NEURO 2

Question 1

What makes up the brachial plexus?

Answer 1

The anterior rami of C5-T1

Question 2

Where do the trucks arise?

Answer 2

Inferior shoulder / arm

Question 3

Where do the brachial plexus arise?

Answer 3

Anterior and middle scale by the gap and the subclavian artery

Question 4

What makes up the lumbar spine?

Answer 4

L1-L4

Question 5

Where does it rise from?

Answer 5

The superficial and deep psoas major and anterior QL

Question 6

Where do most nerves if the sacral plexus arise from?

Answer 6

Greater sciatic foramen

Question 7

Where does it arise from?

Answer 7

Posterior pelvic wall

Question 8

femoral nerve

Answer 8

Origin: L2-L4
Pathway: lateral femoral triangle to the anterior thigh by the inguinal ligament
Innverates: iliacus, hip flexors, knee extenders

Question 9

Saphenous nerve

Answer 9

Origin: femoral nerve
Pathway: femoral triangle to adductor output down medial leg
Innervates: medial ankle / foot to the 1st MT

Question 10

Radial nerve

Answer 10

Origin: C5-T1
Pathway: axillary fossa posteriorly to the Artery, down radial groove of humerus between lateral and medial heads of triceps, to cubical fossa and breaks into its superficial and deep nerve branch
Innervates: all posterior muscles of arm (detail) and the posterior skin of arm, infrolateral skin, and proximal 3 1/2 digits with for sun hand

Question 11

Ulnar nerve

Answer 11

Origin: C8-T1
Pathway: medial Adam to posterior medical epicondyle to cubical tunnel past guysn tunnel and to medial Hand
Innervates: medial hand and 1 1/2 medial digits. Flexor digitorum ulnaris and ulnar side of flexor digitorum proundus and hand muscles

Question 12

Sciatic nerve

Answer 12

Origin: L4-S3
Pathway: greater sciatic foramen to piriformus into glut. Region, down through biceps femoris, to popliteu fossa of knee
Innervates: hamstrings (mostly) and all muscles of the leg minus quads and hip joint

Question 13

Pudendal nerve

Answer 13

Origin: S2-S4
Pathway: greater sciatic foramen to piriformus and coccyx, around the Ischial spine out the lesser pelvis
Innervates: perineum, external genitalia

Question 14

Obturator nerve

Answer 14

Origin: L2-L4
Pathway: medial femoral triangle to the superior pelvis down pubic ramus and out the lessor pelvis
Innervates: adductors

Question 15

Superficial fibular nerve

Answer 15

Origin: common fibulae nerve
Pathway: around head of fibula and neck of fibula, down along the lateral leg to the digit 3 to become subcutaneous
Innervates: fib. Longus and brevis, anterior 3rd of lower leg

Question 16

Deep fibular nerve

Answer 16

Origin: common fibular
Pathway: head of fibula and neck, down along extensor digitorum and interosseous membrane to the dorsum foot.
Innervates: anterior leg muscles and 1st cleft of digits with joints across it

Question 17

Intercostobrachial nerve

Answer 17

Supplies axilla and medial arm

Question 18

Inferior lateral cutaneous nerve

Answer 18

Supplies Inferior distal arm

Question 19

Superior lateral cutaneous nerve of arm

Answer 19

Supplies mid arm and lower deltoid muscle

Question 20

Medial branch of median nerve

Answer 20

Supplies the 2-4 digits

Question 21

Lateral branch of median nerve

Answer 21

Supplies medial skin of palm and the thumb surface and medial 2nd digit

Question 22

Superficial branch of ulnar nerve

Answer 22

Supplies palm of skin and distal dorsal surface of digit 5 and medial 4th

Question 23

Dorsal branch of ulnar nerve

Answer 23

Supplies dorsum hand and proximal 5th digit and medial 4th digit

Question 24

What are the four arising nerves of the lumbar plexus?

Answer 24

Llioguinal and iilohypogastirc
Gentiofemoral
Lateral cutaneous
Anterior cutaneous

Question 25

What are the three gluteal nerves that arise from the plexus?

Answer 25

Superior clunial ( passed inferolateral iliac crest and supplies the superior glutes to the tube rack of iliac crest ) Middle clunial ( passes posterior sacral foramina and lateral gluts suppling the adjacent butt and sacrum ) Inferior clunial ( passed through lateral glut max and supplies inferior gluts to the greater trochanter )

Question 26

Sural nerve

Answer 26

From common fibula and tibial nerve Supplies hind foot and mid foot

Question 27

Calcaneal branches

Answer 27

Supplies heel of foot from the sural and tibial nerve

Question 28

Deep fibular (sensory) nerve

Answer 28

Supplies extensor digitorum brevis and sides of lateral 1-2

Question 29

What are the three trunks

Answer 29

Superior Middle Inferior

Question 30

What are the divisions

Answer 30

Anterior Posterior

Question 31

What are the cords

Answer 31

Lateral Posterior Median

Question 32

Long thoracic

Answer 32

Serrtus anterior

Question 33

What nerve passes through the carpol tunnel

Answer 33

Median

Question 34

What nerve innervates the ulnar side of flexor digitorum profundus

Answer 34

Ulnar nerve

Question 35

What nerve passes through the guysn tunnel

Answer 35

Ulnar nerve

Question 36

Dorsal scapular

Answer 36

Rhomboids

Question 37

Suprascapular

Answer 37

Supraspinatus Infrasinatus GH

Question 38

What part of the hand does the radian nerve innervate

Answer 38

dorsum hand and proximal digits of lateral 3 1/2

Question 39

What area of the hand does the median nerve supply

Answer 39

Palm and Palmer and distal dorsal surface of later 3 1/2 digits

Question 40

What nerve passes the inguinal ligament

Answer 40

Femoral nerve of lumbar plexus

Question 41

What two branches make up the sciatic nerve

Answer 41

Tibial nerve Common fibular nerve

Question 42

What innervates the hip joint

Answer 42

sciatic nerve

Question 43

What innervates the anterior muscles of the Lowe leg (extensors)

Answer 43

Deep fibular

Question 44

Axillary nerve

Answer 44

Origin: C5-C6 Pathway: posterior axilla fossa to the superior lateral brachial nerve and to the deltoid tuberosity Innervates: deltoid and teres minor. Skin of supraolateral arm

Question 45

Lumbo sacral trunk

Answer 45

Origin: L4-L5 Pathway: starts sacral plexus

Question 46

Saphenous is a branch of what nerve

Answer 46

Femoral nerve

Question 47

What innervates the plantar surfaces of the foot

Answer 47

Medial and lateral plantar