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BDS 1 > Netter's MCQs Chapter 8: Muscles of Mastication > Flashcards

Netter's MCQs Chapter 8: Muscles of Mastication Flashcards

1
Q

All muscles of mastication originate in which location?

a: skull
b: mandible
c: zygomatic bone
d: temporalis bone

A

a: skull

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2
Q

Which cranial nerve innervates all muscles of mastication?

a: facial
b: maxillary
c: trigeminal
d: ophthalmic

A

c: trigeminal

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3
Q

The muscles of mastication all insert on which structure?

a: skull
b: mandible
c: zygomatic arch
d: maxillary tuberosity

A

b: mandible

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4
Q

Which surface of the masseter muscle is supplied by the masseteric artery?

a: deep
b: inferior
c: superior
d: superficial

A

a: deep

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5
Q

Which is NOT a main action of the masseter muscle?

a: elevate the mandible
b: retrude the mandible
c: protrude the mandible
d: move the mandible laterally

A

b: retrude the mandible

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6
Q

The superficial head of the masseter muscle is also described as the

a: deep part
b: lower part
c: larger part
d: smaller part

A

c: larger part

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7
Q

The temporalis muscle is NOT responsible for which action to the mandible?

a: elevation
b: retrusion
c: protrusion
d: lateral excursion

A

c: protrusion

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8
Q

The mandibular ramus is the insertion of each muscle, EXCEPT one. Which is the exception?

a: temporalis
b: lateral pterygoid
c: deep head of the masseter
d: superficial head of the masseter

A

b: lateral pterygoid

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9
Q

Which muscle of mastication keeps the mandible in rest position?

a: masseter
b: temporalis
c: lateral pterygoid
d: medial pterygoid

A

b: temporalis

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10
Q

Which muscle depresses the mandible?

a: masseter
b: temporalis
c: lateral pterygoid
d: medial pterygoid

A

c: lateral pterygoid

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11
Q

The origin of the upper head of the lateral pterygoid muscle is the

a: maxillary tuberosity
b: greater wing of the sphenoid
c: lateral surface of the pterygoid plate
d: medial surface of the pterygoid plate

A

b: greater wing of sphenoid

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12
Q

The pterygoid fovea is the insertion for which muscle?

a: deep head of the medial pterygoid
b: upper head of the lateral pterygoid
c: lower head of the lateral pteryoid
d: superficial head of the medial pterygoid

A

c: lower head of the lateral pterygoid

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13
Q

The zygomatic arch is the origin of which muscle?

a: masseter
b: temporalis
c: lateral pterygoid
d: medial pterygoid

A

a: masseter

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14
Q

Which part of the maxillary artery supplies the muscles of mastication?

a: pterygoid
b: mandibular
c: pterygopalatine
d: sphenomandibular

A

a: pterygoid

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15
Q

Which is NOT a branch of the 2nd part (pterygoid part) of the maxillary artery?

a: masseteric
b: pterygoid
c: transverse facial
d: anterior deep temporal

A

c: transverse facial

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16
Q

Which artery of the pterygoid (2nd part of maxillary artery) has an irregular number of branches?

a: buccal
b: pterygoid
c: anterior deep temporal
d: posterior deep temporal

A

b: pterygoid

17
Q

The middle temporal artery is a branch of which artery?

a: pterygoid
b: masseteric
c: transverse facial
d: superficial temporal

A

d: superficial temporal

18
Q

The pterygoid plexus receives branches that correspond with the same branches of which artery?

a: maxillary
b: external carotid
c: superficial temporal
d: anterior deep temporal

A

a: maxillary

19
Q

The tributaries of the pterygoid plexus form which vein?

a: maxillary
b: masseteric
c: deep facial
d: middle temporal

A

a: maxillary

20
Q

The middle temporal vein arises from within which muscle?

a: masseter
b: temporalis
c: medial pterygoid
d: lateral pterygoid

A

b: temporalis

21
Q

Which vein joins the superficial temporal vein?

a: buccal
b: pterygoid
c: transverse facial
d: anterior deep temporal

A

c: transverse facial

22
Q

Which vein does NOT join the pterygoid plexus of veins?

a: masseteric
b: middle temporal
c: anterior deep temporal
d: posterior deep temporal

A

b: middle temporal

23
Q

Which division of the trigeminal nerve innervates the muscles of mastication?

a: pterygoid
b: maxillary
c: mandibular
d: ophthalmic

A

c: mandibular

24
Q

The temporalis muscle is innervated by which nerve?

a: masseteric
b: medial pterygoid
c: lateral pterygoid
d: anterior deep temporal

A

d: anterior deep temporal

25
Q

Which nerve may occasionally arise as a branch from the buccal nerve?

a: masseteric
b: medial pterygoid
c: lateral pterygoid
d: posterior deep temporal

A

c: lateral pterygoid

26
Q

Which nerve provides a branch to the temporomandibular joint?

a: masseteric
b: lateral pterygoid
c: anterior deep temporal
d: posterior deep temporal

A

a: masseteric

BDS 1 (24 decks)

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