Free BLS Chain of Survival Questions and Answers

Question 1

What is the first link in the adult Chain of Survival?

Accepted Answer

Recognition and activation of emergency response

Answer

The first and most crucial step in the adult Chain of Survival is the immediate recognition of cardiac arrest and prompt activation of the emergency response system (e.g., calling 911/112). This ensures that professional help is on the way and sets the entire rescue process in motion. Without this initial recognition and call for help, subsequent links in the chain cannot be initiated effectively.

Question 2

Which link comes immediately after early CPR in the Chain of Survival?

Accepted Answer

Rapid defibrillation

Answer

In the adult Chain of Survival, rapid defibrillation immediately follows early CPR. While CPR circulates oxygenated blood to the brain and heart, it cannot correct the underlying electrical problem, such as ventricular fibrillation. Defibrillation is the definitive treatment to restore a normal heart rhythm, making its rapid application critical after CPR has been initiated.

Question 3

Why is early CPR important in the Chain of Survival?

Accepted Answer

It delays brain death

Answer

When the heart stops, blood flow to the brain ceases, and brain cells begin to die within minutes due to lack of oxygen. Early CPR, particularly chest compressions, circulates oxygenated blood to the brain and other vital organs. This delays brain death and keeps the heart muscle viable until defibrillation or advanced medical care can restore a normal heart rhythm.

Question 4

Which component focuses on stabilization and transport to definitive care?

Accepted Answer

Advanced life support

Answer

Advanced Life Support (ALS) is the link in the Chain of Survival that involves highly trained medical professionals, such as paramedics, providing advanced interventions. This includes administering medications, advanced airway management, and stabilizing the patient for transport to a hospital. The goal is to provide comprehensive care and prepare the patient for definitive treatment.

Question 5

What does post-cardiac arrest care aim to achieve?

Accepted Answer

Prevent further cardiac arrests

Answer

Post-cardiac arrest care focuses on optimizing the patient's recovery and preventing future cardiac events. This involves managing the patient's temperature, blood pressure, and oxygenation, as well as identifying and treating the underlying cause of the cardiac arrest. The ultimate goal is to improve long-term neurological outcomes and overall survival by addressing the root issues.

BLS - Basic Life Support Practice Test

BLS - Basic Life Support Practice Test

Free BLS Chain of Survival Questions and Answers