10th EVALS 2018 Flashcards Preview

ANATOMY > 10th EVALS 2018 > Flashcards

Flashcards in 10th EVALS 2018 Deck (77)
1

Mesencephalon

Midbrain

2

gray mater. cell bodies or myelin sheath?

cell bodies

3

white mater. cell bodies or myelin sheath?

myelin sheath

4

involuntary and instantaneous

reflex

5

12 pairs arising from the spinal cord

cranial nerves

6

31 pairs arising from the spinal cord

spinal nerves

7

gray mater of cerebral cortex where?

periphery

8

gray mater of spinal cord where?

core

9

white mater of cerebral cortex where?

core

10

white mater of spinal cord where?

periphery

11

ganglia

collection of cell bodies INSIDE CNS sharing a common function

12

nuclei

collection of cell bodies INSIDE CNS sharing a common function

13

from external environment

exteroceptive sensation

14

reflex arc

sensory arm, motor arm, interneuron

15

CNS

cerebrum, brainstem, cerebellum, spinal cord

16

prevents horizontal displacement

denticulate ligament

17

prevents vertical displacement

filum terminale

18

dural reflections are formed by...

meningeal dura

19

middle meningeal artery enters cavity through

foramen spinosum

20

middle meningeal artery lies between

2 dural layers - endosteal and meningeal

21

middle meningeal artery is a branch of...

maxillary artery

22

dural layers that form an actual space

arachnoid membrane and pia mater (subarachnoid space)

23

potential spaces

subdural space and epidural space

24

lentiform/biconvex/lenticular shaped hematoma bleeding where?

epidural space

25

moon crescent shaped hematoma

subdural

26

hematoma conforming with the brain shape

subarachnoid

27

leptomeninx

arachnoid + pia

28

pachymeninx

dura mater

29

3rd ventricle found where

between the hypothalamus

30

traverses the tegmentum of the midbrain

cerebral aqueduct of sylvius
--connects 3rd and 4th ventricles

31

derived from plasma and fills the ventricles

CSF

32

dilated portion of subarachnoid space located anterior to pontomedullary junction

prepontine cistern

33

expanded portion of arachnoid space named after structures adjacent to them

cisterns

34

surrounded by subarachnoid space: spinal cord, brain, intracranial part of cranial nerves, intravertebral part of spinal nerves?

ALL

35

arises from vertebral artery

posterior inferior cerebral artery (PICA),
posterior spinal artery (PSA),
anterior spinal artery ,
medullary artery,
basilar artery

36

blood supply of the insular lobe

middle cerebral artery

37

middle cerebral artery

Largest branch of ICA
o Runs laterally passing through the Lateral Sylvian
Sulcus
o Territorial Supply:
• Lateral Frontal Lobe
• Lateral Parietal Lobe
• Anterior Temporal Area
• Insula
• Lentiform and Caudate Nuclei
• Internal Capsule

38

territorial supply of anterior cerebral artery

• Medial Portion of the frontal lobe
• Superior Medial Parietal Lobe
• Lentiform Nucleus
• Caudate Nucleus
• Internal Capsule

39

posterior cerebral artery

o Inferolateral and Medial Surface of the Temporal Lobe
o Occcipital Lobe

40

confluence of sinuses =

straight + superior + occipital

41

straight sinus =

superior sagittal + inferior sagittal

42

drains the insular lobe

deep middle cerebral vein

43

drains in the superior sagittal sinus

superior cerebral vein

44

drains into the cavernous sinus

superficial middle cerebral vein

45

empty in the Great Cerebral Vein of Galen

basal vein of rosenthal

46

sensory homonculus

bigger lips

47

motor homonculus

bigger face and hands

48

area 32 & 33

anterior cingulate cortex
hypostimulation: low attention span
hyperstimulation: ADHD

49

hemineglect can be seen among patients with lesion affecting

right primary somatosensory area

50

lesion on right area 312 will result in

sensory deficit on the left upper extremity

51

gyrus surrounding the parieto-occipital fissure

primary visual cortex

52

axons from ventral posterolateral nucleus of the thalamus will project to what part of the cerebral cortex

area 312

53

anterior hypothalamus

lowers body temp

54

posterior hypothalamus

increases body temp

55

VPL

pain or temp, neck below

56

VPM

head and neck and taste

57

VPL connections - afferent:

Medial and Spinal Lemniscus (tracts in the brainstem carrying

58

VPM connections - afferent:

Afferent – Trigeminal Lemniscus,
Gustatory fibers

59

damage to the subthalamic nucleus will result to a condition known as

hemiballismus of the CONTRALATERAL side

60

separates the medial and lateral groups of hypothalamic nuclei

mamilothalamic tract; fornix

61

controls the sleep wake cycle

suprachiasmatic hypothalamic nuclei

62

oxytocin is expressed by which hypothalamic nuclei

paraventricular

63

antidiuretic is expressed by which hypothalamic nuclei

supraoptic

64

defining anatomical feature of caudal midbrain

inferior colliculus

65

defining anatomical feature of the rostral medulla

olive

66

brainstem nuclei that receive general somatic afferent information

mesencephalic nucleus of CN V

67

has both somatic motor and parasympathetic components

occulomotor nerve

68

principal site at which integration of sensory info regarding the cardiovascular and respiratory system is located

nucleus solitarius

69

occulomotor nerve

-axons terminate in the levator palpebrae superioris
-axons terminate in the medial rectus muscle
-lesion results in double vision when the ipsilateral eyelid is raised
-axons travel through the cavernous sinus

70

diplopia is always present except when ask to gaze to the contralateral side of the lesion

abducens

71

right hypoglossal nerve

tongue will deviate towards the right

72

nucleus tractus is shared by these cranial nerves

VII, IX, X

73

dorsal motor nucleus is shared by which CN

CN X

74

damage to the right edinger westphal nucleus will result in

loss of direct and consensual light reflex on right eye

75

corneal reflex controlled by

trigeminal and facial nerves

76

trigeminal nerve

the main motor nuclei of CN V is located in rostral pons

77

lesion involving the facial nerve distal to its exit to stylomastoid foramen will result in...

ipsilateral facial paralysis, both upper and lower quadrant.