Test 3- Peripheral Nervous System

Question 1

Respond to touch, pressure, stretch, vibrations, and itch

Answer 1

mechanoreceptors

Question 2

Respond to temperature change

Answer 2

Thermoreceptors

Question 3

Respond to chemicals in solution

Answer 3

Chemoreceptors

Question 4

Responds to light

Answer 4

Photoreceptors

Question 5

Respons to harmful stimuli that result in pain

Answer 5

Nociceptors

Question 6

Contains all the cranial nerves and all the spinal nerves

Answer 6

PNS Anatomy

Question 7

How many pairs of cranial nerves?

Answer 7

12

Question 8

Carry impulses form the PNS to the spinal cord and from the spinal cord to the PNS

Answer 8

31 Pairs of spinal nerves

Question 9

What are the two divisions of the PNS

Answer 9

Somatic nervous system

Autonomic nervous system

Question 10

Carries impulses from the CNS to the skeletal muscle and involves mostly voluntary control

Answer 10

Somatic Nervous System (SNS)

Question 11

Carries impulses from CNS to smooth muscles on organs, cardiac muscles, and glands (visceral effectors)

Answer 11

Autonomic Nervous System (ANS)

Question 12

Cranial Nerve I

Answer 12

Olfactory nerve

Question 13

Cranial Nerve II

Answer 13

Optic Nerve

Question 14

Cranial Nerve III

Answer 14

Oculomotor Nerve

Question 15

Motor nerve that innervates four of the extrinsic eye muscles

Answer 15

Oculomotor Nerve

Question 16

Cranial Nerve IV

Answer 16

Trochlear

Question 17

Motor nerve that innervates one of the extrinsic eye muscles

Answer 17

Trochlear

Question 18

Cranial nerve V

Answer 18

Trigeminal

Question 19

Has 3 branches, providing sensory innervation from the face and motor innervation to the chewing muscles (mixed nerve)

Answer 19

Trigeminal

Question 20

Cranial nerve VI

Answer 20

Abducens

Question 21

Motor nerve that innervates the muscle that abducts the eyeball

Answer 21

Abducens

Question 22

Cranial nerve VII

Answer 22

Facial

Question 23

Mixed nerve that innervates the muscles of facial expression

Answer 23

Facial

Question 24

Sensory from taste buds on anterior tongue

Answer 24

Facial nerve

Question 25

Paralysis of facial muscles on affected side

Answer 25

Bell's palsy

Question 26

Cranial nerve VIII

Answer 26

Vestibulocochlear/ Auditory

Question 27

Sensory nerve of hearing, balance

Answer 27

Auditory

Question 28

Cranial Nerve IX

Answer 28

Glossopharyngeal

Question 29

Mixed nerve providing sensory information from posterior tongue, motor information and parotid gland

Answer 29

Glossopharyngeal

Question 30

Cranial Nerve X Vagus

Answer 30

Mixed nerve providing sensory information from the thoracic and abdominal viscera as well as motor information to the muscles of the pharynx and larynx

Question 31

Cranial nerve XI

Answer 31

Sinal accessory

Question 32

Provides motor information to the trapezius and sternocleidomastoid

Answer 32

Sinal Accessory

Question 33

Cranial nerve XIII

Answer 33

Hypoglossal

Question 34

Provides motor information to the muscle of the tongue

Answer 34

Hypoglossal

Question 35

31 pairs of spinal nerves

Answer 35

``` 8 cervical 12 thoracic 5 lumbar 5 sacral 1 coccygeal ```

Question 36

Formed by ventral rami of C1-C4

Answer 36

cervical plexus and innervation of the neck

Question 37

Innervates the diaphragm, stimulating respiration

Answer 37

phrenic

Question 38

Lies in the neck and axilla

Answer 38

Brachial plexus

Question 39

Formed from ventral rami of C5-C8

Answer 39

Brachial plexus

Question 40

Travels between and innervates bicep brachia and brachialis

Answer 40

Musculocutaneous nerve

Question 41

Innervates most muscles of the anterior forearm and lateral palm

Answer 41

Median nerve

Question 42

Innervates the flexor carpi ulnas and flexor digitorum profundus, as well as the intrinsic hand muscles

Answer 42

Ulnar nerve

Question 43

Innervates deltoid and teres minor

Answer 43

Axillary nerve

Question 44

Innervates almost all of the posterior sides of the upper limb

Answer 44

Radial nerve

Question 45

Arises from L1-L4 nerves

Answer 45

Lumbar plexus

Question 46

Innervates the anterior thigh

Answer 46

Femoral nerve

Question 47

Passes through the obturator foramen and innervates the adductor muscles

Answer 47

Obturator nerve

Question 48

Arises from L4-S4

Answer 48

Sacral plexus

Question 49

Thickest and longest nerve in the body, supplies all of the lower limb except for the anterior and medial thigh

Answer 49

Sciatic nerve

Question 50

Travels through popliteal fossa

Answer 50

tibial nerve

Question 51

Hilton's Law

Answer 51

Any nerve that innervates a muscle producing movement at a joint also innervates the joint itself

Question 52

The area of skin innervated by the cutaneous branch from a single spinal nerve

Answer 52

Dermatone

Question 53

Re-occurrance of chicken pox that only appears along a dermatone

Answer 53

Shingles