Question 1

If the high-speed handpiece is positioned on the occlusal surface of tooth #14,where would the assistant position the HVE?

Accepted Answer

A) Buccal surface of #15 
B) Buccal surface of #13 
C) Lower left buccal vestibule 
D) Lingual surface of #14 
A) Buccal surface of #15 
B) Buccal surface of #13 
C) Lower left buccal vestibule 
D) Lingual surface of #14 A

Question 2

The three most common isolation methods include cotton roll isolation,rubber dam,and:

Accepted Answer

A) sealants. 
B) cement. 
C) cotton pellet. 
D) dry angles. 
A) sealants. 
B) cement. 
C) cotton pellet. 
D) dry angles. D

Question 3

When removing cotton roll isolation,the dental assistant must wet the cotton roll before removal because:

Accepted Answer

A) it is easier to grasp with cotton pliers. 
B) a dry cotton roll may stick to lining mucosa and cause injury. 
C) the patient will like the taste of the wet cotton roll. 
D) it provides a better isolation. 
A) it is easier to grasp with cotton pliers. 
B) a dry cotton roll may stick to lining mucosa and cause injury. 
C) the patient will like the taste of the wet cotton roll. 
D) it provides a better isolation. B

Question 4

The saliva ejector should be placed _____ the tongue on the _____ where the dentist is working.

Accepted Answer

A) over; same side 
B) over; opposite side from 
C) under; same side 
D) under; opposite side from 
A) over; same side 
B) over; opposite side from 
C) under; same side 
D) under; opposite side from

Question 5

Surgical suction tips are:

Accepted Answer

A) smaller in circumference. 
B) used to remove large amounts of water and fluid. 
C) used to remove blood, tissue, and debris. 
D) both a and c. 
A) smaller in circumference. 
B) used to remove large amounts of water and fluid. 
C) used to remove blood, tissue, and debris. 
D) both a and c.

Question 6

Which of the following is not a guideline for using the air-water syringe?

Accepted Answer

A) Use air on the mouth mirror when indirect vision is involved. 
B) Direct the syringe tip toward the tooth being treated. 
C) Direct the syringe tip toward the patient's nose and lips. 
D) Keep a close distance between the tooth and syringe tip. 
A) Use air on the mouth mirror when indirect vision is involved. 
B) Direct the syringe tip toward the tooth being treated. 
C) Direct the syringe tip toward the patient's nose and lips. 
D) Keep a close distance between the tooth and syringe tip.

Question 7

Which of the following does not describe an operative suction tip?

Accepted Answer

A) Smaller in circumference than a surgical suction tip 
B) Beveled working end 
C) Made of plastic or stainless steel 
D) Designed with a straight or slight angle in the middle 
A) Smaller in circumference than a surgical suction tip 
B) Beveled working end 
C) Made of plastic or stainless steel 
D) Designed with a straight or slight angle in the middle

Question 8

Which of the following does not describe dry-angle isolation?

Accepted Answer

A) Triangular absorbent pad 
B) Isolates posterior areas of maxillary/mandibular arches 
C) Tightly formed absorbent cotton 
D) Blocks the flow of saliva and protects tissues in the area 
A) Triangular absorbent pad 
B) Isolates posterior areas of maxillary/mandibular arches 
C) Tightly formed absorbent cotton 
D) Blocks the flow of saliva and protects tissues in the area

Question 9

Which of the following is used along with the HVE to complete the rinsing process?

Accepted Answer

A) Dental dam 
B) Cup of water 
C) Air-water syringe 
D) Dry-angle 
A) Dental dam 
B) Cup of water 
C) Air-water syringe 
D) Dry-angle

Question 10

The HVE suction tip should be positioned:

Accepted Answer

A) after the dentist positions the handpiece and mouth mirror. 
B) on the surface of the operative tooth closest to the dentist. 
C) so the bevel of the suction tip is perpendicular to the tooth surface. 
D) so the edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge. 
A) after the dentist positions the handpiece and mouth mirror. 
B) on the surface of the operative tooth closest to the dentist. 
C) so the bevel of the suction tip is perpendicular to the tooth surface. 
D) so the edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge.

Question 11

Which is not a specific guideline for positioning the HVE?

Accepted Answer

A) Position the bevel to be parallel to the tooth surface. 
B) Place the HVE after the dentist positions the handpiece and mirror. 
C) Position the HVE tip on the surface of the operative tooth closest to the dental assistant. 
D) Keep the HVE tip edge even with or slightly beyond the occlusal or incisal surface. 
A) Position the bevel to be parallel to the tooth surface. 
B) Place the HVE after the dentist positions the handpiece and mirror. 
C) Position the HVE tip on the surface of the operative tooth closest to the dental assistant. 
D) Keep the HVE tip edge even with or slightly beyond the occlusal or incisal surface.

Question 12

For ideal conditions during a dental procedure,which of the following features should characterize the isolation technique?

Accepted Answer

A) Isolation should be protective of soft tissue such as the tongue, but not hard tissue such as the alveolus. 
B) The dentist must compensate for obscured vision due to the isolation. 
C) Isolation should cause pooling of saliva in the area of concern. 
D) Isolation should be comfortable for the patient. 
A) Isolation should be protective of soft tissue such as the tongue, but not hard tissue such as the alveolus. 
B) The dentist must compensate for obscured vision due to the isolation. 
C) Isolation should cause pooling of saliva in the area of concern. 
D) Isolation should be comfortable for the patient.

Question 13

Most dentists prefer a darker color dental dam because it provides:

Accepted Answer

A) bright color for good patient acceptance. 
B) good contrast to tooth structure. 
C) reduced glare. 
D) both b and c. 
A) bright color for good patient acceptance. 
B) good contrast to tooth structure. 
C) reduced glare. 
D) both b and c.

Question 14

The isolation of anterior teeth is usually:

Accepted Answer

A) only on the tooth being restored. 
B) on the tooth being restored and one tooth on each side. 
C) from canine to canine. 
D) on the quadrant in which the tooth to be restored is located. 
A) only on the tooth being restored. 
B) on the tooth being restored and one tooth on each side. 
C) from canine to canine. 
D) on the quadrant in which the tooth to be restored is located.

Question 15

The dental dam is placed _____ the local anesthetic is administered.

Accepted Answer

A) before 
B) after 
C) either a or b 
A) before 
B) after 
C) either a or b

Question 16

A _____ is a piece of dental floss or dental tape that should always be attached to the bow of the dental dam clamp before the clamp is placed in the patient's mouth.

Accepted Answer

A) tie 
B) stabilizing cord 
C) ligature 
D) anchor 
A) tie 
B) stabilizing cord 
C) ligature 
D) anchor

Question 17

The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby frame are placed _____ the dam.

Accepted Answer

A) under; outside 
B) under; under 
C) outside; under 
D) outside; outside 
A) under; outside 
B) under; under 
C) outside; under 
D) outside; outside

Question 18

The high-volume evacuator (HVE) is able to take up water and debris because a _____ volume of air is moved into the vacuum hose at _____ pressure to create a strong suction.

Accepted Answer

A) high; high 
B) high; low 
C) low; high 
D) low; low 
A) high; high 
B) high; low 
C) low; high 
D) low; low

Question 19

The _____ is punched as the largest size hole (#5) to accommodate the dental dam clamp that fits on the _____ tooth.

Accepted Answer

A) anchor hole; keyhole 
B) keypunch hole; anchor 
C) septum hole; restorative 
D) anterior hole; most anterior 
A) anchor hole; keyhole 
B) keypunch hole; anchor 
C) septum hole; restorative 
D) anterior hole; most anterior

Question 20

When performing a limited rinse,what equipment would be used by the dental assistant?

Accepted Answer

A) HVE 
B) Cup of mouthwash rinse 
C) Air-water syringe 
D) Both a and c 
A) HVE 
B) Cup of mouthwash rinse 
C) Air-water syringe 
D) Both a and c

Exam 36: Moisture Control

If the high-speed handpiece is positioned on the occlusal surface of tooth #14,where would the assistant position the HVE?

The three most common isolation methods include cotton roll isolation,rubber dam,and:

When removing cotton roll isolation,the dental assistant must wet the cotton roll before removal because:

The saliva ejector should be placed _____ the tongue on the _____ where the dentist is working.

Surgical suction tips are:

Which of the following is not a guideline for using the air-water syringe?

Which of the following does not describe an operative suction tip?

Which of the following does not describe dry-angle isolation?

Which of the following is used along with the HVE to complete the rinsing process?

The HVE suction tip should be positioned:

Which is not a specific guideline for positioning the HVE?

For ideal conditions during a dental procedure,which of the following features should characterize the isolation technique?

Most dentists prefer a darker color dental dam because it provides:

The isolation of anterior teeth is usually:

The dental dam is placed _____ the local anesthetic is administered.

A _____ is a piece of dental floss or dental tape that should always be attached to the bow of the dental dam clamp before the clamp is placed in the patient's mouth.

The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby frame are placed _____ the dam.

The high-volume evacuator (HVE) is able to take up water and debris because a _____ volume of air is moved into the vacuum hose at _____ pressure to create a strong suction.

The _____ is punched as the largest size hole (#5) to accommodate the dental dam clamp that fits on the _____ tooth.

When performing a limited rinse,what equipment would be used by the dental assistant?

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics

The saliva ejector should be placed _ the tongue on the _ where the dentist is working.

The plastic U-shaped frame is placed _ the dam; the metal Young frame and the Ostby frame are placed _ the dam.

The high-volume evacuator (HVE) is able to take up water and debris because a _ volume of air is moved into the vacuum hose at _ pressure to create a strong suction.

The _ is punched as the largest size hole (#5) to accommodate the dental dam clamp that fits on the _ tooth.