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Local Anesthesia > Module 1 > Flashcards

Module 1 Flashcards

0
Q

The trigeminal nerve is the ———

Cranial nerve

A

Bulkiest (largest)

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1
Q

What is the name of cranial nerve number 5

A

Trigeminal Nerve

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2
Q

The trigeminal nerve has a small

——-root and a large ——– root

A

Motor

Sensory

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3
Q

What does the trigeminal nerve innervate?

A

Skin of face

Teeth, bone, and soft tissues of the oral cavity

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4
Q

How many divisions does the trigeminal nerve have?

A

3

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5
Q

What are the 2 main types of injections given orally?

A

Pulpal

Infiltration

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6
Q

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

A

Muscles of mastication

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7
Q

What are the 4 main muscles of mastication?

A

Masseter
Temporalis
Medial pterygoid
Lateral pterygoid

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8
Q

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

A

Pharynx

Base of tongue

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9
Q

Name the 3 divisions of the trigeminal nerve?

A

1- ophthalmic
2- maxillary
3- mandibular

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10
Q

The ophthalmic division exits the cranial cavity through?

A

Superior orbital fissure

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11
Q

VI only has ——- abilities

A

Sensory

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12
Q

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

A

Nasociliary
Frontal
Lacrimal

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13
Q

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

A

Foramen rotundum

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14
Q

Which division of the trigeminal nerve is the smallest?

A

VI- ophthalmic

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15
Q

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

A

PSA-

posterior superior alveolar nerve

16
Q

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

A

MSA and ASA

17
Q

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

A

Dental plexus

18
Q

Where is the insertion point for a PSA shot?

A

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

19
Q

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

A

45 degree angle

20
Q

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

A

Infratemporal fossa

21
Q

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

A

Pterygoid plexus is located close to injection site

22
Q

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

A

Foramen ovale

23
Q

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

A

Auriculotemporal
Lingual
Inferior alveolar
Mylohyoid

24
Q

What are the 2 branches of the IA nerve?

A

Mental

Incisive

25
Q

What is the mental nerve/where is it located?

A

The part of the IA that exits the mental foramen

26
Q

What is the incisive nerve/where is it located

A

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

27
Q

The Inferior Alveolar nerve enters the mandible through?

A

Mandibular foramen

28
Q

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

A

1-19

29
Q

The mandibular foramen is protected by what?

A

Lingula

30
Q

Why does your tongue go numb?

A

Lingual nerve gets affected when giving an IA shot

31
Q

Why does the floor of your mouth go numb?

A

The mylohyoid nerve is affected when doing an IA shot

32
Q

The maxillary bone is more ——,

—– and is made up of —— bone?

A

Vascular, porous,

Cancellous

33
Q

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

A

Largest , strongest

Cortical

Local Anesthesia (7 decks)

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