dental anesthesia questions

8/10/2019 Dental Anesthesia Questions

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Anatomy of Local Dental Anesthesia W12

BEP/Human Anatomy for Dentist Page 1

___1. Which of the following nerves is located in the pterygomandibular space?A. Infraorbital nerve

B. Posterior superior alveolar nerve

C. Inferior alveolar nerve

D.

Anterior superior alveolar nerve

___2. If a maxillary central incisor needs to be extracted, which of the following nerves or their

terminal branches would have to be anesthetized?A. Anterior superior alveolar and greater palatine

B. Greater palatine and nasopalatine

C. Nasopalatine and Buccal

D. Middle superior alveolar and nasopalatineE. Anterior superior alveolar and nasopalatine

___3. Which one of the following nerve blocks may be complicated with transient facial

paralysis?A. PSA

B. IO

C. ASAD. IA

E. Mental

___4. Which of the following nerve blocks is NOT related to any area of the maxillary nerve?

A. Nasopalatine

B. Mental

C. Greater palatine

D.

PSAE. IO

___5. Which of the following nerve blocks uses the intraoral palpation of zygomatic process as alandmark?

A. PSA

B. NasopalatineC. Mental

D. Greater palatine

E. IO

___6.

Which one of the following is an important landmark to palpate before performing aninferior alveolar block?

A. Tongue

B. Coronoid notchC. Mental depression

D. Pupil

E. 2nd maxillary molar


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___7. Which of the following nerves is NOT anesthetized during an inferior alveolar block?A. Lingual

B. Mental

C. Buccal

D. Incisive

___8. Which of the following nerve blocks uses the apex of the maxillary canine or 1stpremolar

for a landmark during administration?A. MSA nerve block

B. PSA nerve block

C. IO nerve blockD. ASA nerve block

___9. When administering a local anesthetic agent to teeth and their related dental structures,

which three bones of the head and neck contain the landmarks essential for proper injectiontechnique?

A.

Maxilla, mandible, and temporal bonesB. Maxilla, mandible, and zygomatic bonesC.

Maxilla, mandible, and palatine bones

D. Maxilla, mandible, and sphenoid bones

___10. Which of the following nerve blocks numbs the buccal gingiva of the maxillary first molar?A. IO nerve block

B. ASA nerve block

C. Buccal nerve block

D. PSA nerve block

___11.

Which of the following complication can result from a GP nerve block?A. Cheek biteB. Anesthesia of the upper lip

C. Stimulation of the gag reflex

D. Hematoma in the infratemporal fossa

___12. Which of the following complications can occur during the administration of the IA nerve

block, resulting in inability to close the eyelid?A. Motor function of the oculomotor nerve

B. Motor function of the abducens nerve

C. Sensory function of the facial nerve

D.

Motor function of the facial nerve

___13. Which of the following nerve blocks uses an extraoral landmark on the face when locating

the injection site?

A. IA nerve blockB. IO nerve block

C. PSA nerve block

D. Mental nerve block


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___14.

Immediately after a dental procedure a patient comes to the dental hygiene chair for a biannual

checkup. The patient refers that her left cheek still numb. Which nerve was blocked?

A.

PSA

B.

MSA

C.

BuccalD.

IA

E.

Mental

___15.

An 23-year-old male complains of achy jaws and a dark front tooth. Intraoral examination shows a

darkened permanent maxillary right central incisor. What nerves may be involved in the ache she

feels in her jaw?

A.

Lingual

B.

Chorda tympani

C.

Maxillary (V2)

D.

Mandibular (V3)E.

Facial

___16.

The injection site for the greater palatine block is located on the palate near the:

A.

Maxillary first premolar

B.

Maxillary second or third molar

C.

Incisive papilla

D.

Midline portion

E.

Submandibular papilla

Matching questions with the following nerve blocks (Choices A-E):

A.

IO or ASA

B.

PSA block

C.

Nasopalatine block

D.

IA (inferior alveolar) block

E.

Buccal block

___17.

Anesthetizes the skin and mucous membrane of the cheek, also the buccal gingivae (E)

___18.

Coronoid notch is a good landmark (D)

___19.

Site of injection at the height of the mucobuccal fold directed at the apex of the maxillary second

molar to the posterior surface of the maxilla. (B)

___20.

Site of injection in depression below the infraorbital rim medial to the pupil of the eye (if patient is

looking straight forward) (A)

___21.

This block must be done along with the ASA block to temporarily eliminate sensation fromsupporting tissues (palatal mucosa and periodontal ligaments) (C)


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Vignette#1 for following questions

An 83-year-old male complains of achy jaws and a dark front tooth. Intraoral examination shows a darkened

permanent maxillary right central incisor.

___22.

What nerves may be involved in the ache she feels in her jaw?

A.

Lingual

B.

Chorda tympaniC.

Maxillary (V2)

D.

Mandibular (V3)

E.

Facial

___23.

To performed further treatment on the darkened tooth, which nerve must be anesthetized?

A.

Inferior alveolar

B.

Posterior superior alveolar

C.

Anterior superior alveolar

D.

Mental

E.

Greater palatine

___24.

Which landmark is used to perform the nerve block to the darkened tooth?

A.

Maxillary tuberosity

B.

Zygomatic process

C.

Anterior border of ramus of the mandible

D.

Infraorbital rim

E.

Coronoid notch

___25.

The site of injection to numb the darkened tooth is directed to which all the following?

A.

Apex of the mandibular second premolar

B.

Apex of the maxillary first premolar

C.

Apex of the maxillary second molar

D.

Lateral to the incisive papilla

E.

Pterygomandibular space

Vignette #2 for following questions

A 25-year-old female complains of soreness in her left jaw. Intraoral examination shows inflammation on the

buccal surface around a partially erupted permanent mandibular left third molar and halitosis (bad breath).

___26.

To extract the involved tooth which nerve would need to be anesthetized?

A.

IA

B.

IO

C.

ASA

D.

PSA

E.

Greater palatine

dental anesthesia questions

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