Exercises Lesson

INSTRUCTIONS. Answer the following exercises by marking the lettered response that best answers the question, by completing the incomplete statement, or by writing the answer in the space provided.

After you have completed all the exercises, turn to "Solutions to Exercises" at the end of the lesson and check your answers.

1. Situation: A dental officer and a dental specialist are working together and are following a procedural outline planned and practiced in advance. Identify the term or terms used for what is happening.

a. Prearranged procedures.

b. Four-handed method.

c. Dental assistance.

2. In the rubber dam application of the four-handed method, the_places the rubber dam over the teeth and the_unrolls the dental floss.

a. Dental specialist; dental officer.

b. Dental officer; dental specialist.

3. In the four-handed rubbed dam application, who ties the dental floss on the dental officer's side after the floss is inserted into the interproximal spaces?

a. The dental officer.

b. The dental specialist.

4. In the four-handed rubbed dam application, who places the saliva ejector under the rubber dam?

a. The dental officer.

b. The dental specialist.

5. Why does a dental chair have a thin and narrow back?

a. To allow__to be placed nearby.

b. To allow room for the dental officer and dental specialist to

6. List the characteristics of operating stools. They must:

b. Be completely_.

c. Have good_and/or_support.

7. Describe the characteristics of operating light.

a. Lighting should be_.

b. It should be easily_.

c. It should have_on both sides.

8. The operating position of the dental specialist is in the:

a. 2 to 4 o'clock position.

b. 7 to 12 o'clock position.

c. 4 to 7 o'clock position.

9. Identify standards for operating positions.

a. The patient's chair height must be positioned so that the zone of operations is b. The dental specialist's thighs are_to the floor or slightly

_to offer support and to facilitate good blood circulation to the legs.

10. Why is the main reason that high velocity suction is used in four-handed dentistry?

a. To eliminate the need for a cuspidor.

b. To pick up fluids without touching the surface of the tissue.

c. To allow the dental specialist to reach all areas of the mouth.

d. To move massive amounts of fluid quickly.

e. To maintain a clean, clear field of vision.

11. What kind of grasp is recommended when using the suction tip?

a. The pen grasp.

b. The thumb-to-nose grasp.

12. Which of the following must be positioned first?

a. The suction tip.

b. The handpiece.

13. The suction tip is placed parallel to the:

a. Occlusal surface.

b. Buccal and lingual surface.

c. Mesial and distal surface.

14. The edge of the suction tip is placed even with the:

a. Occlusal surface.

b. Buccal surface.

c. Distal surface.

15. What is the second step in instrument transfer?

a.

The

withdrawal

b.

The

delivery.

c.

The

retrieval.

d.

The

signal.

e.

The

approach.

16. In the first step of instrument transfer, the dental specialist holds the instrument parallel to the one the dental officer is using. The instrument is held with the:

a. Right hand.

17. In the third step of instrument transfer, the dental specialist grasps the instrument that the dental officer has just finished using with the:

a. Modified pen grasp.

b. Thumb and first two fingers.

c. Third and fourth fingers.

18. In the fourth step of instrument transfer, the dental specialist places the new instrument in the dental officer's fingers in the position in which it will be used. To accomplish this, the dental specialist turns his hand:

a. Downward.

b. Upward.

19. In the fifth step of instrument transfer, the preset tray of instruments must be positioned properly alongside the patient's:

a.

Lap.

b.

Chest

c.

Face.

20. In which step of instrument transfer does the text specify that care must be taken by the dental specialist not to cut himself, the dental officer, or the patient?

a.

First step.

b.

Second step

c.

Third step.

d.

Fourth step.

e.

Fifth step.

+6 -2

Responses

  • leanne
    Who ties the dental floss after it is inserted into the interproximal spaces?
    9 months ago
  • candido angelo
    Who ties the dental floss after it is inserted into the interproximal space?
    9 months ago

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