Brainscape's Knowledge GenomeTM

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


See full index

Lily BRS Neuro > Brainstem And Cranial Nerves > Flashcards

Brainstem And Cranial Nerves Flashcards

1
Q

What sections is the brain made of?

A

Forebrain - cerebral hemispheres, diencephalon (thalamus and hypothalamus)

Midbrain

Hindbrain - pons medulla and cerebellum

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

What does the brainstem comprise?

A

The midbrain and the pons and medulla

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

How do nerves pass through the brainstem?

A

All ascending and descending pathways pass through

Many synapse here in relay nuclei or arise directly from or synapse in other brainstem nuclei

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

How is the cerebellum connected to the brainstem?

A

3 cerebellar peduncles (white fibre tracts)

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

The nuclei of how many cranial nerves are located in the brainstem?

A

9 out of 12 pairs

III-XII (except XI)

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

What is the structure of the brainstem?

A

POSTERIOR

Tectum (roof, just behind the ventricular system)

Tegmentum

Base

ANTERIOR

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

What is the order of the three components in the brainstem?

A

Midbrain

Pons

Medulla (oblongata)

(From top to bottom)

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

What are some of the components of the posterior aspect of the brainstem?

A

Pineal gland

Superior colliculus

Inferior colliculus

Trochlear nerve

Dorsal columns

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

What are some components of the anterior aspect of the brainstem?

A

Optic chiasm

Pituitary stalk

Mammillary bodies

Cerebral peduncle (descending corticospinal and corticobulbar tracts)

Medullary pyramids

Pyramidal decussation

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

Look at the slides for this bit it’s kinda anatomical?

A

Look at the slides

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

Which is the rostral continuation of the spinal cord?

A

The medulla

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

Where does the CNS blood supply come from?

A

2 arterial systems: anterior and posterior

Anterior: internal carotid system -> cerebral hemispheres

Posterior: vertebrobasilar -> brainstem

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

What are the functional groups of the cranial nerves?

A

General somatic afferent

General somatic efferent

General visceral afferent

General efferent efferent

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

What are the three special classifications of the cranial nerves?

A

Special somatic afferent - special senses of hearing and balance

Special visceral afferent - taste sensation

Special visceral efferent - innervate skeletal muscle of jaw, gave, larynx and pharynx

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

What is the function of cranial nerve III?

A

Ocular motor

GSE/GVE

Motor to lavator palpaebrae superioris, superior recurs, inferior recurs, medial rectus

Parasympathetic: motor to sphincter pupillae, ciliary muscles for accommodation

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

What is the function of cranial nerve IV?

A

Trochlear

GSE

Motor to superior oblique

17
Q

What is the function of cranial nerve V?

A

Trigeminal

GSA/SVE

Propriceptipn from muscles of mastication, discriminative touch and vibration from head, pain and temperature from head, motor to muscles of mastication

18
Q

What is the function of cranial nerve VI?

A

Abducens

GSE

Motor to lateral rectus

19
Q

What is the function of cranial nerve VII?

A

Facial

SVE/GSA/GVE/SVA

Motor to muscles of facial expression, sensory from external auditory meatus and skin posterior to ear, parasympathetic motor to lacrimal submandibular and sublingual glands and mucous glands of mouth and nose, taste from anterior 2/3 of tongue

20
Q

What is the function of cranial nerve VIII?

A

Vestibulocochlear

SSA

Balance, hearing

21
Q

What is the function of cranial nerve IX

A

Glossopharyngeal

GSA/GVA/SVA/SVE/GVE

General sensation from posterior 1/3 of tongue, chemoreceptors and baroreceptors in the carotid body and also gag reflex, taste from posterior 1/3 of tongue, motor to stylopharygeus, parasympathetic to parotid gland

22
Q

What is the function of cranial nerve X?

A

Vagus

GSA/GVA/SVA/SVE/GVE

Sensory from posterior meninges, sensory from larynx trachea oesophagus, sensory from epiglottis, motor to pharyngeal muscles and intrinsic muscles of the larynx, parasympathetic to smooth muscles and glands of the pharynx larynx and thoracic and abdominal viscera, cardiac muscles (para)

23
Q

What is the function of cranial nerve XII?

A

Hypoglossal

GSE

Hypoglossus, genioglossus, sytloglossus and all intrinsic muscles of tongue

Lily BRS Neuro (8 decks)

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