**1. Which of the following is an independent part of the cardiopulmonary
system?**
a) Heart
b) Blood vessels
c) Blood
d) Trachea
e) Bronchi
f) Lungs
Correct Answer** a) Heart
**Explanation:** The cardiopulmonary system primarily involves the heart and
lungs working together to circulate blood and oxygen. The heart is a central,
independent organ responsible for pumping blood throughout the body.
**2. How should you perform back blows on a choking victim?**
a) Use heel of hand with victim standing upright
b) Use heel of hand and victim should be bent forward at waist
c) Use palm of hand while victim is lying down
d) Use fingertips while victim is seated upright
Correct Answer** b) Use heel of hand and victim should be bent forward at waist
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, **Explanation:** Back blows are performed with the heel of the hand, and the victim
should be leaning forward to help dislodge the object causing choking.
**3. What are the steps to take if you witness someone needing CPR?**
a) Check scene, check victim, call 911, start compressions
b) Call 911, check victim, check scene, start compressions
c) Check victim, call 911, check scene, start compressions
d) Start compressions immediately without checking
**
Correct Answer** a) Check scene, check victim, call 911, start compressions
**Explanation:** The correct procedure is to ensure scene safety, assess the victim
for responsiveness, call emergency services, and then begin CPR.
**4. What is the recommended rate for performing chest compressions on all
victims?**
a) 80 compressions per minute
b) 100 compressions per minute
c) 120 compressions per minute
d) 140 compressions per minute
**
Correct Answer** b) 100 compressions per minute
**Explanation:** The American Heart Association recommends performing chest
compressions at a rate of approximately 100-120 per minute for effective CPR.
**5. What is the sixth step when using an AED?**
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