Question 1

The tank or cylinder of ______ is always color-coded blue.

Accepted Answer

A) oxygen 
B) nitrous oxide 
C) helium 
D) hydrogen 
A) oxygen 
B) nitrous oxide 
C) helium 
D) hydrogen B

Question 2

_____ anesthesia is frequently used on the mandibular teeth and is injected near a major nerve that numbs the entire area served by that nerve branch.

Accepted Answer

A) Block 
B) Infiltration 
C) Innervation 
D) Induction 
A) Block 
B) Infiltration 
C) Innervation 
D) Induction A

Question 3

Nitrous oxide oxygen administration always begins and ends with:

Accepted Answer

A) the patient deep breathing. 
B) the patient breathing 100% oxygen. 
C) taking the patient's blood pressure and temperature. 
D) both b and c. 
A) the patient deep breathing. 
B) the patient breathing 100% oxygen. 
C) taking the patient's blood pressure and temperature. 
D) both b and c. B

Question 4

Intravenous sedation:

Accepted Answer

A) may be performed by any dentist, without a requirement for additional training. 
B) may be monitored by a certified dental assistant in some states after completion of a board-certified course. 
C) is not permitted for children as a part of the scope of dental practice. 
D) requires measurement of the patient's height for dose determination. 
A) may be performed by any dentist, without a requirement for additional training. 
B) may be monitored by a certified dental assistant in some states after completion of a board-certified course. 
C) is not permitted for children as a part of the scope of dental practice. 
D) requires measurement of the patient's height for dose determination.

Question 5

The _____ of the anesthetic syringe locks into the rubber stopper of the anesthetic cartridge so that the stopper can be retracted by pulling back on the piston rod.

Accepted Answer

A) barrel 
B) thumb ring 
C) piston rod 
D) harpoon 
A) barrel 
B) thumb ring 
C) piston rod 
D) harpoon

Question 6

_____ is added to a local anesthetic agent to slow down the intake of the agent and increase the duration of action.

Accepted Answer

A) Sodium chloride 
B) A vasoconstrictor 
C) An amide 
D) An ester 
A) Sodium chloride 
B) A vasoconstrictor 
C) An amide 
D) An ester

Question 7

What type of injection technique would the dentist use most frequently on tooth #6?

Accepted Answer

A) Block 
B) Infiltration 
C) Intravenous 
D) Intramuscular 
A) Block 
B) Infiltration 
C) Intravenous 
D) Intramuscular

Question 8

Most surgical procedures are scheduled in the _____,because patients must not eat or drink for 8 to 12 hours before receiving general anesthesia.

Accepted Answer

A) early morning 
B) early afternoon 
C) late afternoon 
D) early evening 
A) early morning 
B) early afternoon 
C) late afternoon 
D) early evening

Question 9

General anesthesia is most safely administered in the:

Accepted Answer

A) general dentist's office. 
B) oral surgeon's office. 
C) hospital. 
D) periodontist's office. 
A) general dentist's office. 
B) oral surgeon's office. 
C) hospital. 
D) periodontist's office.

Question 10

There are four stages of anesthesia.In which stage is the patient relaxed and fully conscious?

Accepted Answer

A) Stage III 
B) Stage II 
C) Stage I 
D) Stage IV 
A) Stage III 
B) Stage II 
C) Stage I 
D) Stage IV

Question 11

Local anesthetic agents are not effective when injected into an area where a tooth or soft tissue is infected because:

Accepted Answer

A) increased swelling in tissue dilutes the anesthetic. 
B) an increase of lymphocytes, in the area to combat the infection, will interfere with the effectiveness of the anesthetic solution. 
C) increased blood flow in an area of infection rapidly carries the anesthetic away from the area. 
D) the infection causes local temperature to rise above the point where local anesthetic is effective. 
A) increased swelling in tissue dilutes the anesthetic. 
B) an increase of lymphocytes, in the area to combat the infection, will interfere with the effectiveness of the anesthetic solution. 
C) increased blood flow in an area of infection rapidly carries the anesthetic away from the area. 
D) the infection causes local temperature to rise above the point where local anesthetic is effective.

Question 12

The gauge of the needle refers to the thickness of the needle; the larger the gauge,the _____ the needle.

Accepted Answer

A) thinner 
B) stiffer 
C) thicker 
D) both a and b 
A) thinner 
B) stiffer 
C) thicker 
D) both a and b

Question 13

In patients with an acute infection in a tooth or soft tissue,local anesthetics are not as effective because of an increase:

Accepted Answer

A) of blood flow 
B) in swelling 
C) in lymphocytes (white blood cells) 
D) none of the above 
A) of blood flow 
B) in swelling 
C) in lymphocytes (white blood cells) 
D) none of the above

Question 14

Nitrous oxide/oxygen analgesia use in dentistry dates back to 1844 and is also known as:

Accepted Answer

A) electronic anesthesia. 
B) general anesthesia. 
C) inhalation sedation. 
D) IV sedation. 
A) electronic anesthesia. 
B) general anesthesia. 
C) inhalation sedation. 
D) IV sedation.

Question 15

During the loading of an anesthetic syringe,the _____ is loaded first.

Accepted Answer

A) needle 
B) anesthetic cartridge 
C) either a or b 
A) needle 
B) anesthetic cartridge 
C) either a or b

Question 16

The different levels of consciousness and unconsciousness are referred to as stages of anesthesia; these stages include which of the following?

Accepted Answer

A) Stage I (analgesia) 
B) Stage II (excitement) 
C) Stage III (cardiac arrest) 
D) Both a and b 
A) Stage I (analgesia) 
B) Stage II (excitement) 
C) Stage III (cardiac arrest) 
D) Both a and b

Question 17

Anesthesia is defined as:

Accepted Answer

A) the passage of a substance into the interior of another by solution or penetration. 
B) a substance for killing microorganisms on the skin. 
C) the temporary loss of feeling or sensation. 
D) the act of inhalation, or ingestion, as of a foreign object. 
A) the passage of a substance into the interior of another by solution or penetration. 
B) a substance for killing microorganisms on the skin. 
C) the temporary loss of feeling or sensation. 
D) the act of inhalation, or ingestion, as of a foreign object.

Question 18

The dental assistant is preparing anesthesia for tooth #13.What length needle would be selected?

Accepted Answer

A) 15/8 inches 
B) 5/8 inch 
C) 1 inch 
D) 2 inches 
A) 15/8 inches 
B) 5/8 inch 
C) 1 inch 
D) 2 inches

Question 19

The anesthetic syringe consists of all of the following parts with the exception of:

Accepted Answer

A) harpoon. 
B) rubber stopper. 
C) thumb ring. 
D) piston rod. 
A) harpoon. 
B) rubber stopper. 
C) thumb ring. 
D) piston rod.

Question 20

A ______ inch needle would be used for an anesthetic injection for a procedure for tooth #19.

Accepted Answer

A) 5/8 
B) 1 
C) 2 
D) 15/8 
A) 5/8 
B) 1 
C) 2 
D) 15/8

Exam 37: Anesthesia and Pain Control

The tank or cylinder of ______ is always color-coded blue.

_____ anesthesia is frequently used on the mandibular teeth and is injected near a major nerve that numbs the entire area served by that nerve branch.

Nitrous oxide oxygen administration always begins and ends with:

Intravenous sedation:

The _____ of the anesthetic syringe locks into the rubber stopper of the anesthetic cartridge so that the stopper can be retracted by pulling back on the piston rod.

_____ is added to a local anesthetic agent to slow down the intake of the agent and increase the duration of action.

What type of injection technique would the dentist use most frequently on tooth #6?

Most surgical procedures are scheduled in the _____,because patients must not eat or drink for 8 to 12 hours before receiving general anesthesia.

General anesthesia is most safely administered in the:

There are four stages of anesthesia.In which stage is the patient relaxed and fully conscious?

Local anesthetic agents are not effective when injected into an area where a tooth or soft tissue is infected because:

The gauge of the needle refers to the thickness of the needle; the larger the gauge,the _____ the needle.

In patients with an acute infection in a tooth or soft tissue,local anesthetics are not as effective because of an increase:

Nitrous oxide/oxygen analgesia use in dentistry dates back to 1844 and is also known as:

During the loading of an anesthetic syringe,the _____ is loaded first.

The different levels of consciousness and unconsciousness are referred to as stages of anesthesia; these stages include which of the following?

Anesthesia is defined as:

The dental assistant is preparing anesthesia for tooth #13.What length needle would be selected?

The anesthetic syringe consists of all of the following parts with the exception of:

A ______ inch needle would be used for an anesthetic injection for a procedure for tooth #19.

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