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Flashcards in Head and Neck, Topnotch Deck (74):
1

Point of meeting and articulation of the frontal, parietal, squamous temporal and greater wing of sphenoid

Pterion

2

Point of meeting and articulation of the frontal, parietal, squamous temporal and greater wing of sphenoid

Pterion

3

Skull fracture at the pterion: May lacerate the

Middle meningeal artery

4

Skull fracture at the pterion: Intracranial hemorrhage

Epidural or extradural hematoma

5

Skull fracture at the pterion: T/F May compress brainstem

T

6

Fracture of petrous temporal bone: Signs

1) Otorrhea
2) Hearing loss
3) Facial nerve damage

7

Maxillary fracture: Horizontal fracture superior to the maxillary alveolar process

LeFort I

8

Maxillary fracture: Posterolateral parts of maxillary sinuses; central part of face separated from cranium

LeFort II

9

Maxillary fracture: Horizontal fracture that passes through superior orbital fissures, ethmoid, and nasal bones, extending to greater wing of sphenoid; Maxillae and zygomatic bone separated from cranium

LeFort III

10

LeForte fractures

Image

11

Layer of the scalp: Allows free movement of scalp proper

Loose connective tissue

12

Layer of the scalp: Where emissary veins are found

Loose connective tissue

13

Premature closure of skull sutures

Craniosynostosis

14

Craniosynostosis: Premature closure of sagittal suture

Scaphocephaly

15

Craniosynostosis: Premature closure of coronal suture

Oxycephaly/acrocephaly

16

Craniosynostosis: Premature closure of coronal and lambdoid sutures on one side of skull

Plagiocephaly

17

Craniosynostosis: Long and narrow skull

Scaphocpephaly

18

Primary brain vesicles differentiate into secondary vesicles at ___ week of development

5th

19

Primary brain vesicles differentiate into secondary vesicles at ___ week of development

5th

20

Skull fracture at the pterion: May lacerate the

Middle meningeal artery

21

Skull fracture at the pterion: Intracranial hemorrhage

Epidural or extradural hematoma

22

Skull fracture at the pterion: T/F May compress brainstem

T

23

Fracture of petrous temporal bone: Signs

1) Otorrhea
2) Hearing loss
3) Facial nerve damage

24

Maxillary fracture: Horizontal fracture superior to the maxillary alveolar process

LeFort I

25

Maxillary fracture: Posterolateral parts of maxillary sinuses; central part of face separated from cranium

LeFort II

26

Maxillary fracture: Horizontal fracture that passes through superior orbital fissures, ethmoid, and nasal bones, extending to greater wing of sphenoid; Maxillae and zygomatic bone separated from cranium

LeFort III

27

LeForte fractures

Image

28

Meningeal layer sends ___ septa inward to restrict displacement of brain associated with acceleration and deceleration when the head is moved

4

29

Layer of the scalp: Where emissary veins are found

Loose connective tissue

30

Premature closure of skull sutures

Craniosynostosis

31

Craniosynostosis: Premature closure of sagittal suture

Scaphocephaly

32

Craniosynostosis: Premature closure of coronal suture

Oxycephaly/acrocephaly

33

Craniosynostosis: Premature closure of coronal and lambdoid sutures on one side of skull

Plagiocephaly

34

Craniosynostosis: Long and narrow skull

Scaphocpephaly

35

Craniosynostosis: Tower skull

Oxycephaly/acrocephaly

36

Primary brain vesicles differentiate into secondary vesicles at ___ week of development

5th

37

Adult derivative of Neural tube

CNS

38

Adult derivatives of neural crest

1) PNS and ANS
2) Cranial, spinal, and autonomic ganglia
3) Meninges
4) Pigment cells of retina
5) Cells of adrenal medulla

39

Daily folic acid requirement 3 months prior to conception and through gestation to prevent NTDs

400 mg/day

40

Landmark to separate supra- from infratentorial structures

Tentorium cerebelli

41

T/F Infratentorial structures are located inferior to the foramen magnum

F

42

Supratentorial structures

1) Cerebrum
2) Basal ganglia
3) Thalamus
4) Hypothalamus
5) CN I and II

43

Infratentorial structures

1) Cerebellum
2) Brainstem
3) CN III to XII

44

Meninges from outermost to innermost

DAP
1) Dura
2) Arachnoid
3) Pia

45

Layers of dura mater

1) Endosteal layer covering inner surface of bone
2) Meningeal layer

46

Meningeal layer sends ___ septa inward to restrict displacement of brain associated with acceleration and deceleration when the head is moved

4

47

Meningeal septa: Between 2 cerebral hemispheres

Falx cerebri

48

Meningeal septa: Roofs over the posterior cranial fossa, covering the upper surface of the cerebellum

Tentorium cerebelli

49

Meningeal septa: Between 2 cerebellar hemispheres

Falx cerebelli

50

Meningeal septa: Forms roof of sella turcica

Diaphragma sella

51

Meningeal septa: Sickle-shaped

Falx cerebri

52

Meningeal septa: Crescent-shaped

Tentorium cerebelli

53

Meningeal septa: Small, sickle-shaped

Falx cerebelli

54

Meningeal septa: Small, circular

Diaphragma sella

55

Falx cerebri is attached anteriorly to the

1) Frontal crest
2) Crista galli

56

Meningeal septa: Supports the occipital lobes

Tentorium cerebelli

57

Meningeal septa: Attached to internal occipital crest

Falx cerebelli

58

Dura mater: Sensory nerve supply

1) Trigeminal nerve
2) C1-3

59

Dura mater: Sensory supply above tentorium

Trigeminal nerve

60

Dura mater: Sensory supply below tentorium

C1-3

61

Dura mater: Above tentorium, headache is referred to the

Forehead and face

62

Dura mater: Below tentorium, headache is referred to the

Back of the head and neck

63

Where CSF is located between meninges

Subarachnoid space

64

Meninges: Made of mesothelial cells

Pia mater

65

Gyrus-functional area: Precentral

Primary sensory

66

Gyrus-functional area: Postcentral

Primary motor

67

Gyrus-functional area: Heschl's gyrus

Primary auditory

68

Gyrus-functional area: Inferior frontal grove

Wernicke's area

69

Broca's area: Primary motor

BA 4

70

Broca's area: Primary somesthetic

BA 3,1,2

71

Broca's area: Primary visual

BA 17

72

Broca's area: Primary auditory

BA 41,42

73

Provides voluntary control of skeletal muscles

Pyramidal system

74

Pyramidal system: Consists of

1) Corticobulbar
2) Anterior corticospinal
3) Lateral corticospinal