Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy exam 5 > gross brain, meninges, dural sinuses and cranial fossae > Flashcards

gross brain, meninges, dural sinuses and cranial fossae Flashcards

1
Q

roll of brain

A

stimulartes movement
Maintains homeostatis
produce thought

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what does the central sulcus separate

A

between frontal and parietal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what does the parieto-occipital sulcus separate

A

between parietal and occipital lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what does the lateral fissure/sulcus separate

A

temporal and frontal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what does the longitudinal fissure separate

A

between 2 cerebral hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what does the parieto-occipital sulcus separate

A

the parietal lobe and the occipital lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what fibers connect the cerebral hemispheres

A

corpus callosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the relay station for all sense except olfaction

A

thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the center for autonomic and endocrine function

A

hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the master gland for homeostasis

A

pituitary gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the center for sleep-wake cycles

A

pineal gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the nuclei related to emotions

A

mammillary bodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

which cranial nerve comes from the dorsal part of the brainstem

A

trochlear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what type of nerons are olfactory nerons

A

bipolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what does CN III come out from betwen

A

posterior cerebral and superior cerebellar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what does CN III come out from betwen

A

posterior cerebral and superior cerebellar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

where does the abducens Nerve leave brainstem

A

at the ponto-medullary juntion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what comes off the bassillar artery

A 
anterior inferior cerebellar artery
labyrinthine artery
pontine artery
superior cebellar arteries
posterior cebellar arteries
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what comes off the vertebral artery

A

the posterior inferior cebellar artery
anterior spinal artery
posterior spinal arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

2 main sources of blood to the brain

A

Internal Carotid Arterial system

Vertebrobasilar arterial system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is the anastomosis of the internal carotid and vertbrobasilar arterial systems

A

the circle of willis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

travel of the internal carotid artery to enter the cranial cavity

A 
ascends neck to base of skull
enters carotid canal and makes a 90 degree turn
ascends superior through foramen lacerum
enters the cavernous sinus 
into cranial cavity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what does the internal carotid artery supply

A

the anterior and middle brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

travel of the vertebral artery

A

Ascends thru the transverse formina of C6 and above
makes 90 degree turn
enters foramen magnum
joins opposite vertebral artery to make basilar artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what does the vertebral artery supply

A

posterior brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

arteries that make the circle of willis

A 
anterior communicating artery
anterior cerebral arteries
internal carotid arteries
Posterior communicating arteries
posterior cerebral arteries
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

branches of the internal carotid aryery

A 
ophthalmis aa (eyes)
middle and anterior cerbral arteries
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

what does the internal carotid artery anastomose with

A

posterior communicating arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what does the internal carotid artery supply

A

anterior and middle brain.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

what does the anterior cerebral aa supply

A

supply anterior and medial cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

what does the middle cerebral aa supply

A

anterior and lateral cerbrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what does the posterior cerebral aa supply

A

posterior and inferior cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

what does the superior cerebellar arteries supply

A

supply supr cerebellum

34
Q

what does the anterior inferior cerebellar aa supply

A

anterior and inferior cerebellum

35
Q

what does the posterior inferior cerebellar aa supply

A

posterior and inferior cerebellum

36
Q

bones of the anterior cranial fossa

A 
frontal
ethmoid
lesser wing of sphenoid
anterior clinoid processes of sphenoid
body of sphenoid
37
Q

what nerve is found in the naterior cranial fossa

A

CN I (olfactory N)

38
Q

what does the olfactory bulb lay on

A

the cribiform plate

39
Q

what makes up the middle cranial fossa

A

the sphenoid
the temporal bone
the pariental bone

40
Q

fossa of the middle cranial fossa

A 
superior orbital fissure
optic canal
foramen rotundum
foramen ovale
foramen spinosum
carotid canal
foramen lacerum
41
Q

what coveres foramen lacerum

A

a cartilagenous plug

42
Q

what is found in the hypophyseal fossa of the sphenoid bone body

A

the pituitary

43
Q

foman assocaited with the posterior cranial fossa

A

foramen magnum
hypopglossal canal
jugular foramen

44
Q

bones of the posterior cranial fossa

A

temporal
parietal
occipital

45
Q

what passes through foramen magnum

A

spinal cord, vertebral arteries

accessory nerve enters skull

46
Q

what passes through the jugular foramen

A

CN IX, X, and XI exits

intenral jugular vein

47
Q

layers of the dura mater

A

periosteal

menengial layer

48
Q

what is between the periosteal layer and the meningeal layer of the dura

A

sinuses

49
Q

is the dura mater vascularized

A

yes

50
Q

the big artery that supplies the dura

A

middle meningeal artery

also ethmoid artery branhces, occipital aryery branches and vertebral artery branches

51
Q

what does the middle meningeal artery travel through

A

foramen spinosum

52
Q

where does the middle meningeal vessels travel

A

between the dura layers

53
Q

parts of the middle meningeal arteries

A

frontal and parietal

54
Q

what does the frontal branch of the middle meningeal artery lie beneith

A

the pteryon

55
Q

what does tearing of the middle meningeal artery lead to

A

epidural (extradural) hematoma (bleeding between dura and skull)

56
Q

a hematoma from the middle meningeal artery leads to

A

exerting fatal pressure on the brain

57
Q

is the brain innervated

A

no, but the dura is

58
Q

what supplies innervation of the dura

A 
CN V1 (frontal and tentoral cerebelli)
CN V2 (frontal and middle)
CN V3(frontal, middle, and posterior dura on the lateral surface)
Cervical branches (posterior cranial fossa
59
Q

what drains into the dural venous sinuses

A 
Emissary vein(tranvserse entire skull) and diploic vein(brain from the bone)
Cerebral veins (neural tissue)
60
Q

what direction do dural venous sinuses drain

A

anterior to posterior

61
Q

most superior dural sinuse

A

superior sagital sinus

62
Q

what does the superior sagital sinus drain into

A

confluence of sinuses

63
Q

sinus fod at the inferior portion of the falx cerebri

A

inferior sagital sinus

64
Q

what does the inferior sagital sinus drain to

A

straight sinus then confluence of sinuses

65
Q

what does the confluence of sinuses drain into

A

the R and L transverse sinus then sigmoid sinus then internal jugular vein

66
Q

what drains into the cavernous sinus

A

opthalmic vein

67
Q

where are the vacernous sinuses found

A

lateral to the pituitary

68
Q

what sinus drains the parietal and temporal lobes

A

intercavernous sinuses, then cavernous sinus, the superior petrosal sinus along petrus ridge, then sigmoid sinus, and out via the internal jugular vein

69
Q

dural venous sinuses have valves

A

no

70
Q

what passes through the cavernous sinus

A

internal carotid a and CN VI

71
Q

what is found in the lateral wall of the cavernous sinus

A

CN III, IV, V1 and V2

72
Q

if the cavernous sinus is injured or infected, what can also be affected

A

ICA or CN’s

73
Q

Breaking of ICA when the skull base fractures leads to

A

arteriovenous fistula

74
Q

what covers the cerbral veins

A

the arachnoid mater

75
Q

veins from the cerebral veins that drain into the superior sagital sinus

A

bridging veins

76
Q

the thin non-vascular membrane loosely surrounding the brain

A

arachnoid mater

77
Q

what does the arachnoic mater cover

A

all fissures and sulci of brain

78
Q

roll of the CFS

A

acts as a shock absorber by forming a fluid cushion over gyri and sulci (also nutrients)

79
Q

what is found in the subarachnoid space

A

cerebral and cerebellar blood vessels, CSF

80
Q

what allows the CSF to be absorbed into the superior sagital sinus

A

arachnoid granulations

81
Q

what makes CSF

A

choroid plexus in lateral ventricles and roof of 3rd, and floor of 4th

82
Q

what crosses the pia mater

A

vesels that supply the brain

Anatomy exam 5 (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions