Local anesthesia Five

Question 1

______ nerve is the largest cranial nerve

Answer 1

Trigeminal

Question 2

What are the two characteristics of Trigeminal nerve

Answer 2

 Small motor

 Large sensory root

Question 3

t/f: The motor portion of the trigeminal nerve originates at the motor nucleus in pons and medulla oblongata

Answer 3

true

Question 4

Where does the trigeminal nerve exit the cranium?

Answer 4

foramen ovale

Question 5

What is innervated by the trigeminal nerve?

Answer 5

 Masticatory muscle( masseter, temporalis, med/lat pterygoid)
 Mylohyoid
 Anterior belly of digastric
 Tensor tympani
 Tensor veli palatini

Question 6

The Sensory root of the trigeminal nerve originates where?

Answer 6

 Petrous portion of Temporal bone

Question 7

What are the three divisions of the trigeminal nerve?

Answer 7

V1, V2, V3

Question 8

Foremen of V1:

Answer 8

Superior Orbital Fissure

Question 9

Foremen of V2:

Answer 9

Foramen Rotundum

`

Question 10

Foremen of V3:

Answer 10

Foramen Ovale

`

Question 11

t/f: Opthalmic Division is Exclusively sensory

Answer 11

true

Question 12

the ______ supplies sensory to the following:

Eyeball, conjunctiva, lacrimal gland, Mucous membrane of nose and paranasal sinuses, and skin of forehead, eyelid, and nose

Answer 12

Ophthalmic Division

Question 13

What are the three major branches of the Ophthalmic divison of the trigeminal nerve?

Answer 13

 Nasociliary nerve
 Frontal Nerve
 Lacrimal Nerve

Question 14

t/f: the V2 division is purely sensory.

Answer 14

true

Question 15

What are the origins of the V2 division

Answer 15

 Foramen Rotundum
 Pterygopalatine Fossa
 Inferior orbital fissure/canal
 Infraorbital foramen

Question 16

The ptyergopalatine fossa houses what two nerves?

Answer 16

zygomatic and pterygopalatine nerve

Question 17

What does the pterygopalatine nerve supply?

Answer 17

 Orbital
 Nasal (nasopalatine)
 Palatine (greater palatine nerve)
 Pharyngeal

Question 18

What two nerves lie in the infraorbital canal?>

Answer 18

 Middle superior alveolar (MSA)

 Anterior superior alveolar (ASA)

Question 19

What three structures are supplied by the facial branch of v2?

Answer 19

Inferior palpebral
Lateral nasal
Superior labial

Question 20

t/f: MSA nerve is to be present in 28 % of time

Answer 20

true

Question 21

_____ provides pulpal innervation to Central and lateral incisors, Canine, PDL, buccal bone, mucous membrane of these teeth

Answer 21

ASA (anterior superior alveolar)

Question 22

What are the 3 major types of local anesthesia?

Answer 22

 Local Infiltration
 Field Block
 Nerve Block

Question 23

____ _____ blocks nerve impulses to a very specific structure ( 1 tooth or even 1/2 a tooth)

Answer 23

Local Infiltration

Question 24

______ _____ blocks nerve impulses to a slightly larger range of structures (a few teeth)

Answer 24

Field Block

Question 25

______ ______ blocks nerve impulses to the greatest region in the maxillary arch (entire anteriors)

Answer 25

nerve block

Question 26

Where does the trigeminal nerve orginate?

Answer 26

petrous portion of the cranium

Question 27

What portion of the trigemeninal nerve goes through the foramen rotundum?

Answer 27

V2 Maxillary nerve

Question 28

What portion of the trigemeninal nerve goes through the foramen ovale?

Answer 28

v3 mandibular

Question 29

Researchers have theorized that one could administer a nerve block to v2 via the face through which anatomical structure?

Answer 29

Ptyergopalatine fossa to the foramen rotundum.