Nerves and Blood Vessels

Question 1

Spinal nerves are named after

Answer 1

the vertebra they exit from (exception: cervical/neck)

Question 2

Afferent nerves are contained in

Answer 2

Ganglion

Question 3

Efferent nerves are contained in

Answer 3

Spinal Cord

Question 4

Afferent nerves are ___ and they ___

Answer 4

-sensory
-bring information IN to the CNS

Question 5

Efferent nerves are ___ and they ____

Answer 5

-motor
-bring information OUT of the CNS

Question 6

Nerves exit through ____ via ____

Answer 6

Adjacent vertebra via Intervertebral Discs

Question 7

Spinal nerves to each limb forms a

Answer 7

Plexus

Question 8

Brachial Plexus is located in the

Answer 8

Front limbs

Question 9

Dorsal branch of nerves goes to

Answer 9

muscle/skin above the vertebrae

Question 10

Sacral Plexus is located in the

Answer 10

Hind limbs

Question 11

Ventral branch of nerves

Answer 11

branches laterally to innervate rest of body

Question 12

Brachial Plexus nerves include (5)

Answer 12

-Suprascapular
-Musculocutaneous
-Radial
-Median
-Ulnar

Question 13

Suprascapular nerve innervates (2)

Answer 13

-supraspinatus m.
-Infraspinatus m.

Question 14

Musculocutaneous nerve innervates (2)

Answer 14

-Biceps brachii m.
-Brachialis m.

Question 15

Radial nerve innervates (7)

Answer 15

-Triceps brachii
-Extensor Carpi Radialis
-Ulnaris Lateralis
-Common Digital Extensor
-Lateral Digital Extensor
-Supinator
-Abductor Pollicis Longus

Question 16

Median nerve innervates (4)

Answer 16

-Flexor Carpi Radialis
-Pronator Teres
-Superficial Digital Flexor
-Deep Digital Flexor

Question 17

Ulnar nerve innervates (2)

Answer 17

-Flexor Carpi Ulnaris
-Deep Digital Flexor

Question 18

Deep Digital Flexor is innervated by the

Answer 18

Median AND Ulnar nerve

Question 19

Limb nerves are most often found

Answer 19

on the medial side or deep to the muscles, where they are protected

Question 20

Which nerve innervates the dorsal muscle mass extensors

Answer 20

Radial

Question 21

Which nerve innervates the ventral muscle mass

Answer 21

Musculocutaneous

Question 22

Which nerve innervates the ventral muscle mass on the lateral side

Answer 22

Ulnar

Question 23

Which nerve innervates the ventral muscle mass flexors

Answer 23

Median

Question 24

The main stem artery of the forelimb becomes

Answer 24

Axillary artery –> Brachial artery –> Median artery

Question 25

Which artery feeds from the shoulder to elbow

Answer 25

Brachial Artery

Question 26

Which artery feeds from the elbow down

Answer 26

Median Artery

Question 27

Two branches of the Axillary Artery are

Answer 27

-Subscapular
-Thoracodorsal

Question 28

Veins of forelimb order:

Answer 28

Median vein –> Brachial vein –> Axillary vein

Question 29

Important vein of the front limb

Answer 29

Cephalic vein

Question 30

Three main nerves of the hindlimb

Answer 30

-Femoral
-Obturator
-Sciatic

Question 31

Sciatic nerve branches into

Answer 31

-Peroneal
-Tibial

Question 32

Femoral nerve innervates (3)

Answer 32

-Iliopsoas (Iliacus and Psoas Major)
-Sartorius*
-Quadriceps (rectus femoris, lateral vastus, medial vastus, intermediate vastus)

Question 33

Cranial muscles of the thigh are innervated by the

Answer 33

Femoral Nerve

Question 34

Medial adductor muscles are innervated by the

Answer 34

Obturator Nerve

Question 35

Obturator nerve innervates (4)

Answer 35

-Adductor
-Gracilias
-Pectineus*
-External Obturator*

Question 36

Sciatic nerve innervates (2)

Answer 36

-Internal Obturator
-Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus)

Question 37

Peroneal and Tibial nerves are branches of the

Answer 37

Sciatic nerve

Question 38

Cranial muscles below the stifle are innervated by the

Answer 38

Peroneal Nerve

Question 39

The Peroneal Nerve innervates (4)

Answer 39

-Cranial Tibial
-Long Digital Extensor
-Lateral Digital Extensor*
-Peroneous Longus*

Question 40

Caudal muscles below the stifle are innervated by the

Answer 40

Tibial Nerve

Question 41

The Tibial nerve innervates (4)

Answer 41

-Gastrocnemius
-Superficial Digital Flexor
-Deep Digital Flexor
-Popliteus*

Question 42

The Saphenous nerve is (3)

Answer 42

-on the medial side of the hind limb
-sensory nerve
-a continuation of the Femoral nerve

Question 43

Dorsal cutaneous nerves of the fore and hindlimb

Answer 43

Forelimb: Radial nerve
Hindlimb: Peroneal nerve

Question 44

Palmer cutaneous nerves (2)

Answer 44

-Median nerve
-Ulnar nerve

Question 45

Plantar cutaneous nerve

Answer 45

Tibial nerve

Question 46

Medial cutaneous nerve of the hindlimb

Answer 46

Saphenous nerve

Question 47

Main stem artery of the hindlimb becomes

Answer 47

External Iliac –> Femoral –> Popliteal –> Cranial Tibial

Question 48

The External Iliac artery (2)

Answer 48

-is an abdominal artery
-leaves abdomen via Femoral Ring and becomes the Femoral Artery

Question 49

Main branch of the Femoral Artery

Answer 49

Saphenous

Question 50

Common site for taking pulse of small animals

Answer 50

Femoral Artery

Question 51

The Femoral Artery: (2)

Answer 51

-starts at the Femoral Ring
-runs along the medial surface of the inner thigh between Sartorius and Pectineus muscles

Question 52

Which two arteries supply the hind paw

Answer 52

-saphenous
-cranial tibial

Question 53

The Saphenous Artery has two parts:

Answer 53

-cranial
-caudal

Question 54

Veins of the hind limb order:

Answer 54

Cranial Tibial –> Popliteal –> Femoral –> External Iliac –> Caudal Vena Cava