X Cranial Nerves Anatomy Dcom Exam2

Front 1

internal carotid artery is intracranial except for ...

Back 1

forehead

Front 2

external carotid is extracranial except for ...

Back 2

meninges

Front 3

spinal nerves have ... and ... functions, some cranial nerves are strictly ..., some are strictly ... and some are mixed

Back 3

sensory
motor
motor
sensory

Front 4

CN 2 (sensory/motor/mixed)

Back 4

sensory

Front 5

CN 6 (sensory/motor/mixed)

Back 5

motor

Front 6

CN 5 (sensory/motor/mixed)

Back 6

mixed

Front 7

which CN's have parasympathetic function

Back 7

3, 7, 9, and 10

Front 8

Lateral Rectus (eye muscle) is innervated by:

Back 8

CN6

Front 9

Superior Oblique (eye muscle) is innervated by:

Back 9

CN4

Front 10

the muscles of the eye are innervated by ... with the exception of 2 mucscles

Back 10

CN3

Front 11

identify the labeled cranial nerves by name and number:
a.
b.
c.
d.
e.

Back 11

a. cn1 olfactory
b. cn2 optic
c. cn6 abducent
d. cn4 trochlear
e. cn3 oculomotor

Front 12

identify the labeled nerve and a brief description of function:
a.
b.
c.
d.

Back 12

a. cn5 (trigeminal)- sensory face
b. cn5 (trigeminal)- muscles of mastication
c. ch7 (facial)- muscles of facial expression
d. intermediate nerve - taste ant. 2/3 tongue(sensory) and submandibular, sublingual, lacrimal glands (motor)

Front 13

identify the cranial nerves by name and number:
a.
b.
c.
d.
e.

Back 13

a. cn8 - vestibulocochlear
b. cn9 - glossopharyngeal
c. cn10 - vagus
d. cn11 - accessory
e. cn12 - hypoglossal

Front 14

identify the labeled structures/areas:
a.
b.
c.
d.
e.
identify the target tissue:
1.
2.
3.

Back 14

a. cns
b. pns
c. ganglion
d. motor neuron cell body
e. ganglion
1. skeletal muscle
2. receptors: pain/pressure/touch
3. smooth muscle

Front 15

sensory ganglia have cell bodies an (no/a) synapse. autonomic ganglia have cell
bodies and (no/a) synapse.

Back 15

no
a

Front 16

identify the directions of the nerve impulses:

Back 16

<--
-->
-->

Front 17

identify the labeled structures:
a.
b.
c.
d.
where are the cell bodies
of origin for axons at
this point?

Back 17

a. ventral root
b. dorsal root
c. dorsal root ganglion
d. sympathetic chain ganglia

Front 18

cranial nerves that have sensory function have sensory ganglia like DRGs but these ganglia are individually named. CN 5 has the ... ganglion and CN 7 has the ... ganglion

Back 18

Trigeminal
Geniculate

Front 19

sympathetic nerves come from the ... regions of the spinal cord. The preganglionic nerves are (long/short) and synapse where? the postganlionic fibers are (long/shrort)

Back 19

thoracolumbar
short
adjacent to the spinal cord
long

Front 20

parasympathetic nerves come from the ... regions of the CNS. They have (long/short) preganglionic nerves which synapse where? the postganlionic fibers are (long/shrort)

Back 20

craniosacral
long
ganglia near or on target organ
short

Front 21

what is the function of the sympathetic nervous system?

Back 21

the 4 f's
fight
flight
fear
sex

Front 22

what is the function of the parasympathetic nervous system?

Back 22

homeostasis

Front 23

identify the labeled structures:
a.
b.
c.
d.
e.
f.

Back 23

a. sympathetic postganglionic axon
b. postganglionic cell body
c. sympathetic postganglionic axon
d. paravertebral (sympathetic) ganglion
e. sympathetic preganglionic cell body
f. sympathetic preganglionic axon

Front 24

identify the labeled structures:
a.
b.
c.
d.
e.
f.
g.

Back 24

(answers on slide)

Front 25

a. T1
b. L2
The only place you will find white rami are from T1 to L2

Back 25

identify T1 and L2 ganglion:
a.
b.
what makes L2 different from L3?

Front 26

how does a differ from b?

Back 26

a has white rami while b does not. a is the rami at L2 and b is the rami at L3

Front 27

sympathetics to the head virtually all come from the ... spinal cord level

Back 27

T1

Front 28

sympathetics to the head do what to the eyelid?

Back 28

keep the eyelid open

Front 29

sympathetics to the head ... the pupil while parasympathetics ... the pupil

Back 29

dialate
constrict

Front 30

sympathetics to the head ... the blood vessels in the face

Back 30

constrict

Front 31

(sympathetics/parasympathetics) innervate the sweat glands?

Back 31

sympathetics

Front 32

what happens if you lose the sympathetics to the face? (what is this syndrome called)

Back 32

Horner’s Syndrome

Front 33

what are the symptoms of horner's syndrome:
1.
2.
3.
4.

Back 33

1. constricted pupil
2. droopy eyelid
3. red Face
4. dry Face

Front 34

what are some possible lesions for horner's syndrome?
1.
2.
3.
4.

Back 34

1. lower brachial plexus injury
2. tumor of the lung
3. problems with the carotid artery
4. whiplash

Front 35

identify the labeled structure:
a.
what is the significance of this xray?

Back 35

inferior cervical ganglion
the tumor can possibly compress the ganglion causing horner's syndrome