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USMC Knowledge (BST & Board Questions and Answers)
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USMC Knowledge (BST & Board Questions and Answers)
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ACLS Version B Questions andAnswers
1. what should be done to minimize interruptions in chest compressions
during CPR? Correct answer- continue CPR while the defibrillator is
charging
2. what condition is an indication to stop of withhold resuscitative efforts?
Correct answer- safety to threat providers?
3. After verifying the absence of a pulse, you initiate CPR with adequate
bag-mask ventilation. The patient's lead II ECG appears below. What is
your next action? Correct answer- IV or IO access
4. After verifying unresponsiveness and abnormal breathing, you activate
the emergency response team. What is your next action? Correct
answer- check for a pulse
5. what is the recommendation on the use of cricoid pressure to prevent
aspiration during cardiac arrest? Correct answer- not recommended for
routine use?
6. What survival advantages does CPR provide to a patient in ventricular
fibrillation? Correct answer- produces a small amount of blood flow to
the heart
7. what is the recommended compression rate for performing CPR?
Correct answer- at least 100 per minute
8. EMS personnel arrive to find a patient in cardiac arrest. Bystanders are
performing CPR. After attaching a cardiac monitor, the responder
observes the following rhythm strip. What is the most important early
intervention? Correct answer- defibrillation
9. a patient remains in ventricular fibrillation despite 1 shock and 2
minutes of continuous CPR. the next intervention is to: Correct answer-
administer a second shock
10. what is the recommended next step after a defibrillation
attempt? Correct answer- begin CPR, starting with chest compressions
, 11. which of the following is the recommended first choice for
establishing intravenous access during the attempted resuscitation of
a patient in cardiac arrest? Correct answer- antecubital vein
12. what is the recommended first intravenous dose of amiodarone
for a patient with refractory ventricular fibrillation? Correct answer-
300 mg
13. IV/IO drug administration during CPR should be Correct answer-
given rapidly during compressions
14. how often should the team leader switch chest compressors
during a resuscitation attempt? Correct answer- every 2 minutes
15. which finding is a sign of ineffective CPR? Correct answer-
PETCO2 <10 mm Hg
16. A team leader orders 1 mg of epinephrine, and a team member
verbally acknowledges when the medication is administered. What
element of effective resuscitation team dynamics does this represent?
Correct answer- closed-loop communication
17. how long should it take to perform a pulse check during the BLS
survey? Correct answer- 1 to 5 seconds
18. Your rescue team arrives to find a 59-year-old man lying on the
kitchen floor. You determine that he is unresponsive and notice that he
is taking agonal breaths. What is the next step in your assessment and
management of this patient? Correct answer- apply the AED
19. Which treatment or medication is appropriate for the treatment
of a patient in asystole? Correct answer- atropine
20. An AED advises a shock for a pulseless patient lying in snow.
What is the next action? Correct answer- administer the shock
immediately and continue as directed by the AED
21. what is the minimum depth of chest compressions for an adult in
cardiac arrest? Correct answer- 2 inches
22. a patient with pulseless ventricular tachycardia is defibrillated.
what is the next action? Correct answer- start chest compressions at a
rate of at least 100/min.
23. You have completed your first 2-minute period of CPR. You see
an organized, nonshockable rhythm on the ECG monitor. What is the
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