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D1S U2 Anatomy > G3 Skull, Face, Scalp > Flashcards

G3 Skull, Face, Scalp Flashcards

1
Q

Cranial bones that protect brain

A

Neurocranium

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2
Q

Facial bones that protect airway

A

Viscerocranium

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3
Q

Fracture of Pterion can cause hemorrhaging of _____.

A

Middle meningeal artery

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4
Q

Bregma correlates embryologically with ____

A

Anterior fontanel

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5
Q

Lambda correlates embryologically with ____

A

Posterior fontanel

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6
Q

Boundaries of Orbit:

A 
Roof- Frontal b.
Lat. wall- Zygomatic b.
Floor/medial wall- Maxilla b.
Medial wall- Lacrimal and ethmoid bb.
Posterior wall- Sphenoid b.
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7
Q

Boundaries of Nasal Cavity:

A

Roof- Nasal bones, Frontal sinus, Ethmoid, Sphenoid sinus
Floor/lat wall- Maxillary b.
Floor- Palatine horizontal plate
Medial- Vomer, perpendicular plate of ethmoid, nasal septum

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8
Q

The superior and middle nasal conchae are part of the ____ bone, while the inferior nasal conchae are ____ bones.

A

Ethmoid

Separate

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9
Q

Anterior cranial fossa is the most ____ in the cranial vault.

Posterior cranial fossa is the most _____ in the cranial vault.

A

Superior

Inferior

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10
Q

Make skull bones lighter, add resonance to voice, lined by mucosal membranes, continuous with nasal cavity.

A

Paranasal Sinuses

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11
Q

Layers of Scalp:

A 
Skin
Connective Tissue (dense)
Aponeurotic layer
Loose Connective Tissue
Pericranium
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12
Q

Superficial wounds into the ___ layer of the scalp tend to bleed profusely (highly vascularized)

Deep wounds into the ___ layer gape widely (muscles pull this open)

A

C

A

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13
Q

Danger space of scalp. Infections spread easily in this layer (Travel into cranial cavity through emissary veins to meninges; fluid moves anteriorly into eyelids and root of nose)

A

Loose Areolar Tissue

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14
Q

This muscle moves the scalp back and forward

A

Occipitofrontalis m. (Occipitalis m., Galea Aponeurotica, Frontalis m.)

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15
Q

Protract, elevate, and retract ears

A

3 Auricularis mm.

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16
Q

Raises eybrow (surprise)

A

Frontalis m.

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17
Q

Draws eyebrow in (frowning)

A

Curragator Supercilii m.

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18
Q

Closes eye (winking)

A

Orbicularis Oculi m.

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19
Q

Wrinkles bridge of nose

A

Procerus m.

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20
Q

Compresses and dilates nostril

A

Nasalis m.

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21
Q

Levator Labii Superioris Alaeque Nasi m. Function?

A

Dilates nostril

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22
Q

Closes mouth

A

Orbicularis Oris m.

23
Q

Elevates upper lip

A

Levator labii superioris m.

24
Q

Draws mouth up

A

Zygomaticus major/minor

25
Q

Depresses angle of mouth

A

Depressor anguli oris

26
Q

Depresses lower lip

A

Depressor labii inferioris

27
Q

Retracts corner of mouth

A

Risorius m.

28
Q

Protrudes lower lip

A

Mentalis m.

29
Q

Compresses cheek and assists with mastication (deep muscle of mouth)

A

Buccinator m.

30
Q

Elevates angle of mouth (deep muscle of mouth)

A

Levator Anguli Oris m.

31
Q

Depresses lower lip (deep muscle of mouth)

A

Depressor Labii inferioris m.

32
Q

Temporalis m. functions:

A

Elevates and retracts mandible

33
Q

Masseter functions:

A

Elevates and clenches mandible

34
Q

Med. Pterygoid functions:

A

Elevates, protracts, rotates mandible

35
Q

Lat. Pterygoid functions:

A

Protrudes, rotates, depresses mandible

36
Q

Provides sensory to face and scalp

A

Trigeminal n. (CN V)

37
Q

Provides sensory to back of head, ears, jaw

A

Cervical n.

38
Q

Provides motor to mm of facial expression

A

Facial n. (CN VII)

39
Q

Provides motor to mm of mastication

A

Mandibular n. (CN V3)

40
Q

The ____ duct transmits saliva from the parotid gland. It crosses masseter below zygomatic arch, turns ___ degrees to pierce buccinator m., opens into oral cavity opposite ____ (tooth) marked by elevated parotid papilla

A

Parotid/Stensen’s

90

2nd molar

41
Q

Calculus formation is associated with chronic ____.

A

Parotiditis

42
Q

Gustatory sweating (related to parotid gland) is known as

A

Frey’s Syndrome

43
Q

This nerve is in danger during parotidectomy because it passes thru the parotid gland

A

Facial n. (CN VII)

44
Q

CN V1 branches:

A
  1. Supra-orbital
  2. Supratrochlear
  3. Lacrimal
  4. Infratrochlear
  5. External Nasal
45
Q

CN V2 branches:

A
  1. Infra-orbital
  2. Zygomaticofacial
  3. Zygomaticotemporal
46
Q

CN V3 sensory branches:

A
  1. Inferior Alveolar and Lingal nn.
  2. Buccal n.
  3. Auriculotemporal n.
47
Q

Opening near parotid gland from internal to surface, most commonly after surgical procedure (duct ligation)

A

Salivary Fistula

48
Q

85-90% of these mixed tumors involve parotid

49
Q

Facial n. (CN VII) branches:

A
  1. Posterior auricular n.
  2. Nerves to posterior belly of digastric/stylohyoid mm.
  3. Temporal Branch
  4. Zygomatic branches
  5. Buccal branches
  6. Marginal Mandibular branches
  7. Cervical branches

*People Go To Zanzibar By Motor Car

50
Q

Injury to CN VII produces m. Paralysis on affected side. CN VII may be inflamed at ____ foramen. Edema and compression of nerve in ____.

A

Stylomastoid Foramen

Facial canal

51
Q

This fat covers up buccinator muscle located medially. Protects parotid duct and CN VII (buccal br.).

A

Buccal Fat Pad

52
Q

CN ___ provides motor to buccinator. CN ___ provides sensory to buccal mucosa and skin of cheek

53
Q

Supply blood to upper cheek region (parotid gland/duct, masseter m.)

A

Transverse Facial artery/vein

54
Q

Lymphatic drainage of head and neck is ___lateral and drains in the medial to lateral direction.

D1S U2 Anatomy (13 decks)

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