BLS for Adults

31

Review

Scenario: A 53-year-old man suddenly collapses and becomes unresponsive. You witness 

him collapse and are the first rescuer to arrive at the scene. You find him lying motionless 

on the floor. 

1.

 Which is the first action you should take in this situation?

a.  Activate the emergency response system

b.  Start high-quality CPR, beginning with chest compressions

c.  Start providing rescue breaths

d.  Verify that the scene is safe for you and the victim

2.

 The man doesn’t respond when you touch his shoulders and shout, “Are you OK?” 

What is your best next action?

a.  Check his pulse

b.  Start high-quality CPR

c.  Start providing rescue breaths

d.  Shout for nearby help

3.

 Several rescuers respond, and you ask them to activate the emergency response and 

retrieve the AED and emergency equipment. As you check for a pulse and breathing, 

you notice that the man is gasping for air and making “snorting” sounds. You do not 

feel a pulse. What is your best next action?

a.  Start high-quality CPR, beginning with chest compressions 

b.  Monitor the victim until additional, more experienced help arrives

c.  Provide rescue breathing by delivering 1 breath every 5 to 6 seconds

d.  Find someone to help by retrieving the nearest AED

4.

 What is the ratio of chest compressions to breaths when providing CPR to an adult?

a.  10 compressions to 2 breaths

b.  15 compressions to 2 breaths

c.  30 compressions to 2 breaths

d.  100 compressions to 2 breaths

5.

 What are the rate and depth for chest compressions on an adult?

a.  A rate of 60 to 80 compressions per minute and a depth of about 1 inch

b.  A rate of 80 to 100 compressions per minute and a depth of about 1½ inches

c.  A rate of 120 to 140 compressions per minute and a depth of about 2½ inches

d.  A rate of 100 to 120 compressions per minute and a depth of at least 2 inches

6.

 What action should you take when more rescuers arrive?

a.  Assign tasks to other rescuers and rotate compressors every 2 minutes or more 

frequently if needed to avoid fatigue

b.  Continue CPR while the AED is attached even if you are fatigued

c.  Wait for the most experienced rescuer to provide direction to the team

d.  Direct the team to assign a team leader and roles while you continue CPR

7.

 If you suspect that an unresponsive victim has head or neck trauma, what is the 

preferred method for opening the airway?

a.  Head tilt–chin lift

b.  Jaw thrust

c.  Head tilt–neck lift

d.  Avoid opening the airway

See Answers to Review Questions in the Appendix.