Brainscape's Knowledge GenomeTM

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


See full index

MGA Exam 4 > Brain and Meninges > Flashcards

Brain and Meninges Flashcards

1
Q

Layers of the scalp

A

Skin

Connective tissue

Aponeurotic layer

Loose areolar tissue

Periosteium

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

Main artery that supplies the dura mater

A

Middle meningial artery

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

What supplies the anterior cranial fossa?

A

V1 (opthalmic) branches

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

What supplies the middle cranial fossa?

A

V2 (maxillary) branches

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

What supplies the lateral cranial fossa?

A

V3 (mandibular) branches

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

What supplies the posterior cranial fossa?

A

C1-C2

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

Leptomeninges =

A

Pia mater + dura mater

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

Arachnoid granulations are

A

Small projections of arachnoid mater that extend through the dura mater

They allow the return of CSF to the venous system

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

Arachnoid mater enters the brain only via

A

The longituidnal fissure between the two cerebral hemispheres

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

Which space contains CSF

A

Subarachnoid space

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

Epidural space

A

Potential space between periosteal layer of dura mater and skull

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

Subdural space

A

Potential space between meningial layer of dura and arachnoid mater

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

What are dural partitions?

A

Projections of the meningeal layer of the dura mater into the cranial cavity

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

Dural partitions provide pathways for

A

Venous drainage

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

What are the 4 dural partitions

A

Falx cerebri

Diaphragma selli

Tentorium cerebelli

Falx cerebelli

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

Falx cerebri attached anteriorly to ___ and posteriorly to ___

A

Anterior: crista galli of ethmoid crest and frontal crest of frontal bone

Posterior: tentorium cerebelli

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

Tentorium cerebelli separates

A

Cerebellum from posterior parts of cerebral hemisphere

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

Tentorium cerebelli- attachments

Posteriorly:

Laterally:

Anteriorly:

A

Posterior: occipital bone

Laterally: Temporal bone

Anterior: clinoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Cerebral lobes of the brain sit on

A

Tentorium cerebelli

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

Diaphragma selli has an opening in the center for the

A

Infundibulum

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

Infundibulum connects

A

Pituitary gland with base of brain

22
Q

Falx cerebelli is attached posteriorly to

A

Occipital bone

23
Q

Falx cerebelli is attached superiorly to

A

Tentorium cerebella

24
Q

What is the only cranial nerve to exit from the posterior surface of the brainstem

A

Trochlear

25
Q

What nerves originate on the lateral surface of the brainstem

A

Facial

Vestibulocochlear

26
Q

What cranial nerves exit through the superior orbital fissure (4)

A

Oculomotor

Trochlear

Opthalmic

Abducent

27
Q

What cranial nerves exit through the internal acoustic meatus

A

Facial

Vestibulochochlear

28
Q

What nerves exit through the jugular foramen?

A

Glossopharyngeal

Vagus

Spinal accessory

29
Q

Facial nerve vs. Trigeminal nerve

A

Trigeminal = large sensory root, small motor root

Facial = small sensory root, large motor root

30
Q

Vertebral arteries enter the cranial cavity through ___

Internal carotid arteries enter the cranial cavity through ___

A

Veterbral: Foramen magnum

Internal carotid: carotid canals

31
Q

Veretebral arteries supply ___

Internal carotid arteries supply

A

Vetebral: brainstem, cerebellum, posterior part of cerebrum

Internal carotid: cerebrum, diencephalon

32
Q

Confluence of sinuses is the joining of (3)

A

Superior sagittal sinus

Straight sinus

Occipital sinus

33
Q

___ + ___ form the straight sinus

A

Vein of Galen + Inferior sagittal sinus

34
Q

Transverse sinus drains into ___ which drains into ___

A

Transverse sinus –> sigmoid sinus –> internal jugular vein

35
Q

Right transverse sinus receives blood from ___ and left transverse sinus recieves blood from ___

A

Right: superior sagittal sinus

Left: straight sinus

36
Q

Emissary veins exit through (4)

A

Parietal foramen

Condylar canal

Occipital foramen

Mastoid foramen

37
Q

Cavernous sinus receives blood from

A

Cerebral veins

Opthalmic veins

Sphenoparietal sinuses

38
Q

Cavernous sinus drains into

A

Superior and inferior petrosal veins

39
Q

Superior petrosal veins drain into

A

Transverse sinuses

40
Q

Inferior petrosal veins drain into

A

Internal jugular veins

41
Q

Superior petrosal sinuses receive blood from

A

Cerebral and cerebellar veins

42
Q

Inferior petrosal sinus receives blood from

A

Cerebellar veins

Internal ear

Brainstem

43
Q

Structures that pass through the cavernous sinus include

A

Internal carotid artery

Abducent nerve

44
Q

Structures in the lateral wall of each cavernous sinus are (superior to inferior)

A

Oculomotor nerve

Trochlear nerve

Opthalmic nerve

Maxillary artery

45
Q

CSF is produced by the

A

Choroid plexus

46
Q

Epidural hemorrhage caused by damage to

A

Middle meningeal artery

47
Q

Subdural hemorrhage caused by damage to

A

Bridging veins

48
Q

Suparachnoid hemorrhage caused by damage to

A

Cerebral artery

49
Q

Aneurysms typically occur in

A

Anterior or posterior communicating arteries

Branches of the middle cerebral artery

Distal end of basilar artery

Posterior inferior cerebellar artery

50
Q

Hydrocephalus

A

Increase in CSF that puts pressure on the brain

MGA Exam 4 (8 decks)

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