EXERCISES, LESSON 5
INSTRUCTIONS: Circle the letter of the response that BEST completes the statement or BEST answers the question. After you have completed all of the exercises, turn to “Solutions to Exercises” at the end of the lesson exercises and check your answers. For each exercise answered incorrectly, reread the material referenced after the solution.
1. Inhalation of vomitus and blood clots are more likely to be a cause of new airwayblockage in a(n):
a. Conscious casualty.
b. Unconscious casualty.
2. The most common cause of airway blockage in an unconscious adult casualty is:
a. Blood clots in the pharynx.
b. Small objects, such as buttons, lodged in the trachea.
c. Swallowed dentures.
d. The casualty’s tongue blocking the trachea.
3. A person who is choking and coughing weakly with high-pitched noises has a:
a. Complete airway obstruction.
b. Partial airway obstruction with good air exchange.
c. Partial airway obstruction with poor air exchange.
4. A person who is choking, but coughing forcefully, has a:
a. Complete airway obstruction.
b. Partial airway obstruction with good air exchange.
c. Partial airway obstruction with poor air exchange.
5. A person who is choking and cannot speak or cough has a:
a. Complete airway obstruction.
b. Partial airway obstruction with good air exchange.
c. Partial airway obstruction with poor air exchange.
6. Which of the following is used to help an adult choking casualty with good air exchange?
a. Backblows.
b. Manual thrusts.
c. Finger sweeps.
d. b and c above.
e. a, b, and c above.
f. None of the above.
7. A casualty with an airway obstruction who has a partial blockage with poor air exchange is treated as though he had:
a. Complete airway blockage.
b. Partial blockage with good air exchange.
8. A choking casualty with poor air exchange is standing. You should:
a. Administer abdominal or chest thrusts.
b. Administer backblows.
c. Administer finger sweeps.
d. Encourage the casualty to keep calm and keep coughing.
e. Have the casualty to lie down and elevate his feet.
9. Abdominal thrusts are usually preferred over chest thrusts when administering aid to a standing casualty with complete airway blockage. When are chest thrusts preferred?
a. When you cannot reach around the casualty’s midsection.
b. When the casualty is noticeably pregnant.
c. When the casualty has serious abdominal injuries.
d. The chest thrust is the preferred method in all of the above situations.
10. When is a thrust delivered directly to the xiphoid process located at the bottom of the breastbone?
a. When giving an abdominal thrust to a standing or sitting casualty.
b. When giving a chest thrust to a standing or sitting casualty.
c. When giving a chest thrust to an unconscious casualty.
d. When giving a chest thrust to an unconscious casualty.
e. None of the above. Force should never be applied directly to the xiphoid process.
11. A casualty has a blocked airway. You have delivered four abdominal thrusts with the casualty standing. The object has not yet been dislodged. What do you do next?
a. Begin administering chest thrusts.
b. Continue to administer abdominal thrusts.
c. Have the casualty to lie down and administer modified abdominal thrusts.
d. Have the casualty to lie down and administer chest thrusts.
12. When performing a chest thrust on a standing adult casualty who is choking, your hands should be:
a. On the upper half of the casualty’s sternum.
b. On the bottom half of the casualty’s sternum.
c. Over the casualty’s xiphoid process.
d. Between the casualty’s navel and rib cage.
13. You have expelled the airway obstruction from an unconscious casualty. The casualty is now conscious and breathing normally. Does the casualty need further examination?
a. No, he has recovered fully.
b. Only if he looses consciousness again.
c. Yes, he may have damage to his throat.
14. When helping a casualty with an airway obstruction, finger sweeps are used:
a. Only if the casualty is conscious.
b. Only if the casualty is unconscious.
c. Whether the casualty is conscious or unconscious.
15. You are about to administer abdominal thrusts to an adult casualty who is lying on his back. On what area of the casualty’s body will you apply the force (place your hands)?
a. Between the center of the sternum and the xiphoid process.
b. Over the xiphoid process.
c. Slightly above the navel and well below the xiphoid process.
d. Over the navel.
16. A conscious casualty has a partial blockage with good air exchange. What should you do to help the casualty?
a. Administer abdominal or chest thrusts.
b. Administer backblows.
c. Administer finger sweeps.
d. Encourage the casualty to keep calm and keep coughing.
17. Which of the following describes a proper placement of the rescuer’s hands for administering abdominal thrusts to a standing casualty?
a. Make a fist with one hand, place the fist over the compression site, and wrap your other hand around the fist.
b. Make a fist with one hand and place it over the compression site; then make a fist with your other hand and place it on top of the first fist.
c. Interlock your fingers; then place your hands on the casualty’s abdomen so that the compression site is located between the heels of your hands.
18. Which of the following describes a proper placement of the rescuer’s hand for administering chest thrusts to an unconscious adult casualty.
a. Make a fist with one hand, place the fist over the compression site, and wrap your other hand around the fist.
b. Make a fist with one hand and place it over the compression site; then make a fist with your other hand and place it on top of the first fist.
c. Place the heel of one hand over the compression site, place the heel of the other hand on the casualty’s chest next to your first hand, and extend the fingers of both hands away from your body.
d. Place the heel of one hand over the compression site, place your other hand on top of the first hand, and extend the fingers of both hands away from your body.
19. When administering chest thrusts to an unconscious casualty:
a. Your shoulders should be directly over your hands and your arms should be bent slightly at the elbows.
b. Your arms should be slightly bent at the elbows and at a 45 degree angle to the casualty’s sternum.
c. Your arms should be straight and at a 45 degree angle to the casualty’s sternum.
d. Your shoulders should be directly over your hands and your arms should be straight.
20. When performing chest thrusts on an unconscious adult, you should use enough force so that the casualty’s sternum is pushed down about:
a. 1/2 to 1 inch.
b. 1 to 1 1/2 inches.
c. 1 1/2 to 2 inches.
d. 2 to 2 1/2 inches.
e. 2 1/2 to 3 inches.
21. When administering a finger sweep, you should open the casualty’s airway by:
a. Grasping his tongue and lower jaw between the thumb and index finger of one hand and lifting.
b. Pressing on the casualty’s forehead until his neck is as hyperextended as possible.
c. Forcing the casualty’s mouth as wide open as possible.
d. Lifting the casualty’s neck until the neck is hyperextended and the mouth opens naturally.
SOLUTIONS TO EXERCISES, LESSON 5
1. b (paras 5-1b, c)
2. d (para 5-1d)
3. c (para 5-3b)
4. b (para 5-3a)
5. a (para 5-3c)
6. f (para 5-4a)
7. a (para 5-5)
8. a (para 5-5c)
9. d (para 5-5c)
10. e (paras 5-5c(1)(b), c(2)(b), 5-6f(1)(b), f(2)(b))
11. b (para 5-5c(1)(e))
12. b (para 5-5c(2)(b))
13. c (para 5-7)
14. b (para 5-6c)
15. c (para 5-6f(1)(b))
16. d (para 5-4a)
17. a (para 5-5c(1))
18. d (para 5-6f(2))
19. d (para 5-6f(2)(d))
20. c (para 5-6f(2)(e)
21. a (para 5-6c(3))