Module 1

Question 0

The trigeminal nerve is the ———

Cranial nerve

Answer 0

Bulkiest (largest)

Question 1

What is the name of cranial nerve number 5

Answer 1

Trigeminal Nerve

Question 2

The trigeminal nerve has a small

——-root and a large ——– root

Answer 2

Motor

Sensory

Question 3

What does the trigeminal nerve innervate?

Answer 3

Skin of face

Teeth, bone, and soft tissues of the oral cavity

Question 4

How many divisions does the trigeminal nerve have?

Answer 4

3

Question 5

What are the 2 main types of injections given orally?

Answer 5

Pulpal

Infiltration

Question 6

The motor root of the trigeminal nerve supplies what anatomical landmarks?

Answer 6

Muscles of mastication

Question 7

What are the 4 main muscles of mastication?

Answer 7

Masseter
Temporalis
Medial pterygoid
Lateral pterygoid

Question 8

The sensory root of the trigeminal nerve supplies skin of the face and oral cavity except —— and ——–

Answer 8

Pharynx

Base of tongue

Question 9

Name the 3 divisions of the trigeminal nerve?

Answer 9

1- ophthalmic
2- maxillary
3- mandibular

Question 10

The ophthalmic division exits the cranial cavity through?

Answer 10

Superior orbital fissure

Question 11

VI only has ——- abilities

Answer 11

Sensory

Question 12

What are the 3 divisions of the ophthalmic division of the trigeminal nerve?

Answer 12

Nasociliary
Frontal
Lacrimal

Question 13

The maxillary division of the trigeminal nerve exits the cranial cavity through?

Answer 13

Foramen rotundum

Question 14

Which division of the trigeminal nerve is the smallest?

Answer 14

VI- ophthalmic

Question 15

What nerve (branch) of VII is located in the pterygopalatine fossa?

Answer 15

PSA-

posterior superior alveolar nerve

Question 16

What nerve (branch) of VII is located “inside” the infraorbital canal?

Answer 16

MSA and ASA

Question 17

The MSA and ASA form a —– —– or nerve network?

Answer 17

Dental plexus

Question 18

Where is the insertion point for a PSA shot?

Answer 18

Distal buccal cusp of 2nd molar at the height of the mucobuccal fold at the root tip

Question 19

You point the needle in what direction when giving a PSA shot?

Answer 19

45 degree angle

Question 20

We are aiming for what landmark when giving a PSA shot?

Answer 20

Infratemporal fossa

Question 21

Why do you get a positive aspiration more often on a PSA injection?

Answer 21

Pterygoid plexus is located close to injection site

Question 22

The mandibular division of the trigeminal nerve exits the cranial cavity through?

Answer 22

Foramen ovale

Question 23

The posterior branch of the mandibular division of the trigeminal nerve contains what 4 nerves?

Answer 23

Auriculotemporal
Lingual
Inferior alveolar
Mylohyoid

Question 24

What are the 2 branches of the IA nerve?

Answer 24

Mental | Incisive

Question 25

What is the mental nerve/where is it located?

Answer 25

The part of the IA that exits the mental foramen

Question 26

What is the incisive nerve/where is it located

Answer 26

It is the IA (inside the bone) from the mental foramen forward

Question 27

The Inferior Alveolar nerve enters the mandible through?

Answer 27

Mandibular foramen

Question 28

The mandibular foramen can have a --- to ---mm height difference in location?

Answer 28

1-19

Question 29

The mandibular foramen is protected by what?

Answer 29

Lingula

Question 30

Why does your tongue go numb?

Answer 30

Lingual nerve gets affected when giving an IA shot

Question 31

Why does the floor of your mouth go numb?

Answer 31

The mylohyoid nerve is affected when doing an IA shot

Question 32

The maxillary bone is more ------, | ----- and is made up of ------ bone?

Answer 32

Vascular, porous, | Cancellous

Question 33

The mandibular bone is the ----- and ------ in the face and is made up of ------ bone?

Answer 33

Largest , strongest | Cortical