100%.
1. Basic life support (BLS) is noninvasive, meaning that it:
A. can only be performed by EMT-Basics.
B. focuses only on severe bleeding control.
C. is only used to treat an obstructed airway.
D. does not involve penetration of the body. correct answers D. does not involve penetration of
the body.
2. After ___ minutes without oxygen, some brain damage is almost certain.
A. 2
B. 4
C. 5
D. 6 correct answers Ans: D 6
Question Type: General Knowledge
Page: A-3
3. What is the minimum number of chest compressions that should be delivered per minute to a
4-month-old infant?
A. 90
B. 100
C. 110
D. 120 correct answers Ans: B. 100
Question Type: General Knowledge
Page: A-4
4. After establishing that an adult patient is unresponsive, you should:
A. open the airway.
,B. assess for breathing.
C. check for a carotid pulse.
D. attach an AED immediately. correct answers Ans: A open the airway.
Question Type: General Knowledge
Page: A-3, A-4
5. Which of the following is NOT a BLS intervention?
A. Abdominal thrusts
B. Chest compressions
C. Cardiac monitoring
D. Automated defibrillation correct answers Ans: C Cardiac monitoring
Question Type: General Knowledge
Page: A-5
6. Most out-of-hospital cardiac arrests occur as the result of:
A. open the airway.
B. open the airway.
C. an acute ischemic stroke.
D. obstruction of the airway. correct answers Ans: B open the airway.
Question Type: General Knowledge
Page: A-5
7. Which of the following statements regarding ventricular fibrillation (V-Fib) is MOST correct?
A. It is an uncommon dysrhythmia in patients with sudden cardiac arrest.
B. AEDs should not be used to defibrillate patients in ventricular fibrillation.
C. The only indication for immediate defibrillation is ventricular fibrillation.
,D. Survival rates decrease by 7% to 10% for each minute that V-Fib persists. correct answers
Ans: D Survival rates decrease by 7% to 10% for each minute that V-Fib persists
Question Type: General Knowledge
Page: A-5
8. What percentage of exhaled oxygen is delivered during mouth-to-mask breathing without
supplemental oxygen?
A. 10%
B. 16%
C. 21%
D. 32% correct answers Ans: B 16%
Question Type: General Knowledge
Page: A-5
9. The automated external defibrillator (AED) should be applied to:
A. uninjured patients who are pulseless and apneic.
B. trauma patients who are in cardiopulmonary arrest.
C. medical patients who have a very weak, slow pulse.
D. patients who you think may experience cardiac arrest. correct answers Ans: A uninjured
patients who are pulseless and apneic.
Question Type: General Knowledge
Page: A-5, A-6
10. Which of the following statements regarding the use of the AED in children is MOST
correct?
A. AEDs should never be used on children less than 8 years of age or less than 55 pounds.
B. AEDs are only effective in pediatric patients if severe trauma is the cause of their cardiac
arrest.
, C. AED use in children between 1 and 8 years of age involves pediatric pads and an energy
reducer.
D. AEDs are not used in pediatric patients because they do not experience ventricular fibrillation.
correct answers Ans: C AED use in children between 1 and 8 years of age involves pediatric pads
and an energy reducer
Question Type: General Knowledge
Page: A-6
11. Which of the following is considered to be an obvious sign of death and would not require
the initiation of CPR?
A. Dependent blood pooling
B. Pulselessness and apnea
C. Agonal respiratory effort
D. Severe cyanosis to the face correct answers Ans: A Dependent blood pooling
Question Type: General Knowledge
Page: A-6, A-7
12. CPR should be initiated when:
A. rigor mortis is obvious.
B. a valid living will is unavailable.
C. the carotid pulse is very weak.
D. signs of putrefaction are present. correct answers Ans: B a valid living will is unavailable.
Question Type: General Knowledge
Page: A-7
13. Which of the following is NOT an indication to stop CPR once you have started?
A. Pulse and respirations return.
B. You are physically exhausted.