Question 1

A scavenger system on a N₂O/O₂ unit is recommended to:

Accepted Answer

A) protect chairside assistants from occupational risks of N2O. 
B) reduce N2O released into treatment room. 
C) protect other dental personnel from occupational risks of N2O. 
D) all of the above. 
A) protect chairside assistants from occupational risks of N2O. 
B) reduce N2O released into treatment room. 
C) protect other dental personnel from occupational risks of N2O. 
D) all of the above.

Question 2

One advantage of nitrous oxide use in a dental setting is that:

Accepted Answer

A) special training is not required for the dentist and dental assistant. 
B) the services of an anesthetist or other special personnel are not necessary. 
C) the patient is rendered unconscious. 
D) induction and recovery are slow, which is an advantage in long procedures. 
A) special training is not required for the dentist and dental assistant. 
B) the services of an anesthetist or other special personnel are not necessary. 
C) the patient is rendered unconscious. 
D) induction and recovery are slow, which is an advantage in long procedures.

Question 3

Which type of local anesthetic would be used for a patient with a medical history that indicates a recent myocardial infarction?

Accepted Answer

A) Lidocaine with 1:100,000 epinephrine 
B) Lidocaine with 1:50,000 epinephrine 
C) Mepivacaine with 1:20,000 Neo-Cobefrin 
D) Carbocaine plain 
A) Lidocaine with 1:100,000 epinephrine 
B) Lidocaine with 1:50,000 epinephrine 
C) Mepivacaine with 1:20,000 Neo-Cobefrin 
D) Carbocaine plain

Question 4

Which of the following ratios of vasoconstrictor to local anesthetic would contain the highest level of vasoconstrictor?

Accepted Answer

A) 1:100,000 
B) 1:20,000 
C) 1:50,000 
D) 1:200,000 
A) 1:100,000 
B) 1:20,000 
C) 1:50,000 
D) 1:200,000

Question 5

Which of the following must be used to protect dental personnel from the occupational risks of nitrous oxide by reducing the N₂O released into the treatment room?

Accepted Answer

A) Vacuum system 
B) Scavenger system 
C) Patient mask that fits well and doesn't leak 
D) Both b and c 
A) Vacuum system 
B) Scavenger system 
C) Patient mask that fits well and doesn't leak 
D) Both b and c

Question 6

To have optimum effectiveness of the topical anesthetic ointment type,it must remain on the site of the injection for:

Accepted Answer

A) 3 to 5 seconds. 
B) 1 to 2 seconds. 
C) 1 to 2 minutes. 
D) 3 to 5 minutes. 
A) 3 to 5 seconds. 
B) 1 to 2 seconds. 
C) 1 to 2 minutes. 
D) 3 to 5 minutes.

Question 7

What can cause paresthesia?

Accepted Answer

A) Trauma to the nerve 
B) Bleeding into or around the nerve 
C) Contaminated anesthetic solution 
D) All of the above 
A) Trauma to the nerve 
B) Bleeding into or around the nerve 
C) Contaminated anesthetic solution 
D) All of the above

Question 8

What nerve is anesthetized for tooth #31?

Accepted Answer

A) Buccal nerve 
B) Anterior superior alveolar nerve 
C) Inferior alveolar nerve 
D) Incisive nerve 
A) Buccal nerve 
B) Anterior superior alveolar nerve 
C) Inferior alveolar nerve 
D) Incisive nerve

Question 9

A short-acting local anesthetic agent can last from _____ minutes.

Accepted Answer

A) 20 to 45 
B) 60 to 180 
C) 120 to 240 
D) 240 to 540 
A) 20 to 45 
B) 60 to 180 
C) 120 to 240 
D) 240 to 540

Question 10

_______ is the length of time from injection to complete and effective conduction blockage.

Accepted Answer

A) Induction 
B) Infiltration 
C) Duration 
D) Indication 
A) Induction 
B) Infiltration 
C) Duration 
D) Indication

Question 11

Used or contaminated needles and cartridges are discarded in the:

Accepted Answer

A) trash can. 
B) biohazard bags. 
C) sharps container. 
D) medical waste. 
A) trash can. 
B) biohazard bags. 
C) sharps container. 
D) medical waste.

Question 12

For today's products,an ointment type of topical anesthetic should remain on the site of injection for a minimum of _______ to have optimum effectiveness.

Accepted Answer

A) 2 to 5 seconds 
B) 15 to 30 seconds 
C) 2 minutes 
D) 3 to 5 minutes 
A) 2 to 5 seconds 
B) 15 to 30 seconds 
C) 2 minutes 
D) 3 to 5 minutes

Question 13

_____ is a condition in which numbness remains after the effects of the local anesthetic solutions should have worn off.

Accepted Answer

A) Analgesia 
B) Anesthesia 
C) Paresthesia 
D) Electronic anesthesia 
A) Analgesia 
B) Anesthesia 
C) Paresthesia 
D) Electronic anesthesia

Question 14

The color-coding system for anesthetic cartridges allows the practitioner to select the correct anesthetic solution by distinguishing the correct _____ solution.

Accepted Answer

A) ratio of 
B) brand of 
C) induction time of the 
D) both a and b 
A) ratio of 
B) brand of 
C) induction time of the 
D) both a and b

Question 15

To be certain the anesthetic solution is not injected into a blood vessel,the dentist:

Accepted Answer

A) uses an aspirating syringe. 
B) always aspirates before depositing any solution. 
C) uses a periodontal ligament syringe. 
D) both a and b. 
A) uses an aspirating syringe. 
B) always aspirates before depositing any solution. 
C) uses a periodontal ligament syringe. 
D) both a and b.

Question 16

The time from when the local anesthetic takes complete effect until the complete reversal of anesthesia is the _____ of the anesthetic agent.

Accepted Answer

A) induction 
B) life span 
C) duration 
D) innervation 
A) induction 
B) life span 
C) duration 
D) innervation

Question 17

_____ is achieved by injecting the anesthetic solution directly into the tissue at the site of the dental procedure and is generally used on the maxillary teeth.

Accepted Answer

A) Inferior alveolar nerve block anesthesia 
B) Block anesthesia 
C) Infiltration anesthesia 
D) Incisive nerve block 
A) Inferior alveolar nerve block anesthesia 
B) Block anesthesia 
C) Infiltration anesthesia 
D) Incisive nerve block

Question 18

A 30 gauge needle would be a _____ needle.

Accepted Answer

A) thicker 
B) thinner 
C) large 
D) all of the above 
A) thicker 
B) thinner 
C) large 
D) all of the above

Question 19

The agents that provide a temporary numbing effect on nerve endings located on the surface of the oral mucosa are:

Accepted Answer

A) local anesthetics. 
B) topical anesthetics. 
C) general anesthetics. 
D) antiseptics. 
A) local anesthetics. 
B) topical anesthetics. 
C) general anesthetics. 
D) antiseptics.

Question 20

Which of the following types of commonly prescribed sedatives for dental patients is indicated for children?

Accepted Answer

A) Secobarbital (Seconal) 
B) Chlordiazepoxide (Librium) 
C) Diazepam (Valium) 
D) Chloral hydrate (Noctec) 
A) Secobarbital (Seconal) 
B) Chlordiazepoxide (Librium) 
C) Diazepam (Valium) 
D) Chloral hydrate (Noctec)

Exam 37: Anesthesia and Pain Control

A scavenger system on a N₂O/O₂ unit is recommended to:

One advantage of nitrous oxide use in a dental setting is that:

Which type of local anesthetic would be used for a patient with a medical history that indicates a recent myocardial infarction?

Which of the following ratios of vasoconstrictor to local anesthetic would contain the highest level of vasoconstrictor?

Which of the following must be used to protect dental personnel from the occupational risks of nitrous oxide by reducing the N₂O released into the treatment room?

To have optimum effectiveness of the topical anesthetic ointment type,it must remain on the site of the injection for:

What can cause paresthesia?

What nerve is anesthetized for tooth #31?

A short-acting local anesthetic agent can last from _____ minutes.

_______ is the length of time from injection to complete and effective conduction blockage.

Used or contaminated needles and cartridges are discarded in the:

For today's products,an ointment type of topical anesthetic should remain on the site of injection for a minimum of _______ to have optimum effectiveness.

_____ is a condition in which numbness remains after the effects of the local anesthetic solutions should have worn off.

The color-coding system for anesthetic cartridges allows the practitioner to select the correct anesthetic solution by distinguishing the correct _____ solution.

To be certain the anesthetic solution is not injected into a blood vessel,the dentist:

The time from when the local anesthetic takes complete effect until the complete reversal of anesthesia is the _____ of the anesthetic agent.

_____ is achieved by injecting the anesthetic solution directly into the tissue at the site of the dental procedure and is generally used on the maxillary teeth.

A 30 gauge needle would be a _____ needle.

The agents that provide a temporary numbing effect on nerve endings located on the surface of the oral mucosa are:

Which of the following types of commonly prescribed sedatives for dental patients is indicated for children?

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

Moisture 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