LOCAL ANESTHESIA MIDTERM EXAM WITH SOLUTIONS
GRADED A 2025
1. Dentists allowed to administer local anesthetics in
cartridge form since: 1921
2. Local Anesthetic Delivered by dental hygienists since: 1971 (Washington State)
3. To be certified in New York State you must be a New York State licensed dental hygienist
currently registered to practice or applying concurrently for licensure and meet additional education
and training requirements.: True
4. All forms, along with the appropriate fee, must be submitted to the New York State Office of the
Professions. It is your responsibility to follow up with anyone you have asked to send us material.:
True
5. The specific requirements for certification are contained in Title 25, Article 144, Section 6605-6 of
New York's Education Law and Part 61 of the Commis- sioner's Regulations: False
6. The fee for a dental hygiene restricted local infiltration anesthesia/nitrous oxide analgesia
certificate is $100.: False
7. The fee due is the one in law when your application is received (unless fees are increased
retroactively). You will be billed for the difference if fees have been increased.: True
8. To meet the education requirements for certification, you must have com- pleted:: -An educational
program provided by a New York State dental or dental hygiene school that is registered by the
New York State Education Department and includes 30 hours of didactic coursework and 15
hours of clinical training.
-Equivalent educational preparation acceptable to the New York State Education Department,
offered by an institution with programs leading to licensure in dentistry and/or dental hygiene th
are accredited by an acceptable accrediting body. (BOTH)
9. The didactic component must be hours to meet competence for New York State Certification::
30
10.The didactic component must include the following:: -Relevant New York State Education
Law and Commissioner's Regulations
-Medical history and evaluation procedures
-Review of pediatric and adult respiratory and circulatory physiology and related anatomy
-Pharmacology of agents used in inhalation sedation, local anesthesia, and vaso- constrictors,
including drug interactions and incompatibilities
(All of the above)
11.The following are necessary considerations when utilizing nitrous ox- ide/oxygen sedation::
(A, C, and E)
a. Proper infection control techniques with regard to local anesthetic and nitrous
,LOCAL ANESTHESIA MIDTERM EXAM WITH SOLUTIONS
GRADED A 2025
oxide analgesia.
c. Description and use of inhalation sedation equipment
e. Abuse potential and hallucinatory effects of nitrous oxide analgesia
12.The hour requirement for local anesthesia/nitrous oxide-oxygen sedation clinical and laboratory
experience component is:: 15
13.The clinical component didactic information must include:: -Selection and preparation of the
armamentaria for administering various local anesthetic agents and nitrous oxide analgesia
including demonstrations regarding scavenging sys- tems
-Demonstration of proper infection control techniques with regard to local anesthet- ics agents
and nitrous oxide analgesia and proper disposal of sharps
-Demonstration of proper evaluation of the patient's health status, taking the patient's vital signs
and monitoring the patient's physical status while under the effects of local anesthesia and/or
nitrous oxide analgesia
-Administration of local anesthetic in conjunction with inhalation sedation techniques (All of The
Above)
14.The student must demonstrate the following clinical experiences:: b. A clinical experience,
demonstrating the successful use of nitrous oxide analgesia in no fewer than 15 instances
involving the treatment of a patient, of which at least five instances were induced by the
candidate and the remaining instances were observed by the candidate and no individual
patient was treated more than two times
c. A clinical experience demonstrating the successful use of local infiltration anes- thesia in no
fewer than 15 instances involving the treatment of a patient and that no individual patient was
treated more than three times
(b&c)
15.What will the gauge on an oxygen tank read when it is full?: 2200 psi
16.An injection that deposits anesthetic solution near a major nerve trunk is called:: A nerve block
injection
17.What color is a N2O tank in the United States?: Blue
18.Which of the following best explains why infiltration techniques are highly successful in the
maxilla?: Ease of diffusion through bone
19.Nitrous levels vary from patient to patient. Fortunately, once the nitrous level has been
established for an individual patient, that level is to be used at each appointment for that patient.: The
first statement is true and the second is false
20.The palatal gingiva of tooth #3 is supplied by which of the following?: -
Greater palatine nerve
,LOCAL ANESTHESIA MIDTERM EXAM WITH SOLUTIONS
GRADED A 2025
21.Which of the following procedures represents the correct response follow- ing a positive
aspiration when a small wormlike thread enters the cartridge?-
: Withdraw the syringe, change the cartridge, clear the needle of blood and reinject
22.Which is the correct initial dosage and time interval to begin N2O-O2 sedation?: 1 liter for
one minute
23.Which of the following is the most important safety step following an injection?:
Recapping the needle with a one-handed technique
24.In the absence of an MSA nerve, which of the following two nerves may innervate the premolars
and the mesiobuccal root of the first molar?: Anterior superior alveolar and posterior superior
alveolar
25.How long is oxygen administered at the completion of sedation?: 5 minutes
26.Which of the following are signs of excessive nitrous sedation?: -Dilated pupils
-Agitated, combative behavior
-Uncontrolled laughter
-Inability to follow commands
27.The field of anesthesia of an ASA nerve block includes each of the follow- ing except: Lingual
periodontium of central incisor through canine
28.What is the first step a clinician should take when mild over-sedation is observed?:
Discontinue the N2O
29.Which of the following conditions does NOT contraindicate the administra- tion of N2O?:
Hypertension or cardiovascular disease
30.Nitrous contraindications: Chronic obstructive pulmonary disease
Gastrointestinal obstructions
Psychiatric disorders Recent eye
surgery
31.Which of the following nerve branches anesthetizes the upper lip and skin of the cheek?:
Trigeminal nerve, division 2
32.The buccal gingiva of #23 is supplied by which of the following?: Mental nerve
33.Sensory innervation of the posterior 1/3 of the tongue is supplied by the
nerve.: Glossopharyngeal
34.The maximum recommended dose of topical anesthetic is:: 200 mg/ml
35.Which of the following gauge numbers indicates the needle with the small- est lumen?: 30
36.The use of a scavenging system with N2O sedation equipment is desirable because it:: Removes
any potentially toxic waste gas from the environment.
37.Which of the following patients would NOT be a good candidate for the use of N2O?: Patient with
chronic obstructive pulmonary disease
GRADED A 2025
1. Dentists allowed to administer local anesthetics in
cartridge form since: 1921
2. Local Anesthetic Delivered by dental hygienists since: 1971 (Washington State)
3. To be certified in New York State you must be a New York State licensed dental hygienist
currently registered to practice or applying concurrently for licensure and meet additional education
and training requirements.: True
4. All forms, along with the appropriate fee, must be submitted to the New York State Office of the
Professions. It is your responsibility to follow up with anyone you have asked to send us material.:
True
5. The specific requirements for certification are contained in Title 25, Article 144, Section 6605-6 of
New York's Education Law and Part 61 of the Commis- sioner's Regulations: False
6. The fee for a dental hygiene restricted local infiltration anesthesia/nitrous oxide analgesia
certificate is $100.: False
7. The fee due is the one in law when your application is received (unless fees are increased
retroactively). You will be billed for the difference if fees have been increased.: True
8. To meet the education requirements for certification, you must have com- pleted:: -An educational
program provided by a New York State dental or dental hygiene school that is registered by the
New York State Education Department and includes 30 hours of didactic coursework and 15
hours of clinical training.
-Equivalent educational preparation acceptable to the New York State Education Department,
offered by an institution with programs leading to licensure in dentistry and/or dental hygiene th
are accredited by an acceptable accrediting body. (BOTH)
9. The didactic component must be hours to meet competence for New York State Certification::
30
10.The didactic component must include the following:: -Relevant New York State Education
Law and Commissioner's Regulations
-Medical history and evaluation procedures
-Review of pediatric and adult respiratory and circulatory physiology and related anatomy
-Pharmacology of agents used in inhalation sedation, local anesthesia, and vaso- constrictors,
including drug interactions and incompatibilities
(All of the above)
11.The following are necessary considerations when utilizing nitrous ox- ide/oxygen sedation::
(A, C, and E)
a. Proper infection control techniques with regard to local anesthetic and nitrous
,LOCAL ANESTHESIA MIDTERM EXAM WITH SOLUTIONS
GRADED A 2025
oxide analgesia.
c. Description and use of inhalation sedation equipment
e. Abuse potential and hallucinatory effects of nitrous oxide analgesia
12.The hour requirement for local anesthesia/nitrous oxide-oxygen sedation clinical and laboratory
experience component is:: 15
13.The clinical component didactic information must include:: -Selection and preparation of the
armamentaria for administering various local anesthetic agents and nitrous oxide analgesia
including demonstrations regarding scavenging sys- tems
-Demonstration of proper infection control techniques with regard to local anesthet- ics agents
and nitrous oxide analgesia and proper disposal of sharps
-Demonstration of proper evaluation of the patient's health status, taking the patient's vital signs
and monitoring the patient's physical status while under the effects of local anesthesia and/or
nitrous oxide analgesia
-Administration of local anesthetic in conjunction with inhalation sedation techniques (All of The
Above)
14.The student must demonstrate the following clinical experiences:: b. A clinical experience,
demonstrating the successful use of nitrous oxide analgesia in no fewer than 15 instances
involving the treatment of a patient, of which at least five instances were induced by the
candidate and the remaining instances were observed by the candidate and no individual
patient was treated more than two times
c. A clinical experience demonstrating the successful use of local infiltration anes- thesia in no
fewer than 15 instances involving the treatment of a patient and that no individual patient was
treated more than three times
(b&c)
15.What will the gauge on an oxygen tank read when it is full?: 2200 psi
16.An injection that deposits anesthetic solution near a major nerve trunk is called:: A nerve block
injection
17.What color is a N2O tank in the United States?: Blue
18.Which of the following best explains why infiltration techniques are highly successful in the
maxilla?: Ease of diffusion through bone
19.Nitrous levels vary from patient to patient. Fortunately, once the nitrous level has been
established for an individual patient, that level is to be used at each appointment for that patient.: The
first statement is true and the second is false
20.The palatal gingiva of tooth #3 is supplied by which of the following?: -
Greater palatine nerve
,LOCAL ANESTHESIA MIDTERM EXAM WITH SOLUTIONS
GRADED A 2025
21.Which of the following procedures represents the correct response follow- ing a positive
aspiration when a small wormlike thread enters the cartridge?-
: Withdraw the syringe, change the cartridge, clear the needle of blood and reinject
22.Which is the correct initial dosage and time interval to begin N2O-O2 sedation?: 1 liter for
one minute
23.Which of the following is the most important safety step following an injection?:
Recapping the needle with a one-handed technique
24.In the absence of an MSA nerve, which of the following two nerves may innervate the premolars
and the mesiobuccal root of the first molar?: Anterior superior alveolar and posterior superior
alveolar
25.How long is oxygen administered at the completion of sedation?: 5 minutes
26.Which of the following are signs of excessive nitrous sedation?: -Dilated pupils
-Agitated, combative behavior
-Uncontrolled laughter
-Inability to follow commands
27.The field of anesthesia of an ASA nerve block includes each of the follow- ing except: Lingual
periodontium of central incisor through canine
28.What is the first step a clinician should take when mild over-sedation is observed?:
Discontinue the N2O
29.Which of the following conditions does NOT contraindicate the administra- tion of N2O?:
Hypertension or cardiovascular disease
30.Nitrous contraindications: Chronic obstructive pulmonary disease
Gastrointestinal obstructions
Psychiatric disorders Recent eye
surgery
31.Which of the following nerve branches anesthetizes the upper lip and skin of the cheek?:
Trigeminal nerve, division 2
32.The buccal gingiva of #23 is supplied by which of the following?: Mental nerve
33.Sensory innervation of the posterior 1/3 of the tongue is supplied by the
nerve.: Glossopharyngeal
34.The maximum recommended dose of topical anesthetic is:: 200 mg/ml
35.Which of the following gauge numbers indicates the needle with the small- est lumen?: 30
36.The use of a scavenging system with N2O sedation equipment is desirable because it:: Removes
any potentially toxic waste gas from the environment.
37.Which of the following patients would NOT be a good candidate for the use of N2O?: Patient with
chronic obstructive pulmonary disease
