NEURO 2

Question 1

Conus medullaris

Answer 1

End of spinal cord

Question 2

Dural sac

Answer 2

End of dura mater

Question 3

Cauda equina

Answer 3

Bundle of spinal nerves

Question 4

Filum terminale internum

Answer 4

Extension of pia mater

Question 5

Filum terminale externum

Answer 5

Extension of dura mater

Question 6

Lumbar tap

Answer 6

Between L4-L5, lots of CSF

Question 7

Ratio of white mater to gray matter

Answer 7

Superior to inferior, white matter decreases

Question 8

Gray matter modalities

Answer 8

General sensory afferent
General visceral afferent
General visceral efferent
General sensory efferent

Question 9

Longitudinal organization

Answer 9

Nuclei/laminae form function groups

Question 10

Nuclear groups

Answer 10

Connections

Question 11

Rexed’s laminae

Answer 11

Cyctoarchitecture

Question 12

Sensory (dorsal) horn nuclei

Answer 12

Substantia gelatinosa
Nucelus propius
Nucleus dorsalis

Question 13

Motor (ventral) horn nuclei

Answer 13

Intermediolateral cell column
Motor neuron pool

Question 14

Intermediolateral cell column

Answer 14

Visceral sensation

Question 15

Motor neuron pool

Answer 15

Alpha motor neurons
Preganglionic neurons for visceral autonomics

Question 16

Medial ventral horn

Answer 16

Proximal body

Question 17

Superior ventral horn

Answer 17

Flexors

Question 18

Inferior ventral horn

Answer 18

Extensors

Question 19

Lateral ventral horn

Answer 19

Distal body

Question 20

Longitudinal organization in spinal cord

Answer 20

Ventral medial horn, substantia gelatinosa, nucleus propius, posteromarginal nucleus - go all the way through

Question 21

White matter

Answer 21

Dorsal funiculus
Lateral funiculus
Ventral funiculus

Question 22

Vertebral artery

Answer 22

1 anterior branch and 2 posterior branch

Question 23

Veins in brain

Answer 23

No valves, anastomose with lower veins

Question 24

Spinal nerves

Answer 24

Pass through vertebral column
Split into dorsal and ventral rami

Question 25

Cervical nerves

Answer 25

8 1 extra between skull and first vertebrae

Question 26

Dermatome

Answer 26

Surface devoted to one pair of nerves, made up of multiple receptive fields

Question 27

Receptive fields

Answer 27

Area innervated by one DRG

Question 28

Motor units

Answer 28

Correlate to homonculus

Question 29

Peripheral nerve modalities

Answer 29

Somatic afferent Somatic efferent Visceral afferent Visceral efferent

Question 30

Peripheral nerves

Answer 30

31 pairs between 5 regions 8 cervical 12 thoracic 5 lumbar 5 sacral 1 coccygeal

Question 31

Plexuses

Answer 31

Segments of peripheral nerves

Question 32

Cervical plexus

Answer 32

C1-5 Motor: phrenic, ansa cervicalis Sensory: lesser occipital, greater auricular, transverse cervical, supraclavicular

Question 33

Phrenic nerve

Answer 33

Diaphragm

Question 34

Ansa cervicalis

Answer 34

Between hyoid and sternum

Question 35

Lesser occipital nerve

Answer 35

Occipital lobe

Question 36

Greater auricular nerve

Answer 36

Front of ear

Question 37

Transverse cervical nerve

Answer 37

Sternocleidomastoid

Question 38

Brachial plexus

Answer 38

C6-T2 Mix: axillary, musculocutaneous, median, radial, ulnar

Question 39

Axillary nerve

Answer 39

Deltoid

Question 40

Musculocutaneous nerve

Answer 40

Arm flexors, i.e. biceps

Question 41

Median nerve

Answer 41

Wrist/finger flexors

Question 42

Radial nerve

Answer 42

Extensors

Question 43

Ulnar nerve

Answer 43

Flexors

Question 44

Lumbar plexus

Answer 44

L1-5 Illiohypogastric, illioguinal, femoral, obturator

Question 45

Sacral plexus

Answer 45

L4-S5 Superior gluteal, inferior gluteal, pudenal, sciatic, tibial, common fibular

Question 46

Illiohypogastric nerve

Answer 46

Body wall

Question 47

Illioinguinal nerve

Answer 47

Body wall

Question 48

Femoral nerve

Answer 48

Knee flexor

Question 49

Obturator nervee

Answer 49

Thigh adductors

Question 50

Superior gluteal nerve

Answer 50

Gluteus minimus and medius

Question 51

Inferior gluteal nerve

Answer 51

Gluteus maximus

Question 52

Pudenal nerve

Answer 52

Pelvic floor

Question 53

Sciatic nerve

Answer 53

Posterior leg (ex. hamstrings)

Question 54

Tibial nerve

Answer 54

Posterior leg

Question 55

Common fibular nerve

Answer 55

Anterior and lateral leg

Question 56

Peripheral nerve contents

Answer 56

Blood vessels, CT, fibroblasts, Schwann cells, macrophages

Question 57

Peripheral neuropathies

Answer 57

Shingles

Question 58

Pain reflex

Answer 58

Recoil from noxious stimuli

Question 59

Flexor reflex

Answer 59

In response too pain, activate flexion and inhibit extension Polysynaptic

Question 60

Crossed extensor reflex

Answer 60

Opposite to flexor, active when weightbearing

Question 61

Tendon/stretch/patellar reflex

Answer 61

Monosynaptic