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H&N Anatomy Quiz 3 > Muscles of Mastication > Flashcards

Muscles of Mastication Flashcards

1
Q

Main masticatory muscle

A

masseter

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2
Q

A: causes elevation and protrusion of mandible

A

Masseter

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3
Q

A: assists other masticatory muscles to move the mandible laterally

A

masseter

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4
Q

CN: Masseter

A

Mandibular branch of trigeminal nerve CN V3

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5
Q

A: elevates and retrudes the mandible

A

Temporalis

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6
Q

A: assists in lateral movements of mandible

A

Temporalis

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7
Q

CN: Temporalis

A

mandibular branch of the trigeminal nerve (CN V3)

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8
Q

A: elevate (close) the jaw and protrude the jaw (move it forward)

A

Medial pterygoid

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9
Q

CN: Medial pterygoid

A

mandibular branch of trigeminal nerve (CN V3)

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10
Q

A: causes protrusion and depression of the jaw

A

Lateral Pterygoid

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11
Q

CN: Lateral pterygoid

A

mandibular branch of the trigeminal nerve (CN V3)

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12
Q

Floor of the mouth is made up with which muscles?

A

suprahyoid muscles, digastric muscles,
Mylohyoid
Geniohyoid

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13
Q

Name the accessory muscles of mastication

A

Anterior and posterior belly of digastric
Buccinator
Mylohyoid
Geniohyoid

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14
Q

The anterior and posterior gastric belly are separated by

A

intermediate tendon

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15
Q

A: depresses mandible

A

Anterior belly of digastric muscle
Posterior belly of digastric Mylohyoid
Geniohyoid

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16
Q

CN: Anterior belly of the digastric

A

mandibular branch of CN V

17
Q

CN: Mylohyoid

A

mandibular branch of trigeminal nerve

18
Q

CN: Geniohyoid

A

CN 1 (C1?)

19
Q

Only articulation between the skull and mandible

A

TMJ

20
Q

The skull and mandible articulate at the ____ and ____

A

mandibular condyle, zygomatic part of the temporal bone

21
Q

TMJ receives ___ (VE,VA,GA,GE,SA) from _____

A

GA, mandibular branch of the trigeminal nerve

22
Q

What is the most common source of facial pain after dental pain?

A

TMJ disorder

23
Q

TMJ disorder usually affects what demographic?

A

20-40 yo

24
Q

What branch is the pain carried through in TMJ disorder?

A

auriculotemporal nerve (branch of V3)

25
Q

Symptoms of TMJ disorder include:

A

pain in jaw and around ear
difficulty chewing
locking of joint
headache

26
Q

How do you treat TMJ pain?

A

pain meds
botox
bite guards
surgery

H&N Anatomy Quiz 3 (6 decks)

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