#1
What does the acronym 'BLS' stand for in the context of emergency medical care?
Basic Life Safety
Basic Life Support
Basic Life Saving
Basic Life Service
#2
Which of the following is a primary goal of basic life support (BLS)?
Administering medications
Restoring normal heart rhythm
Maintaining circulation and oxygenation
Performing advanced airway procedures
#3
During CPR, where should chest compressions be performed?
Over the upper abdomen
Over the lower rib cage
Over the sternum
Over the head
#4
Which of the following is a correct step in the 'ABC' approach to CPR?
Airway, Bleeding, Circulation
Airway, Breathing, Compression
Airway, Breathing, Chest
Airway, Breathing, Circulation
#5
Which of the following is a correct ratio of compressions to breaths during CPR for an adult victim?
30 compressions to 2 breaths
15 compressions to 1 breath
10 compressions to 2 breaths
5 compressions to 1 breath
#6
What is the recommended depth of chest compressions for adult victims during CPR?
At least 1 inch (2.5 centimeters)
At least 2 inches (5 centimeters)
At least 3 inches (7.5 centimeters)
At least 4 inches (10 centimeters)
#7
Which of the following actions should you take when using an automated external defibrillator (AED)?
Administer chest compressions while the AED analyzes
Administer rescue breaths while the AED analyzes
Pause CPR and wait for the AED to charge
Continue CPR without using the AED
#8
Which of the following actions should you take first when encountering an unresponsive victim?
Check for breathing
Check for pulse
Administer chest compressions
Activate emergency medical services (EMS)
#9
What is the correct hand placement for chest compressions on an adult victim during CPR?
Center of the chest between the nipples
Lower half of the sternum
Upper abdomen below the rib cage
Over the throat
#10
In a situation where you're the first responder to a cardiac arrest, what should you do first?
Administer chest compressions
Activate the emergency response system
Check for a pulse
Open the airway and give rescue breaths
#11
What is the recommended depth of chest compressions for pediatric victims during CPR?
At least 1/2 inch (1.25 centimeters)
At least 1 inch (2.5 centimeters)
At least 1 1/2 inches (4 centimeters)
At least 2 inches (5 centimeters)
#12
What is the ratio of compressions to breaths during CPR for pediatric victims?
30 compressions to 2 breaths
15 compressions to 1 breath
10 compressions to 2 breaths
5 compressions to 1 breath
#13
What is the recommended compression rate during CPR for both adult and pediatric victims?
Less than 50 compressions per minute
Between 50 and 100 compressions per minute
Between 100 and 120 compressions per minute
More than 120 compressions per minute
#14
What is the main purpose of rescue breaths during CPR?
To provide oxygen to the victim's lungs
To stimulate the heart's electrical activity
To relieve airway obstruction
To warm the victim's body
#15
What is the recommended compression depth for infant victims during CPR?
1/2 inch (1.25 centimeters)
1 inch (2.5 centimeters)
1.5 inches (4 centimeters)
2 inches (5 centimeters)
#16
In the context of basic life support, what is the primary purpose of an airway adjunct?
To maintain an open airway
To administer medications
To stabilize the neck
To provide oxygen