Last Updated on June 13, 2024
BLS Pretest Chapter 1: General Concepts of Basic Life Support Quiz Questions Answers with explanation. This Basic Life Support (BLS) Chapter 1 Practice test is based on the later American Heart Association (AHA) guideline.
BLS Pretest Chapter 1: General Concepts of Basic Life Support
Which of the following is the first link in the adult Chain of Survival?
- (A) Early defibrillation
- (B) Early advanced care
- (C) Early CPR
- (D) Early recognition and activation of the emergency response system
What is the second step in the adult Chain of Survival?
- (A) Early CPR
- (B) Early defibrillation
- (C) Post-cardiac arrest care
- (D) Advanced life support
The final link in the Chain of Survival focuses on:
- (A) Early defibrillation
- (B) Advanced life support
- (C) Post-cardiac arrest care
- (D) Calling 911
What is the recommended chest compression rate for adult CPR according to the 2015 guidelines?
- (A) 60-80 compressions per minute
- (B) 80-100 compressions per minute
- (C) 100-120 compressions per minute
- (D) 120-140 compressions per minute
According to the 2015 BLS guidelines, the depth of chest compressions for adults should be:
- (A) At least 1 inch
- (B) At least 2 inches
- (C) At least 3 inches
- (D) At least 4 inches
What major change was made in the 2010 BLS guidelines?
- (A) Airway, Breathing, Compressions (ABC) was changed to Compressions, Airway, Breathing (CAB)
- (B) The use of AEDs was discouraged
- (C) Chest compressions were removed from the protocol
- (D) Ventilations were prioritized over compressions
When performing adult CPR, how often should rescuers switch roles to prevent fatigue?
- (A) Every 1 minute
- (B) Every 2 minutes
- (C) Every 5 minutes
- (D) Every 10 minutes
When performing one-rescuer CPR on an adult, the compression to ventilation ratio is:
- (A) 15:1
- (B) 15:2
- (C) 30:1
- (D) 30:2
If an adult victim has a pulse but is not breathing, you should:
- (A) Start chest compressions immediately
- (B) Perform abdominal thrusts
- (C) Provide rescue breaths
- (D) Check the blood pressure
In two-rescuer CPR for adults, the role of the second rescuer is to:
- (A) Call 911
- (B) Perform chest compressions
- (C) Provide ventilations and operate the AED
- (D) Check for a pulse
When using a pocket mask for mouth-to-mask ventilation, you should:
- (A) Blow as hard as possible
- (B) Use a compression to ventilation ratio of 15:1
- (C) Ensure a tight seal and deliver each breath over 1 second
- (D) Alternate breaths between rescuers
During bag-mask ventilation in two-rescuer CPR, the rescuer providing ventilations should:
- (A) Deliver one breath every 3-5 seconds
- (B) Deliver one breath every 5-6 seconds
- (C) Deliver one breath every 10 seconds
- (D) Deliver one breath every 15 seconds
The correct hand placement for chest compressions in adults is:
- (A) On the upper half of the breastbone
- (B) On the lower half of the breastbone, between the nipples
- (C) Just above the navel
- (D) On the left side of the chest
What is the recommended compression depth for adult CPR?
- (A) At least 1 inch
- (B) At least 1.5 inches
- (C) At least 2 inches
- (D) At least 2.5 inches
When should an AED be applied during an adult cardiac arrest?
- (A) As soon as it is available
- (B) After 5 minutes of CPR
- (C) After giving 2 rescue breaths
- (D) Only if the victim is unresponsive and not breathing
What is the primary purpose of chest compressions during CPR?
- (A) To clear the airway
- (B) To restart the heart
- (C) To circulate blood to the brain and vital organs
- (D) To provide oxygen to the lungs
In adult CPR, how often should you check for signs of life and a pulse?
- (A) Every 30 seconds
- (B) Every 1 minute
- (C) Every 2 minutes
- (D) Every 5 minutes
When performing CPR on an adult, you should minimize interruptions to:
- (A) 10 seconds or less
- (B) 20 seconds or less
- (C) 30 seconds or less
- (D) 1 minute or less
What is the correct sequence of steps for using an AED?
- (A) Power on the AED, attach electrode pads, analyze the rhythm, deliver a shock
- (B) Power on the AED, analyze the rhythm, attach electrode pads, deliver a shock
- (C) Attach electrode pads, power on the AED, analyze the rhythm, deliver a shock
- (D) Analyze the rhythm, power on the AED, attach electrode pads, deliver a shock
What is the recommended rate of compressions per minute in adult CPR?
- (A) 60-80 compressions per minute
- (B) 80-100 compressions per minute
- (C) 100-120 compressions per minute
- (D) 120-140 compressions per minute
How long should each breath be delivered during rescue breathing in adult CPR?
- (A) 0.5 seconds
- (B) 1 second
- (C) 1.5 seconds
- (D) 2 seconds
What is the purpose of allowing complete chest recoil after each compression?
- (A) To increase the rate of compressions
- (B) To allow the heart to refill with blood
- (C) To reduce fatigue in the rescuer
- (D) To enhance airway patency
When should you call for additional help during a CPR event?
- (A) Immediately after starting chest compressions
- (B) After delivering the first two rescue breaths
- (C) As soon as you recognize the victim is unresponsive and not breathing
- (D) Only if the AED indicates a shock is needed
During two-rescuer CPR, what is the role of the rescuer performing ventilations?
- (A) To check for a pulse
- (B) To provide compressions
- (C) To ensure chest rise with each breath
- (D) To apply the AED pads
In an adult victim, what is the recommended action if you find a weak pulse but the victim is not breathing?
- (A) Start chest compressions immediately
- (B) Provide rescue breaths
- (C) Apply the AED
- (D) Check for a medical alert bracelet
Chapter Wise Tests
- Chapter 1: General Concepts of Basic Life Support
- Chapter 2: BLS for Adults
- Chapter 3: Use of Automated External Defibrillator
- Chapter 4: BLS for Children
- Chapter 5: BLS for Infants (0 to 12 months)
- Chapter 6: AED for Children and Infants
- Chapter 7: AED for Airway Management
- Chapter 8: Relief of Choking
Full-Lenght Practice Tests