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Flashcards in Cranial Nerves Deck (142)
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1

Number of Cranial Nerves

12 Paired CN

2

Two fibers of the Nerves

Sensory and Motor

3

If ask what CN innervates this muscle refers to?
a. Sensory
b. Motor

Motor

4

AKA

S. A. M. E

Sensory=Afferent
Motor = Efferent

5

What are the 12 paired CN?

1.Olfactory
2.Optic
3.Oculomotor
4.Trochlear
5.Trigeminal
6.Abducens
7.Facial
8.Auditory/Vestibulocochlear
9.Glossopharyngeal
10.Vagus
11.Accessory
12.Hypoglossal

6

Foramen exit of CN 1

Cribriform plate of Ethmoid bone

7

Olfactory
a. Sensory
b. Motor

Sensory:Smell

8

Receptor Cell of CN1

Olfactorants

9

Ethmoid bone is usually found?

Posterior to the nose

10

Optic refers to?

Vision

11

Foramen exit of CN2

Optic Canal of Sphenoid bone

12

CN2 receptor cells

Rods and Cones

13

Rods is to ____
Cones is to ____

Night time
Daytime/Colors

14

CN2 receptor cells are found which part of the eye?

Retina

15

If ask which receptor cell of CN2 is deficient in person with color blindness?

Cones

16

Artery that exits in optic canal

Opthalmic artery

17

If ask what structures are affected if optic canal is damage from trauma?

Optic Nerve
Opthalmic artery

18

Optic is purely?

Sensory:Vision

19

Oculo=
Motor=

Eye Muscles/movement

20

Foramen exit of CN3

Superior Orbital Fissure of sphenoid bone

21

Oculomotor is purely?

Motor

22

SO4 LR6 R3

Superior Oblique muscle- CN 4
Lateral Rectus M.- CN6
Rest of the eye muscles are innervated by CN3

23

Parasympathetic of CN3

Sphincter pupillae and ciliary lens

24

If ask where is the specific location of SOF?

junction/demarcation of greater and lesser wings of sphenoid bone

25

Bat-wings shape

Sphenoid bone

26

What does Parasympathetic means?

Balance

27

Foramen exit of CN4

SOF

28

Foramen exit of CN6

SOF

29

Structures that exits in SOF

CN3, 4, 6, opthalmic branch of CN5 and opthalmic vein

30

Largest cranial nerve of head and neck

Trigeminal Nerve or CN5