Brainscape's Knowledge GenomeTM

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


See full index

ANAT2010 > Somatosensory Systems > Flashcards

Somatosensory Systems Flashcards

1
Q

What is the purpose of the circle of Willis?

A

Prevents reduced blood flow to brain when one artery compressed

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

Which areas are supplied by the middle cerebral artery?

A

Most of lateral surface of hemisphere
Broca’s area and Wernicke’s area in left hemisphere
Upper limb function in both hemispheres

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

Which area is supplied by the anterior cerebral artery?

A

Anterior medial surface of hemisphere - contralateral lower limb function

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

Which area is supplied by the posterior cerebral artery?

A

Posterior medial surface of hemisphere - posterior visual cortex and temporal cortex - contralateral visual field function

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

Where is the nucleus basalis of Meynert and what is its role?

A

In basal forebrain

Supplies cholinergic fibres to neocortex

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

Which afferent fibre types run up and down Lissauer’s tract?

A

C fibres

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

Which afferent fibre types run up and down the dorsolateral columns?

A

Myelinated afferents

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

What is allodynia?

A

Mechanoceptive fibres activate nociceptive pathways in spinal cord

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

What is the role of the raphe nuclei?

A

Project serotonergic fibres over CNS

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

What is the role of the locus coerulus?

A

Projects NAergic axons over CNS

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

What is cranial nerve I and what is its role?

A

Olfactory

Smell

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

What is cranial nerve II and what is its role?

A

Optic

Vision

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

What is cranial nerve III and what is its role?

A

Oculomotor

Eye movement

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

What is cranial nerve IV and what is its role?

A

Trochlear

Downward and lateral eye movement

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

What is cranial nerve V and what is its role?

A

Trigeminal

Sensory info from face, chewing

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

What is cranial nerve VI and what is its role?

A

Abducens

Lateral eye movement

17
Q

What is cranial nerve VII and what is its role?

A

Facial

Expressions, tear and saliva secretion, taste

18
Q

What is cranial nerve VIII and what is its role?

A

Vestibulocochlear

Hearing, equilibrium sensation

19
Q

What is cranial nerve IX and what is its role?

A

Glossopharyngeal

Taste, carotid sinus bp and O2 detection

20
Q

What is cranial nerve X and what is its role?

A

Vagus

Swallowing, GI tract secretion and motility, slows heart rate, ear and larynx afferents, aorta afferents

21
Q

What is cranial nerve XI and what is its role?

A

Accessory

Swallowing, speech - via vagus

22
Q

What is cranial nerve XII and what is its role?

A

Hypoglossal

Tongue movements

23
Q

What are the branches of the trigeminal nerve and which areas do they innervate?

A

Opthalmic (V1) - Eye, forehead
Maxillary (V2) - cheek
Mandibular (V3) - lower jaw

ANAT2010 (21 decks)

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