BLS Exam 2025 – Basic Life Support
Certification Test, Study Guide, and Practice
Questions (Latest AHA Guidelines)
Prepare for your BLS Exam 2025 with the latest American Heart Association (AHA) Basic
Life Support certification study guide and practice test. Covers adult, child, and infant
CPR, AED operation, choking relief, and updated emergency response protocols. Ideal for
nurses, EMTs, medical assistants, and healthcare providers seeking to pass their BLS
certification exam on the first try.
BLS exam,
BLS certification test,
Basic Life Support exam 2025,
AHA BLS exam answers,
BLS practice test,
What is the correct compression-to-ventilation ratio for a 7-year-old child when 2 or more rescuers are
present?
a. 15 compressions to 1 breath
b. 15 compressions to 2 breaths
c. 20 compressions to 2 breaths
d. 30 compressions to 2 breaths - ANSWER-b. 15 compressions to 2 breaths
For what age victim is the 2 thumb-encircling hands technique recommended?
a. A child younger than 3 years of age
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b. A child older than 3 years of age
c. An infant older than 1 year
d. An infant younger than 1 year - ANSWER-d. An infant younger than 1 year
What is the correct chest compression depth for a child?
a. At least one fourth the depth of the chest, or approximately 1 inch (2.5cm)
b. At least one third of the chest, or approximately 1 1.2 inches (4cm)
c. At least one third the depth of the chest, or approximately 2 inches (5cm)
d. At least one half the depth of the chest, or approximately 3 inches (7.6cm) - ANSWER-c. At least one
third the depth of the chest, or approximately 2 inches (5cm)
What action should you take while the AED is analyzing the heart rhythm?
a. check the pulse
b. Continue chest compressions
c. Give rescue breaths only
d. Stand clear of the victim - ANSWER-d. Stand clear of the victim
After performing high-quality CPR for 5 minutes, the Team Leader frequently interrupts chest
compressions to check for a pulse. Which action demonstrates constructive intervention?
a. Ask another rescuer what he thinks should be done
b. Say nothing that contradicts the Team Leader
c. Suggest resuming chest compressions without delay
d. Wait until the debriefing session afterward to discuss it - ANSWER-c. Suggest resuming chest
compressions without delay
The Team Leader asks you to perform bag-mask ventilation during a resuscitation attempt, but you hsve
not perfected that skill. What would be an appropriate action to acknowledge your limitations?
a. Pick uo the bag-mask device and give it to another team member
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b. Pretend you did not hear the request and hope the Team Leader chooses someone else to do it
c. Tell the Team Leader you are not comfortable performing that task
d. Try to do it as best yoou can and hope another team member will see you struggling and take over -
ANSWER-c. Tell the Team Leader you are not comfortable performing that task
What is the appropriate action to demonstrate closed-loop communication when the Team Leader
assigns you a task?
a. Repeat back to the Team Leader the task assigned to you
b. Nod your head as an acknowledgement of the assigned task
c. Start performing the assigned tasks, but do not speak, to minimize noise
d. Wait for the Team Leader to address you by name before you acknowledge the task - ANSWER-a.
Repeat back to the Team Leader the task assigned to you
What is the correct compression-to-ventilation ratio for a single rescuer of a 3-year-old child?
a. 15 compressions to 1 breath
b. 15 compressions to 2 breaths
c. 20 compressions to 2 breaths
d. 30 compressions to 2 breaths - ANSWER-d. 30 compressions to 2 breaths
What is the correct chest compression depth for an infant?
a. At least one fourth the depth of the chest, or approximately 1 inch (2.5cm)
b. At least one third the depth of the chest, or approximately 1 1/2 inches (4cm)
c. At least one third the depth of the chest, or approximately 2 inches (5cm)
d. At least one half the depth of the chest, or approximately 2 1/2 inches (6.4cm) - ANSWER-b. At least
one third the depth of the chest, or approximately 1 1/2 inches (4cm)
What should you do when using an AED on an infant or a child younger than 8 years old of age?
a. Never use adult AED pads
b. Use adult AED pads
c. Use adult AED pads if the AED does not have child pads