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. - ANSD. 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 - ANSAns: 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 - ANSAns: 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. - ANSAns: 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 - ANSAns: 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. - ANSAns: 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. - ANSAns: 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% - ANSAns: 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. - ANSAns: 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. - ANSAns: 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 - ANSAns: 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. - ANSAns: 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.
C. A physician directs you to do so.
D. Care is transferred to a bystander. - ANSAns: D Care is transferred to a bystander
Question Type: General Knowledge
Page: A-8
14. CPR will NOT be effective if the patient is:
A. prone.
B. supine.
C. horizontal.
D. on a firm surface. - ANSAns: A prone.
Question Type: General Knowledge
Page: A-20
15. A patient should be placed in the recovery position when he or she:
A. is semiconscious, injured, and breathing adequately.
B. has experienced trauma but is breathing effectively.
C. is unconscious, uninjured, and breathing adequately.
, D. has a pulse but is unconscious and breathing shallowly. - ANSAns: C is unconscious,
uninjured, and breathing adequately.
Question Type: General Knowledge
Page: A-20
16. Even when properly performed, external chest compressions will provide only ___% of the
blood that is normally pumped by the heart.
A. 10
B. 20
C. 30
D. 50 - ANSAns: C 30
Question Type: General Knowledge
Page: A-20
17. You should deliver chest compressions to an unconscious adult patient in cardiac arrest by:
A. compressing quickly and releasing slowly.
B. compressing the lower third of the sternum.
C. placing the heel of your hand on the xiphoid.
D. depressing the sternum 2 inches to 2 ½ inches. - ANSAns: B
Question Type: General Knowledge
Page: A-21-A-23
18. In two-rescuer adult CPR, you should deliver a compression to ventilation ratio of:
A. 5:1
B. 5:2
C. 15:2
D. 30:2 - ANSAns: D 30:2
Question Type: General Knowledge
Page: A-26
19. To deliver the appropriate number of chest compressions per minute during one-rescuer
adult CPR, you will need to compress the patient's chest about ____ times per minute.
A. 80
B. 90
C. 100
D. 110 - ANSAns: C 100
Question Type: General Knowledge
Page: A-24
20. During two-rescuer CPR, the compressor becomes tired and wants to switch positions.
Before the switch is made, the rescuer providing ventilations should:
A. assess for a carotid pulse for about 10 to 15 seconds.
B. give two breaths and then prepare to start compressions.
C. immediately move to the chest and resume compressions.
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