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msk100 > Face & Scalp > Flashcards

Face & Scalp Flashcards

1
Q

Origin / Insertion / Nerve innervation of Temporalis Muscle?

A

O - Temporal Fossa & Fascia
I - Coronoid process (mandible)
N - Mandibular N (V3)

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2
Q

Action of Temporalis Muscle?

A

1) Elevation
2) Retraction

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3
Q

Origin / Insertion / Nerve innervation of Masseter?

A

O - Zygomatic Arch
I - Lateral surface of mandible
N -Mandibular N (V3)

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4
Q

Action of Masseter?

A

1) Elevation
2) Protraction

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5
Q

Origin / Insertion / Nerve innervation of Medial Pterygoid?

A

O - Pterygoid process (sphenoid)
I - Medial surface of angle of mandible
N -Mandibular N (V3)

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6
Q

Origin / Insertion / Nerve innervation of Lateral Pterygoid?

A

O - Pterygoid process (sphenoid)
I - Articular disc and neck of mandible
N -Mandibular N (V3)

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7
Q

Which muscles do elevation at mandible?

A

1) Temporalis
2) Masseter
3) Medial Pterygoid

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8
Q

Which muscles do depression at mandible?

A

1) Lateral Pterygoid

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9
Q

Which muscles do protrusion/protraction at mandible?

A

1) Lateral Pterygoid
2) Medial Pterygoid
3) Masseter

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10
Q

Which muscles do retraction/retraction at mandible?

A

1) Temporalis

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11
Q

Which muscles of lateral movements at mandible?

A

1) Lateral pterygoid
2) Medial pterygoid
3) Temporalis (same side)
4) Masseter

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12
Q

Action of Medial pterygoid?

A

1) Elevation
2) Protrusion
3) Contralateral Deviation

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13
Q

Action of lateral pterygoid?

A

1) Protrusion
2) Depression
3) Contralateral deviation

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14
Q

Layers of the scalp & their functions?

A

Skin - physical barrier
Dense CT - hair follicles, vessels, nerves, lymph
Aponeurosis - continuous with broad flat tendon
Loose CT - mobility of scalp
Pericranium - dense irregular CT highly adhered to cranium

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15
Q

Occipitofrontalis origin, insertion, and action?

A

O: Galea aponeurotic layer of skill
I: Frontalis = skin over eyebrows
Occipitalis = superior nuchal line
Action: Frontalis = Raise eyebrows & wrinkle forehead
Occipitalis = Anchor & retract scalp posteriorly

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16
Q

Orbicularis Oculi Function?

A

Sphincter muscle around eye that contracts to close lids

17
Q

Levator Palpebrae Superioris function?

A

Triangle muscle that elevates & retracts upper eyelid

18
Q

Elevators, retractors & evertors of the lips?

A

Levator labii superioris (elevators)
Zygomaticus major & minor (Smile)
Risoris (Side smile)

19
Q

Orbicularis Oris function?

A

Sphincter muscle that:
1) closes & protrudes lips (kissing)
2) Helps keep food in mouth

20
Q

Buccinator function?

A

1) Presses cheek against teeth
2) Helps keep food in mouth
3) Resists distension of mouth

21
Q

Which class of joint in the TMJ?

A

combined hinge & synovial joint

22
Q

What are the movements at the TMJ joint?

A

Anterior movement of the head of the mandible & articular disc on articular surface.
1) Rocking (initial open)
2) Sliding (wide open) - disc gets pinched here

23
Q

What are the ligaments at the TMJ Joint?

A

1) TMJ-lateral ligament
2) TMJ-sphenomandibular ligament
3) TMJ-stylomandibular ligament

24
Q

What are the 3 articular surfaces at TMJ joint?

A

1) Condylar processs (mandible)
2) Articular tubercle (temporal)
3) Mandibular fossa (temporal)

25
Q

TMJ-lateral ligament location and function?

A
  • Extends from zygomatic to temporal bone.
    -2 short bands on lateral surface of articular capsule that strengthens TMJ preventing dislocation.
    -Covered by parotid gland.
26
Q

TMJ-sphenomandibular ligament location & function?

A
  • Extends sphenoid to medial ramus.
  • supporting, extrinsic ligament (no strength).
27
Q

TMJ-Stylomandibular ligament location & function?

A
  • styloid process (temporal) to inferior & posterior ramus
  • supporting, extrinsic ligament (no strength)
28
Q

CN V: Trigeminal n. branches?

A
  1. Opthalmic
  2. Maxillary
  3. Mandibular
29
Q

CN VII: Facial n. branches?

A
  1. Temporal
  2. Zygomatic
  3. Buccal
  4. Marginal Mandibular
  5. Cervical

**To Zanzibar By Motor Car **

30
Q

Difference between CNV 3 (mandibular) & CNVII 4 (marginal mandibular)

A

CNV 3 - mastication
CN VII 4 - facial expression

31
Q

CN VII: Facial n. innervated all muscles of facial expression except? And what n innervates it instead?

A

Levator palpebrae superioris
CN III - Oculomotor

32
Q

Branches of arch of aorta and what do they supply? (in order from ascending to descending)

A
  1. Brachiocephalic - head & neck
  2. Left Carotid a. - Brain
  3. Left subclavian a. - upper limbs
33
Q

Branches of subclavian a. and what they supply?

A

Pre-scalene:
1. Vertebral a. - brain supply
2. Internal thoracic a. - anterior thoracic wall & breast
3. Thyrocervical trunk - larynx, trachea, esophagus, thyroid
**throat region **

Post-scalene:
1. Dorsal Scapular n. (turns into axillary)

34
Q

Where does the carotid a branch, what does it branch into it and supply?

A

Bifurcates at C3/C4 into:
1. External carotid a. - face, neck & scalp
2. Internal carotid a. - brain & eyes

35
Q

What are the internal branches of the carotid a?

A
  1. Opthalmic a.
  2. Anterior cerebral a.
  3. Middle cerebral a.
  4. Posterior communicating a.
36
Q

What is the venous drainage pattern of the head?

A
  1. Intracranial cerebral v.
  2. Superficial v.
  3. Deep v.

all drain into..
Internal & External Jugular v.
then to vena cava

37
Q

3 types of peripheral n?

A
  1. 31 pair of spinal n
  2. 12 pairs of cranial n.
  3. Autonomic n.
38
Q

Name all 12 cranial nerves.

A

** Oh, Once One Takes The Anatomy Final, Very Good Vacations Are Had **

CN I: Olfactory
CN II: Optic
CN III: Oculomotor
CN IV: Trochlear
CN V: Trigeminal
CN VI: Abducens
CN VII: Facial
CN VIII: Vestibulocochlear
CN IX: Glossopharyngeal
CN X: Vagus
CN XI: Spinal Accessory
CN XII: Hypoglossal

msk100 (22 decks)

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