BLS TEST QUESTIONS AND ANSWERS (AHA) —
STUDY GUIDE | LATEST UPDATE 2026/2027 | ACTUAL
EXAM | PRACTICE QUESTIONS AND ANSWERS |
EXAM REVIEW | 100% CORRECT ANSWERS |
VERIFIED SOLUTIONS| HIGHSELLER ALREADY
GRADED A+.
Course/Program: Basic Life Support (AHA)
Field of Study: Cardiopulmonary Resuscitation, Emergency
Cardiovascular Care, AED Use, Choking Relief
Level: Healthcare Provider, BLS Certification
Edition: 2026–2027
Introduction
This comprehensive practice examination is designed for healthcare
providers preparing for the American Heart Association Basic Life
Support certification and renewal. It contains 100 advanced multiple-
choice questions covering adult, child, and infant CPR, AED use, airway
management, choking, team dynamics, and special situations based on
current AHA guidelines. Each question includes a detailed rationale to
reinforce safe, evidence-based resuscitation practice. Use this document
to assess readiness, identify knowledge gaps, and strengthen
preparation for the 2026–2027 BLS examination. All questions are
original practice items and are not from actual AHA exams.
Table of Contents
1. Adult CPR and AED
2. Child CPR
3. Infant CPR
4. Airway Management and Ventilation
,5. Choking — Foreign Body Airway Obstruction
6. Team Dynamics and Communication
7. Special Situations
8. Post-Resuscitation Care
9. Pharmacology in BLS
10. Legal and Ethical Considerations
1.
What is the correct compression-to-ventilation ratio for one-rescuer
adult CPR?
A) 15:2
B) 30:2
C) 30:1
D) 5:1
Correct Answer: B
One-rescuer adult CPR uses a ratio of 30 compressions to 2 breaths. This
minimizes interruptions and maximizes perfusion. The 15:2 ratio is for
two-rescuer child or infant CPR.
2.
What is the recommended compression depth for an adult during high-
quality CPR?
A) At least 1 inch
B) At least 2 inches but not more than 2.4 inches
C) 1.5 inches
D) 3 inches
,Correct Answer: B
The AHA recommends a compression depth of at least 2 inches (5 cm)
and no more than 2.4 inches (6 cm) for adults. Compressions that are
too shallow fail to generate adequate blood flow; too deep may cause
injury.
3.
What is the correct rate of chest compressions for an adult in cardiac
arrest?
A) 60–80 per minute
B) 80–100 per minute
C) 100–120 per minute
D) 140–160 per minute
Correct Answer: C
The compression rate should be 100–120 compressions per minute. This
rate maximizes cardiac output while allowing for adequate chest recoil.
Rates below 100 reduce perfusion; above 120 may not allow full recoil.
4.
A rescuer finds an unresponsive adult with no normal breathing and no
pulse. What is the priority action after activating the emergency
response system?
A) Give 2 rescue breaths
B) Begin chest compressions immediately
C) Insert an advanced airway
D) Wait for an AED to arrive before starting CPR
Correct Answer: B
For an adult in cardiac arrest, start high-quality chest compressions
, immediately after activating the emergency response system. Breaths,
advanced airway, and AED follow compressions. Delaying compressions
reduces survival.
5.
What is the correct sequence for a single rescuer responding to an
unresponsive adult?
A) Check pulse, then call for help, then begin CPR
B) Assess responsiveness, shout for nearby help, activate emergency
response system, then check breathing and pulse, and begin CPR if
needed
C) Begin CPR immediately without checking responsiveness
D) Give 2 breaths before checking pulse
Correct Answer: B
The correct sequence is: verify scene safety, check responsiveness, shout
for help, activate the emergency response system (call 911 or code),
check breathing and pulse simultaneously for no more than 10 seconds,
then begin CPR if no pulse or not breathing normally. Starting CPR
without assessment is unsafe.
6.
When performing adult CPR, where should the hands be placed for
chest compressions?
A) On the upper half of the sternum
B) On the xiphoid process
C) On the lower half of the sternum, between the nipples
D) Over the left side of the chest
STUDY GUIDE | LATEST UPDATE 2026/2027 | ACTUAL
EXAM | PRACTICE QUESTIONS AND ANSWERS |
EXAM REVIEW | 100% CORRECT ANSWERS |
VERIFIED SOLUTIONS| HIGHSELLER ALREADY
GRADED A+.
Course/Program: Basic Life Support (AHA)
Field of Study: Cardiopulmonary Resuscitation, Emergency
Cardiovascular Care, AED Use, Choking Relief
Level: Healthcare Provider, BLS Certification
Edition: 2026–2027
Introduction
This comprehensive practice examination is designed for healthcare
providers preparing for the American Heart Association Basic Life
Support certification and renewal. It contains 100 advanced multiple-
choice questions covering adult, child, and infant CPR, AED use, airway
management, choking, team dynamics, and special situations based on
current AHA guidelines. Each question includes a detailed rationale to
reinforce safe, evidence-based resuscitation practice. Use this document
to assess readiness, identify knowledge gaps, and strengthen
preparation for the 2026–2027 BLS examination. All questions are
original practice items and are not from actual AHA exams.
Table of Contents
1. Adult CPR and AED
2. Child CPR
3. Infant CPR
4. Airway Management and Ventilation
,5. Choking — Foreign Body Airway Obstruction
6. Team Dynamics and Communication
7. Special Situations
8. Post-Resuscitation Care
9. Pharmacology in BLS
10. Legal and Ethical Considerations
1.
What is the correct compression-to-ventilation ratio for one-rescuer
adult CPR?
A) 15:2
B) 30:2
C) 30:1
D) 5:1
Correct Answer: B
One-rescuer adult CPR uses a ratio of 30 compressions to 2 breaths. This
minimizes interruptions and maximizes perfusion. The 15:2 ratio is for
two-rescuer child or infant CPR.
2.
What is the recommended compression depth for an adult during high-
quality CPR?
A) At least 1 inch
B) At least 2 inches but not more than 2.4 inches
C) 1.5 inches
D) 3 inches
,Correct Answer: B
The AHA recommends a compression depth of at least 2 inches (5 cm)
and no more than 2.4 inches (6 cm) for adults. Compressions that are
too shallow fail to generate adequate blood flow; too deep may cause
injury.
3.
What is the correct rate of chest compressions for an adult in cardiac
arrest?
A) 60–80 per minute
B) 80–100 per minute
C) 100–120 per minute
D) 140–160 per minute
Correct Answer: C
The compression rate should be 100–120 compressions per minute. This
rate maximizes cardiac output while allowing for adequate chest recoil.
Rates below 100 reduce perfusion; above 120 may not allow full recoil.
4.
A rescuer finds an unresponsive adult with no normal breathing and no
pulse. What is the priority action after activating the emergency
response system?
A) Give 2 rescue breaths
B) Begin chest compressions immediately
C) Insert an advanced airway
D) Wait for an AED to arrive before starting CPR
Correct Answer: B
For an adult in cardiac arrest, start high-quality chest compressions
, immediately after activating the emergency response system. Breaths,
advanced airway, and AED follow compressions. Delaying compressions
reduces survival.
5.
What is the correct sequence for a single rescuer responding to an
unresponsive adult?
A) Check pulse, then call for help, then begin CPR
B) Assess responsiveness, shout for nearby help, activate emergency
response system, then check breathing and pulse, and begin CPR if
needed
C) Begin CPR immediately without checking responsiveness
D) Give 2 breaths before checking pulse
Correct Answer: B
The correct sequence is: verify scene safety, check responsiveness, shout
for help, activate the emergency response system (call 911 or code),
check breathing and pulse simultaneously for no more than 10 seconds,
then begin CPR if no pulse or not breathing normally. Starting CPR
without assessment is unsafe.
6.
When performing adult CPR, where should the hands be placed for
chest compressions?
A) On the upper half of the sternum
B) On the xiphoid process
C) On the lower half of the sternum, between the nipples
D) Over the left side of the chest
