NSC First Aid, CPR & AED Practice Exam
Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the first step when you arrive at the scene of an emergency?
a) Check for breathing
b) Call 911
c) Ensure the scene is safe
d) Begin CPR
You must first ensure the scene is safe to protect yourself and others
before providing care.
2. What does AED stand for?
a) Automatic Electrical Device
b) Automated External Defibrillator
c) Advanced Emergency Defibrillator
d) Automated Emergency Device
, An AED is an Automated External Defibrillator used to analyze heart
rhythm and deliver a shock.
3. What is the correct hand placement for adult chest compressions in
CPR?
a) On the lower abdomen
b) Center of the chest, on the lower half of the sternum
c) Over the left chest
d) On the upper sternum
Placing hands on the lower half of the sternum ensures effective
compressions to pump blood.
4. How deep should chest compressions be for an adult?
a) 1 inch
b) 1.5 inches
c) 2 inches (5 cm)
d) 3 inches
The correct compression depth for adults is about 2 inches (5 cm).
5. What is the recommended compression rate for CPR?
a) 60 per minute
b) 80 per minute
c) 100–120 per minute
d) 150 per minute
Research shows 100–120 compressions per minute optimizes
circulation during CPR.
,6. If you witness a person collapse and they are unresponsive with no
breathing, what should you do first?
a) Give two rescue breaths
b) Check for a pulse for 60 seconds
c) Call 911 and get an AED if available
d) Place them in recovery position
Activating emergency response and retrieving an AED is the priority
before starting CPR.
7. What should you do if an infant is choking and becomes
unresponsive?
a) Give five back blows only
b) Continue to check the mouth
c) Begin CPR starting with chest compressions
d) Shake the infant gently
Once unresponsive, treat as cardiac arrest and begin CPR
immediately.
8. Which of the following is a sign of severe airway obstruction?
a) Weak coughing
b) Crying
c) Talking
d) Inability to breathe or speak
An inability to breathe or speak is a key indicator of a completely
blocked airway.
, 9. How many rescue breaths should be given after 30 compressions in
adult CPR (one rescuer)?
a) 1
b) 2
c) 3
d) 5
The ratio for one rescuer CPR is 30 compressions to 2 breaths.
10. When using an AED, what should you do immediately after
delivering a shock?
a) Wait for instructions from EMS
b) Resume chest compressions immediately
c) Give two breaths
d) Remove AED pads
Resuming CPR immediately after shock delivery maximizes survival
chances.
11. What should you check first when assessing an injured victim?
a) Pulse
b) Responsiveness
c) Breathing
d) Skin color
Check responsiveness to determine the level of consciousness.
12. What position should an unconscious breathing adult be placed
in if no spinal injury is suspected?
Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the first step when you arrive at the scene of an emergency?
a) Check for breathing
b) Call 911
c) Ensure the scene is safe
d) Begin CPR
You must first ensure the scene is safe to protect yourself and others
before providing care.
2. What does AED stand for?
a) Automatic Electrical Device
b) Automated External Defibrillator
c) Advanced Emergency Defibrillator
d) Automated Emergency Device
, An AED is an Automated External Defibrillator used to analyze heart
rhythm and deliver a shock.
3. What is the correct hand placement for adult chest compressions in
CPR?
a) On the lower abdomen
b) Center of the chest, on the lower half of the sternum
c) Over the left chest
d) On the upper sternum
Placing hands on the lower half of the sternum ensures effective
compressions to pump blood.
4. How deep should chest compressions be for an adult?
a) 1 inch
b) 1.5 inches
c) 2 inches (5 cm)
d) 3 inches
The correct compression depth for adults is about 2 inches (5 cm).
5. What is the recommended compression rate for CPR?
a) 60 per minute
b) 80 per minute
c) 100–120 per minute
d) 150 per minute
Research shows 100–120 compressions per minute optimizes
circulation during CPR.
,6. If you witness a person collapse and they are unresponsive with no
breathing, what should you do first?
a) Give two rescue breaths
b) Check for a pulse for 60 seconds
c) Call 911 and get an AED if available
d) Place them in recovery position
Activating emergency response and retrieving an AED is the priority
before starting CPR.
7. What should you do if an infant is choking and becomes
unresponsive?
a) Give five back blows only
b) Continue to check the mouth
c) Begin CPR starting with chest compressions
d) Shake the infant gently
Once unresponsive, treat as cardiac arrest and begin CPR
immediately.
8. Which of the following is a sign of severe airway obstruction?
a) Weak coughing
b) Crying
c) Talking
d) Inability to breathe or speak
An inability to breathe or speak is a key indicator of a completely
blocked airway.
, 9. How many rescue breaths should be given after 30 compressions in
adult CPR (one rescuer)?
a) 1
b) 2
c) 3
d) 5
The ratio for one rescuer CPR is 30 compressions to 2 breaths.
10. When using an AED, what should you do immediately after
delivering a shock?
a) Wait for instructions from EMS
b) Resume chest compressions immediately
c) Give two breaths
d) Remove AED pads
Resuming CPR immediately after shock delivery maximizes survival
chances.
11. What should you check first when assessing an injured victim?
a) Pulse
b) Responsiveness
c) Breathing
d) Skin color
Check responsiveness to determine the level of consciousness.
12. What position should an unconscious breathing adult be placed
in if no spinal injury is suspected?
