Brainscape's Knowledge GenomeTM

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


See full index

Anatomy Unit 1 > Gross Brain, Meninges and Sinuses > Flashcards

Gross Brain, Meninges and Sinuses Flashcards

1
Q

How does the brain stimulate movement? Maintain homeostasis?

A
  • sensory and motor inputs

- between internal and external environment

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

What functional modality is served in occipital lobe?

A

vision, contains primary visual cortex

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

What functional modality is served in parietal lobe?

A

sensation and information integration (contains primary sensory cortex)

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

What functional modality is served in temporal lobe?

A

motion (contains primary motor cortex)

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

What contains fibers connecting cerebral hemispheres?

A

corpus callosum

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

What is the relay station for all senses? Which sense is missing?

A

Thalamus, olfaction

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

Where is the center for autonomic and endocrine functions?

A

hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
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
9
Q

Where 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
10
Q

Where are the nuclei related to emotions? (ant to midbrain)

A

mammillary bodies

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

What are the 2 main sources of blood to brain?

A

ICA system and vertebrobasilar arterial system

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

What is the anastomoses between the 2 main sources of blood to the brain?

A

circle of willis

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

Path of ICA

A

carotid canal -> 90˚ turn -> ascends sup foramen lacer -> enters cavernous sinus into cranial cavity

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

Vertebral a path

A

transverse foramina of C6 and above -> 90˚ turn -> foramen magnum -> joins opposite vertebral a and forms basilar a

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

What does ICA terminate as?

A

middle and anterior cerebral aa

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

What does the vertebrobasilar system supply?

A

posterior brain

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

What do the posterior spinal aa supply?

A

post 1/3 spinal cord

18
Q

What do ant spinal aa supply?

A

ant 2/3 spinal cord

19
Q

What does post inf cerebellar aa supply?

A

inf cerebellum and lateral medulla

20
Q

What brain lobes do the ant cranial fossa hold? bones?

A

frontal lobes

- frontal, ethmoid, sphenoid

21
Q

What brain lobes do middle cranial fossa hold? bones?

A

temporal lobes

- sphenoid, parietal, petrous portion of temporal

22
Q

What lobes do post cranial fossa hold? bones?

A

cerebellum and brainstem

- temporal, parietal, occipital

23
Q

Where does middle cranial fossa extend?

A

lesser wing of sphenoid bone to sup extent of petrous portion of temporal

24
Q

What is the rough outer layer of dura mater adherent to the skull?

A

periosteal layer

25
Q

What is the smooth inner layer of dura mater that covers arachnoid mater?

A

meningeal layer

26
Q

What occurs when middle meningeal a tears quickly?

A

leads to epidural (extradural) hematoma (arterial bleeding between dura mater and skull)

27
Q

Fractures in which portion of the skull commonly produce tearing of ant branch of middle meningeal a (frontal br)?

A

pterion

28
Q

T/F the brain has sensory innervation

A

F, the meninges do

29
Q

Where is falx cerebri found between?

A

sagittal fissure

30
Q

Where is falx cerebelli found between?

A

two cerebellar hemisphere

31
Q

Where is tentorium cerebelli found?

A

between cerebrum and cerebellum

32
Q

Where is diaphragma sellae found?

A

between brain and pituitary gland

33
Q

What passes through cavernous sinus?

A

ICA and CN VI

34
Q

What CNs are sheathed in the lateral wall of cavernous sinus?

A

CN III, IV, V1 and V2

35
Q

What results from ICA rupture with skull base fractures?

A

arteriovenous fistula -> abnormal reflex of blood into ophthalmic vv (pulsating exophthalmos)

36
Q

What occurs with. blows that jerk the brain inside the skull?

A

subdural hematoma, rupture of cerebral v. limited by falx cerebri and tentorum cerebelli

37
Q

What is the thin non-vascular membrane loosely surrounding the brain?

A

arachnoid mater

38
Q

What is deep to the arachnoid mater?

A

arachnoid space

39
Q

Where are cerebral and cerebellar blood vessels found?

A

in subarachnoid space, contains CSF

40
Q

What acts as shock absorber forming fluid cushion of gyri and sulci?

A

subarachnoid space

41
Q

What is the delicate membrane surrounding the brain and is pierced by vessels supplying the brain?

A

pia mater

Anatomy Unit 1 (11 decks)

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