BLS STUDY GUIDE TEST QUESTIONS
(AHA), BLS (AHA) QUESTIONS WITH
COMPLETE SOLUTIONS
why are chest compression important? - Answer-they pump blood to the rest of the
body
what is the first step to perform once the AED arrives on the scene? - Answer-turn on
the AED
When should you deliver a shock from the AED? - Answer-after the AED activates a
shock, charge, states a "clear the victim", and prompts me to push the shock bottom
what is the best way to relieve severe chocking in a responsive adult? - Answer-perform
abdominal thrust
what is the correct depth of chest compression for a child victim? - Answer-at least one
third the depth of the chest, approx. 2 inches
What is the recommended compression ventilation ration for 2 rescuer child CPR? -
Answer-15:2
what size AED pads should be used for child less that 8 years of age? - Answer-adult
pads/ dose may be used if peadrtic pads are not available
a choking adult become unresponsive while you are doing abdominal thrust for severe
chocking. what should you do next? - Answer-begin CPR
what is the recommended compression ventilation ration for 1 rescuer infant CPR -
Answer-30:2
what is the preferred technique for providing chest compressions during 2 rescuer CPR
for an infant? - Answer-the 2 thumb - encircling hands technique
where is the brachial pulse located? - Answer-on the inside of the upper arm between
the elbow and the shoulder.
As of 2017, what percent of people who have an out-of-hospital, non-traumatic cardiac
arrest, treated by EMS, survive to be discharged from the hospital? - Answer-10%
How does the AHA define adults, children and infants? - Answer-Adults = adolescents
(ie., after the onset of puberty and older
Children = 1 year of age to onset of puberty
,Infants = less than 1 year of age (excluding newly born infants in the delivery room)
What are signs of puberty? - Answer-Chest or underarm hair in males and any breast
development in females.
The BLS Course focuses on preparing students to perform ___ skills. - Answer-CPR
What are the two components of CPR? - Answer-1) chest compressions
2) breaths
What do these all describe?:
*Start compressions within 10 seconds
*Push hard, push fast
*Allow complete chest recoil
*Minimize interruptions
*Give effective breaths
*Avoid excessive ventilation - Answer-High-Quality CPR
How soon should compressions be started after the recognition of cardiac arrest? -
Answer-Within 10 seconds
At what rate should chest compressions be given? - Answer-100-120 beats/minute
At what depth should chest compressions be given in adults? - Answer-At least 2 inches
(5 centimeters)
At what depth should chest compressions be given in children? - Answer-At least 1/3
depth of chest , about 2 inches (5 centimeters)
At what depth should chest compressions be given in infants? - Answer-At least 1/3
depth of chest, about 1.5 inches (4 centimeters)
High-quality CPR includes minimizing interruptions in chest compressions. Try to limit
interruptions to less than __ seconds. - Answer-10
What constitutes an effective breath in high-quality CPR? - Answer-Making the chest
rise
Chest compressions are more often too shallow than too deep. However, research
suggest that compression depth greater than 2.4 inches (6 centimeters) in adults may
cause injuries. If you have a CPR quality feedback device, what is the optimal target for
compression depth? - Answer-2 - 2.4 inches (5 - 6 cm)
With adults, what is the first thing you should do when you recognize the adult is not
responsive? - Answer-Activate EMS or ask someone to do it.
, The sooner you activate EMS, the sooner the next level of care can arrive. Start high-
quality CPR without delay.
___ bridges the transition from BLS to more advanced care. - Answer-ALS
In which locations do most out-of-hospital cardiac arrests occur?
a. healthcare clinics
b. homes
c. recreational facilities
d. shopping centers - Answer-b. homes
Which is the most common cause of cardiac arrest in children?
a. cardiac problem
b. congenital or acquired heart defect
c. respiratory failure or shock
d. infection and sepsis - Answer-c. respiratory failure or shock
Which statement best describes sudden cardiac arrest?
a. when respiratory distress in adults occurs and the heart rate does not change
b. when the heart rate is 40 - 60/min and respirations increase
c. when the blood flow to the heart is blocked and the heart rate increases
d. when an abnormal rhythm develops and the heart stops beating unexpectedly -
Answer-d. when an abnormal rhythm develops and the heart stops beating
unexpectedly
What are the 3 main components of CPR - Answer-1) compressions
2) airway
3) breathing
What are 6 steps of the adult cardiac arrest algorithm? - Answer-1) verify scene
safety/note time if possible
2) assess responsiveness (tap shoulder and shout "ARE YOU OKAY?"
Not okay? [1] shout for help
[2] activate ems via cell phone if appropriate
[3] get AED/emergency equipment/Narcan (or send someone to do so)
3) look for breathing or only gasping [scan the victims chest for rise/fall] and check pulse
(simultaneously). Is pulse definitely felt within 10 seconds? Yes = monitor person until
emergency responders arrive
No breathing but + pulse = provide rescue breathing with 1 breath every 5 - 6 seconds
(total 10 - 12 breaths per minute). Consider triad of opioid OD (1. ask bystanders if
know what happened 2) look for track marks 3) look for pill bottles, needles, etc.)
Continue rescue breathing doing this while checking for a pulse about every 2 minutes.
If not pulse, start CPR. If possible opioid OD, give Narcan
(AHA), BLS (AHA) QUESTIONS WITH
COMPLETE SOLUTIONS
why are chest compression important? - Answer-they pump blood to the rest of the
body
what is the first step to perform once the AED arrives on the scene? - Answer-turn on
the AED
When should you deliver a shock from the AED? - Answer-after the AED activates a
shock, charge, states a "clear the victim", and prompts me to push the shock bottom
what is the best way to relieve severe chocking in a responsive adult? - Answer-perform
abdominal thrust
what is the correct depth of chest compression for a child victim? - Answer-at least one
third the depth of the chest, approx. 2 inches
What is the recommended compression ventilation ration for 2 rescuer child CPR? -
Answer-15:2
what size AED pads should be used for child less that 8 years of age? - Answer-adult
pads/ dose may be used if peadrtic pads are not available
a choking adult become unresponsive while you are doing abdominal thrust for severe
chocking. what should you do next? - Answer-begin CPR
what is the recommended compression ventilation ration for 1 rescuer infant CPR -
Answer-30:2
what is the preferred technique for providing chest compressions during 2 rescuer CPR
for an infant? - Answer-the 2 thumb - encircling hands technique
where is the brachial pulse located? - Answer-on the inside of the upper arm between
the elbow and the shoulder.
As of 2017, what percent of people who have an out-of-hospital, non-traumatic cardiac
arrest, treated by EMS, survive to be discharged from the hospital? - Answer-10%
How does the AHA define adults, children and infants? - Answer-Adults = adolescents
(ie., after the onset of puberty and older
Children = 1 year of age to onset of puberty
,Infants = less than 1 year of age (excluding newly born infants in the delivery room)
What are signs of puberty? - Answer-Chest or underarm hair in males and any breast
development in females.
The BLS Course focuses on preparing students to perform ___ skills. - Answer-CPR
What are the two components of CPR? - Answer-1) chest compressions
2) breaths
What do these all describe?:
*Start compressions within 10 seconds
*Push hard, push fast
*Allow complete chest recoil
*Minimize interruptions
*Give effective breaths
*Avoid excessive ventilation - Answer-High-Quality CPR
How soon should compressions be started after the recognition of cardiac arrest? -
Answer-Within 10 seconds
At what rate should chest compressions be given? - Answer-100-120 beats/minute
At what depth should chest compressions be given in adults? - Answer-At least 2 inches
(5 centimeters)
At what depth should chest compressions be given in children? - Answer-At least 1/3
depth of chest , about 2 inches (5 centimeters)
At what depth should chest compressions be given in infants? - Answer-At least 1/3
depth of chest, about 1.5 inches (4 centimeters)
High-quality CPR includes minimizing interruptions in chest compressions. Try to limit
interruptions to less than __ seconds. - Answer-10
What constitutes an effective breath in high-quality CPR? - Answer-Making the chest
rise
Chest compressions are more often too shallow than too deep. However, research
suggest that compression depth greater than 2.4 inches (6 centimeters) in adults may
cause injuries. If you have a CPR quality feedback device, what is the optimal target for
compression depth? - Answer-2 - 2.4 inches (5 - 6 cm)
With adults, what is the first thing you should do when you recognize the adult is not
responsive? - Answer-Activate EMS or ask someone to do it.
, The sooner you activate EMS, the sooner the next level of care can arrive. Start high-
quality CPR without delay.
___ bridges the transition from BLS to more advanced care. - Answer-ALS
In which locations do most out-of-hospital cardiac arrests occur?
a. healthcare clinics
b. homes
c. recreational facilities
d. shopping centers - Answer-b. homes
Which is the most common cause of cardiac arrest in children?
a. cardiac problem
b. congenital or acquired heart defect
c. respiratory failure or shock
d. infection and sepsis - Answer-c. respiratory failure or shock
Which statement best describes sudden cardiac arrest?
a. when respiratory distress in adults occurs and the heart rate does not change
b. when the heart rate is 40 - 60/min and respirations increase
c. when the blood flow to the heart is blocked and the heart rate increases
d. when an abnormal rhythm develops and the heart stops beating unexpectedly -
Answer-d. when an abnormal rhythm develops and the heart stops beating
unexpectedly
What are the 3 main components of CPR - Answer-1) compressions
2) airway
3) breathing
What are 6 steps of the adult cardiac arrest algorithm? - Answer-1) verify scene
safety/note time if possible
2) assess responsiveness (tap shoulder and shout "ARE YOU OKAY?"
Not okay? [1] shout for help
[2] activate ems via cell phone if appropriate
[3] get AED/emergency equipment/Narcan (or send someone to do so)
3) look for breathing or only gasping [scan the victims chest for rise/fall] and check pulse
(simultaneously). Is pulse definitely felt within 10 seconds? Yes = monitor person until
emergency responders arrive
No breathing but + pulse = provide rescue breathing with 1 breath every 5 - 6 seconds
(total 10 - 12 breaths per minute). Consider triad of opioid OD (1. ask bystanders if
know what happened 2) look for track marks 3) look for pill bottles, needles, etc.)
Continue rescue breathing doing this while checking for a pulse about every 2 minutes.
If not pulse, start CPR. If possible opioid OD, give Narcan
