Cardiac arrest is often due to a blockage of the blood vessels supplying oxygen to the heart muscle (heart attack). However, it can also occur due to the effects of which of the following? Select 2 answers.

• Common cold

• Drowning

• Ear infection

• Headache

• Breathing emergency

When giving high-quality CPR, you should give compressions at a top rate of which of the following per minute?

• 200 to 220

• 140 to 160

• 100 to 120

• 130 to 150

When giving high-quality CPR to an adult, you should give compressions at a depth of which of the following?

• About 2 inches

• At least 2 inches

• At least 1 ½ inches

• About 1 ½ inches

When giving high-quality CPR, you should minimize necessary interruptions in chest compressions to less than how many seconds?

• 25

• 15

• 20

• 10

When giving breaths during high-quality CPR, each breath should last about 1 second and make what happen?

• The chest begin to rise

• The chest fully rise

• The chest stay flat

• The chest compress

When giving compressions, how should the first aid responder position their body and arms?

• Shoulders in front of the hands and elbows locked

• Shoulders directly over the hands and elbows locked

• Shoulders directly over the hands and elbows slightly bent

• Shoulders extended beyond the hands and elbows locked

Before giving breaths to the adult, you should open their airway using the head-tilt/chin-lift technique to which position?

• Slightly past-neutral

• Neutral

• Past-neutral

• Significantly past-neutral

What is it important to do between giving the first and second breath?

• Allow the chest to fall and the air to exit

• Check for breathing by scanning for chest movement

• Check for a foreign object by looking in the person’s mouth

• Count to 10 between each breath

Which statement is correct about the responder's technique for giving breaths?

• The responder maintained an open airway, but he did not make a complete seal.

• The responder made a complete seal, but did not tilt the head back to open the airway.

• The responder did not give two breaths each lasting about 1 second.

• All of the above.

If the chest does not rise on the first breath, and you reopen the airway and give a second breath and the chest still does not rise, what might be a reason?

• The person may be breathing shallowly on their own.

• It may be too difficult to see chest rise through their clothing.

• The person might have stiff lungs that don’t expand.

• An object might be blocking the airway.