BLS MCQs – Set 8
71. When using a bag-mask device during 2-rescuer CPR, one rescuer should:
A. Deliver compressions and breaths
B. Squeeze the bag and check the pulse
C. Seal the mask and open the airway
D. Apply AED pads
✅ Answer: C. Seal the mask and open the airway
72. Which of the following best describes the purpose of high-quality CPR?
A. To increase blood pressure
B. To allow defibrillation to work
C. To maintain perfusion to vital organs
D. To prepare the body for intubation
✅ Answer: C. To maintain perfusion to vital organs
73. You check an unresponsive victim and see gasping breaths but no pulse. What should you do?
A. Give oxygen only
B. Start rescue breathing
C. Begin high-quality CPR
D. Wait for a second rescuer
✅ Answer: C. Begin high-quality CPR
74. What is the key action to reduce time to first chest compression in a collapsed victim?
A. Check pulse for 20 seconds
B. Delay CPR until AED arrives
C. Start compressions within 10 seconds
D. Wait for medical personnel
✅ Answer: C. Start compressions within 10 seconds
75. What should you do when an AED is analyzing the rhythm?
A. Continue chest compressions
B. Deliver rescue breaths
C. Clear the victim and avoid touching
D. Apply more gel to pads
✅ Answer: C. Clear the victim and avoid touching
76. What is the primary concern when providing CPR to a pregnant woman?
A. Avoid compressions
B. Provide breaths only
C. Manually displace the uterus to the left
D. Defibrillate with reduced energy
✅ Answer: C. Manually displace the uterus to the left
77. What is a common complication of poor mask seal during rescue breathing?
A. Gastric inflation
B. Increased tidal volume
C. Slower oxygenation
D. Chest pain
✅ Answer: A. Gastric inflation
78. What is the most appropriate action if an AED pad won’t stick to a sweaty chest?
A. Skip using the AED
B. Apply pads to the back
C. Dry the chest before applying pads
D. Use more gel
✅ Answer: C. Dry the chest before applying pads
79. Which of the following is true regarding CPR in a drowning victim?
A. Chest compressions only
B. Start with rescue breaths
C. Always give abdominal thrusts first
D. Check pulse for 30 seconds
✅ Answer: B. Start with rescue breaths
80. During 2-rescuer CPR for an adult, when should rescuers switch roles?
A. Every 5 cycles or about 2 minutes
B. After 30 minutes
C. Only when AED arrives
D. After 1 cycle
✅ Answer: A. Every 5 cycles or about 2 minutes
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