Anatomy And Physiology__Pns

Front 1

Largest Cranial Nerve

Back 1

Trigeminal (V)

Front 2

Chief motor nerves of the face with 5 major branches

Back 2

Facial (VII)

Front 3

Innervates part of the tongue and pharynx for swallowing, and provides parasympathetic fibers to the parotid salivary glands

Back 3

Glossopharyngeal (IX)

Front 4

Cranial Nerve leave skull via

Back 4

Optic Foramen

Front 5

What has cranial and spinal root?

Back 5

Accessory (XI)

Front 6

Arises from the olfactory receptor cells of the nasal cavity

Back 6

Oflactory (I)

Front 7

Rootlets pass into the cranium via each foramen magnum

Back 7

Accessory XI

Front 8

Sensory fibers carry impulses from taste buds of epiglottis and pharynx

Back 8

Vagus X

Front 9

Passes through the cribiform plate of the ethmoid bone

Back 9

Olfactory (I)

Front 10

Innervates the superior oblique muscle

Back 10

Trochlear IV

Front 11

Carries afferent fibers from the hearing and equilibrium receptors

Back 11

Vestibulocochlear VIII

Front 12

Innervates extrinsic and intrinsic muscles of the tongue that contribute to swallowing and speech

Back 12

Hypoglossal XII

Front 13

The only cranial nerves that extend beyond the head and neck region

Back 13

Vagus X

Front 14

Carries taste fibers from the anterior two-thirds of the tongue

Back 14

Facial VII

Front 15

fibers conduct taste and general sensory impulses (touch) from the pharynx and posterior tongue

Back 15

Glossopharyngeal IX

Front 16

Most motor fibers are parasympathetic fibers that help regulate the activities of the heart, lungs, and abdominal viscera

Back 16

Vagus X

Front 17

Formed from ventral rootlets from the C1 to C5 region of the spinal cord

Back 17

Accessory XI

Front 18

Exits the skull via the hypoglossal canal

NOT ON QUIZ

Back 18

Hypoglossal XII

Front 19

Purely sensory (visual) function

Back 19

Optic II

Front 20

Fibers extend from the ventral midbrain through the superior orbital fissures to four extrinsic eye muscles

Back 20

Oculomotor III

Front 21

Purely sensory (olfactory) function

Back 21

Olfactory I

Front 22

Has three divisions

Back 22

Trigeminal V

Front 23

Innervates the lateral rectus muscle

Back 23

Abducens VI

Front 24

The mandibular nerve is one of its divisions

Back 24

Trigeminal V

Front 25

Motor functions include facial expressions

Back 25

Facial VII

Front 26

Sensory fibers carry impulses from thoracic and abdominal viscera

Back 26

Vagus X

Front 27

Innervates the trapezius and sternocleidomastoid muscles

Back 27

Accessory XI

Front 28

Conveys sensory impulses from various areas of the face

Back 28

Trigeminal V

Front 29

Constricts the iris and controls the lens shape

Back 29

Oculomotor III

Front 30

Supplies motor functions for mastication

Back 30

Trigeminal V

Front 31

Relays parasympathetic impulses to lacrimal and salivary glands

Back 31

Facial VII

Front 32

Carries impulses from carotid and chemoreceptors and barorecptors

Back 32

Glossopharyngeal IX

Front 33

Name the cranial nerves that supply the extrinsic eye muscles

Back 33

Oculomotor III
Trochlear IV
Abducens VI

Front 34

Name the three cranial nerves that carry taste signals

Back 34

Facial Nerve VII
Glossopharyngeal IX
Vagus X

Front 35

Name three branches of the trigeminal nerve

Back 35

Ophthalmic V1
Maxillary V2
Mandibular V3

Front 36

2/3 of tongue for touch

Back 36

Trigeminal Nerve V

Front 37

Taste and touch to posterior 1/3 of tongue

Back 37

Glossopharyngeal IX

Front 38

There are how many pairs of spinal nerves

Back 38

31

Front 39

How many cervical nerves

Back 39

8

Front 40

How many coccygeal nerves

Back 40

1

Front 41

Each spinal nerve connects to what one main part

Back 41

Spinal cord

Front 42

The spinal nerves connects to the spinal cord via what two roots

Back 42

Ventral and Dorsal roots

Front 43

The ventral root contains which type of fibers

Back 43

Motor/efferent fibers

Front 44

Where does the motor/efferent fibers come from?

Back 44

Ventral Horn Motor neurons

Front 45

Ventral Horn Motor neuron innervate what muscles

Back 45

Skeletal

Front 46

The Dorsal root contains which type of fibers?

Back 46

Sensory/afferent fibers

Front 47

Where does the sensory/afferent fibers come from?

Back 47

Sensory Neurons in the Dorsal Root Ganglion

Front 48

Name the five components of a reflex arc.

Back 48

Receptor==>Sensory Neuron==>Integration Center==> Motor Neuron==>Effector

Front 49

What are the two basic types of reflexes?

Back 49

Learned and Inborn

Front 50

________ _________exit the canal via intervertebral foramina

Back 50

Spinal Nerves

Front 51

Thoracic Nerves are also known as

Back 51

Intercostal Nerves

Front 52

Spinal Cord Segments

Back 52

Cervical, Thoracic, Lumbar, Sacral

Front 53

Define: Dermatome

Back 53

Area of skin supplied by a single spinal cord level

Front 54

What's in a nerve?

Back 54

Bundles of Fascicle

Front 55

Which 4 cranial nerves carry parasympathetic fibers and what do they innervate?

Back 55

III Oculomotor (Innervates sphincter papillae)
VII Facial (Innervates the Lacrimal Gland)
IX Glossopharyngeal (innervates parotid salivary gland)
X Vagus (innervates muscles of speech)
(1973)

Front 56

King Vagus===>Only cranial nerve to______________________?

Back 56

Leave the head/neck area

Front 57

Vagus nerve (X) carries 90% of all

Back 57

Parasympathetic fibers

Front 58

Autonomics provide motor to

Back 58

Glands
Smooth muscle
Cardiac muscle (indirectly/involuntary)