS) in the Chain of Survival?

    Answer: To provide medications, advanced airway management, and continued resuscitation by trained providers

    ALS providers deliver medications, advanced airway interventions, and ongoing resuscitation to optimize the chance of ROSC.

  4. If the 'recognition and activation' link fails — for example, no one calls 911 — what is the most likely outcome?

    Answer: All subsequent links are delayed or never initiated, drastically reducing survival

    Without EMS activation, advanced care and AED dispatch are delayed, and the entire chain collapses.

  5. Which statement about AED use in the Chain of Survival is TRUE?

    Answer: AEDs are designed for use by lay rescuers and provide voice prompts to guide defibrillation

    AEDs are designed for lay rescuers and guide the user through each step with audio and visual prompts.

  6. Post-cardiac arrest care includes which of the following interventions?

    Answer: Targeted temperature management, hemodynamic optimization, and coronary angiography if indicated

    Post-ROSC care focuses on neuroprotection via temperature management, stabilizing blood pressure, and treating underlying causes such as coronary artery occlusion.

  7. In communities with strong Chain of Survival programs, survival rates from out-of-hospital cardiac arrest can reach:

    Answer: 40–50%

    Communities with robust bystander CPR, AED programs, and post-arrest care have demonstrated survival rates approaching 40–50% for shockable rhythms.