Brainscape's Knowledge GenomeTM

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


See full index

-Neuro > Cranial Nerves: Functions, Exits and Reflexes > Flashcards

Cranial Nerves: Functions, Exits and Reflexes Flashcards

1
Q

What nerves/arteries exit through the:

Cribriform plate

A

CN I (olfactory)

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

What nerves/arteries exit through the:

Optic Canal

A 
CN II (optic)
Ophthalmic artery (internal carotid branch)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What nerves/arteries exit through the:

Superior orbital fissure

A 
CN III (occulomotor)
CN IV (trochlear)
CN VI (abducens)
CN V1 ( Trigeminal- opthalmic)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What nerves/arteries exit through the:

Foramen Rotundum

A

CN V2 (trigeminal- Maxillary)

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

What nerves/arteries exit through the:

Foramen Ovale

A

CN V3 (trigeminal- Mandibular)

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

What nerves/arteries exit through the:

Foramen Spinosum

A

Middle Meningeal artery

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

What nerves/arteries exit through the:

Internal Auditory Meatus

A 
CN VII (facial)
CN VIII (vestibulocochlear)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What nerves/arteries exit through the:

Jugular Foramen

A 
CN IX (Glossopharyngeal)
CN X (Vagus)
CN XI (Accessory)
Jugular vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What nerves/arteries exit through the:

hypoglossal canal

A

CN XII (Hypoglossal canal)

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

What nerves/arteries exit through the:

Foramen Magnum

A

Brain stem
Spinal root of XI (accessory)
Vertebral arteries

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

What is the type (S/M/B) and function of:

CN I: Olfactory

A

Sensory

Smell (only CN w/o thalamic relay to cortex)

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

What is the type (S/M/B) and function of:

CN II: Optic

A

Sensory

Sight

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

What is the type (S/M/B) and function of:

CN III: Oculomotor

A 
Motor
Eye movement (SR,IR,MR,IO)
Pupillary constriction (sphincter pupillae: edinger westphal nucleus, MUSCarinic receptors) 
Accommodation
Eyelid opening (levator palpebrae)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the type (S/M/B) and function of:

CN IV: Trochlear

A 
Motor
Eye Movement (SO)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the type (S/M/B) and function of:

CN V: Trigeminal

A

Both
Mastication
Facial sensation (opthalmic, max, mand)
Somatosensation from anterior 2/3 tongue

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

What is the type (S/M/B) and function of:

CN VI: Abducens

A 
Motor
Eye movement (LR)
17
Q

What is the type (S/M/B) and function of:

CN VII: Facial

A

Both
Facial movement
TASTE from ant 2/3 of tongue (chorda tympani)
Lacrimation
Salivation (Submandibular and sublingual)
Eyelid CLOSING (orbicularis oculi)
Auditory volume modulation (stapedius)

18
Q

What is the type (S/M/B) and function of:

CN VIII: Vestibulocochlear

A

Sensory
Hearing
Balance

19
Q

What is the type (S/M/B) and function of:

CN IX: Glossopharyngeal

A

Both
Taste and sensation of post 1/3 of tongue
Swallowing
Salivation (PAROTID gland)
Monitoring carotid body and sinus chemo and baroreceptors
Elevation of pharynx/larynx (stylopharyngeus)

20
Q

What is the type (S/M/B) and function of:

CN X: Vagus

A 
Both
Taste from supraglottic region
Swallowing
Soft palate elevation
Midline uvula
talking
Cough reflex
Parasympathetics to thoracoabdominal viscera
monitoring aortic arch chemo and baroreceptors
21
Q

What is the type (S/M/B) and function of:

CN XI: Accessory

A

Motor

Head turning and shoulder shrugging (SCM and trapezius)

22
Q

What is the type (S/M/B) and function of:

CN XII: Hypoglossal

A

Motor

Tongue movement

23
Q

What is the Function of the Nucleus solitarius and what CN are involved with it?

A

CN: VII, IX, X

Visceral sensory information (taste, baroreceptors, gut distention)

24
Q

What is the Function of the Nucleus ambiguus and what CN are involved with it?

A

CN: IX, X, XI (cranial portion)

Motor innervation of pharynx, larynx, upper esophagus (swallowing, palate elevation)

25
Q

What is the Function of the Dorsal Motor Nucleus and what CN are involved with it?

A 
CN: X
Sends autonomic (parasympathetic) fibers to the heart, lungs, and upper GI
26
Q

Name the Afferent and Efferent branch of:

The Corneal Reflex

A

Afferent:
CN V1 Ophthalmic (nasociliary branch)

Efferent:
Bilateral CN VII (temporal branch: orbicularis oculi)

27
Q

Name the Afferent and Efferent branch of:

The Lacrimation Reflex

A 
Afferent:
CN V1 (loss of reflex does not preclude emotional tears)

Efferent:
CN VII

28
Q

Name the Afferent and Efferent branch of:

The Jaw Jerk Reflex

A 
Afferent:
CN V3 (sensory-muscle spindle from masseter)
Efferent:
CN V3 (motor- masseter)
29
Q

Name the Afferent and Efferent branch of:

The Pupillary Reflex

A

Afferent:
CN II

Efferent:
CN III

30
Q

Name the Afferent and Efferent branch of:

The Gag Reflex

A

Afferent:
CN IX

Efferent:
CN X

31
Q

How many pairs of spinal nerves are there total and what is the distribution

A 
31 pairs in total
8 Cervical (all exit above: C8 above T1)
12 Thoracic (all below)
5 Lumbar
5 Sacral
1 Coccygeal
32
Q

Where does the spinal cord end on adults and where do you do a lumbar puncture?

A

Spinal cord ends: L1-L2 lower border

Do lumbar puncture: L3-L4 or L4-L5 (level of cauda equina) (use illiac crest as guide)

-Neuro (16 decks)

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