1. What is the correct chest compression rate?
100 – 120 per minute
Correct!
60 – 80 per minute 
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80 – 100 per minute 
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120 – 140 per minute
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2. What is the acceptable depth of chest compression?
5cm
Correct!
2cm 
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3cm 
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4cm
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3. Where should you place the heel of your hand during compression?
Centre of the breast bone
Correct!
Upper part of the breast bone
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Left side of the rib cage
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Right side of the rib cage
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4. How long would you check to see if an unconscious casualty is breathing normally?
Within 10 seconds
Correct!
Just a glance will do
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Exactly 1 minute
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At least 10 seconds
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5. You are the only COCPR provider and find an unconscious non-breathing adult, what should you do first?
Ensure safety
Correct!
Start CPR chest compressions
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Give five initial rescue breaths
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Call for help 
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6. How do you assess the responsiveness of a person suspected to be in cardiac arrest?
Shake his/her shoulders and ask if he or she is okay
Correct!
Use a pin to prick his/her finger to check if he or she would withdraw
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Pinch his/her nose and see if there is any response
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Shout loudly to his/her ear
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7. When you are doing COCPR, you should
Keep on compressing at a rate not less than 100 per minute
Correct!
Use alternate hand to compress to avoid tiredness
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Kneel on victim’s left side if you are right handed
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Assess responsiveness every 1 minute
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8. Which of the following cardiac arrest scenario is recommended for compression only CPR?
A 40 year old man who suddenly lost consciousness while playing mahjong
Correct!
A 50 year old man who was drowned
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A 60 year old woman collapsed due to accidental leakage of Towngas at home
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A 5 year old girl who suddenly collapsed while studying in class
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9. Which of the following statements is true?
Adequate recoil of the chest should be allowed after each compression
Correct!
Recoil of the chest would not occur if there is broken rib
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Inadequate recoil of chest between compression is harmful
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Recoil of chest is easier if the compression rate is closer to 100 per minute 
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10. Which of the following statements is true?
Compression only CPR can double or triple the chances of survival of cardiac arrest victims
Correct!
Only the emergency medical personnel are allowed to deliver COCPR to a victim of cardiac arrest
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On average, there are 2000 cases of out-of-hospital cardiac arrest per year in Hong Kong
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The bystander CPR rate in Hong Kong is over 40%
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11. What is occurring in ventricular fibrillation (VF)?
The ventricles of the heart are quivering rather than pumping
Correct!
The ventricles of the heart have stopped moving 
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The ventricles of the heart are contracting too slowly
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The ventricles of the heart are contracting with opposing rhythms
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12. What action should you take when the AED is analysing the heart rhythm?
Stand clear of the victim
Correct!
Push the shock button
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Continue chest compression
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Check the pulse
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13. Where should the AED pads be placed on the victim?
Right side upper chest, left side lower chest
Correct!
Below the nipples on both sides of the chest
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Above the nipples on both sides of the chest
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One on the chest and the other on the abdomen
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14. If the AED indicates no shock is needed, you should then
Resume CPR
Correct!
Try again
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Check the pulse and try again
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Take the pads off and reposition them 
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15. If you find a primary school kid in the playground who is not breathing, you should
Begin CPR immediately; use AED as soon as it is available
Correct!
Avoid using AED, so as to get away from the dangers
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Just sit next to the victim, and do nothing
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Start using AED straightaway, and no CPR performed
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