Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Neuroscience > 24 JULY 2019 > Flashcards

24 JULY 2019 Flashcards

1
Q

BPPV is what dx:

A

unilateral hyperfx peripheral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

BPPV is not obvious because:

A

it is positional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

unilateral hypofx peripheral is

A

neuritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

neuritis (unilateral hypofx peripheral) s/s =

A 
reduced gaze stabilization (blurry) 
postural instablitiy (unsteady)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

if you are unsteady and have a blurry vision you have

A

unilateral hypofx peripheral = neuritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

when you have dx in unilateral hypofx peripheral dx you dx what tract?

A

lateral vestibulopsinal tract = less fractionated movements = less voluntary control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

hypofunction bilateral peripheral means

A

you have no VOR at all

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

s/s of hypofx bilateral peripheral

A 
no VOR at all 
significant decrease in gaze stabilization 
oscillopsia: no visual stability 
w/head movement = eyes bounce /w  head 
- postural instability
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the big difference between hypofx bilateral and hypofx unilateral is

A 
bilateral = complete loss of gaze stabilization = oscillopsia 
unilateral = gaze instability 
both = postural instability
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

which has more vestibospinal dx?

A

hyperfx unilateral peripheral : BPPV

over hypofx unilateral peripheral - neuritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

list all the eight hundred things the cerebrum helps us with?

A 
perception 
voluntary moving 
language: nonverbal - verbal 
spatial relationship 
using visual info 
making decisions
managing emotions
remembering 
using mind-body interactions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the thalamus fx:

A

selective filter for cerebral cortex
- can turn signal up or down
direct attention to important information
- goest to three places

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

where does the thalamus send signals to for direct attention to important information

A

relay nuclei
association nuclei
non specific nuclei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the relay nuclei for the thalamus goes where?

A

the cortex

  • handles sensory system
  • basal ganglia
  • cerebellum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the association nuclei for the thalamus handles what?

A

reciprocal connections to the cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

non-specific nuclei for the thalamus handles what?

A

consciousness
arousal
attention

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

lateropulsion is

A

“contraversive pushing”

pushing syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is another name for pushing syndrome?

A

laterpulsion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

how do you get laterpulsion?

A

you don’t feel the pull of gravity in one inner ear so you feel it harder in the other ear

  • feeling it harder in one ear makes it seems like you are getting pulled in that ear so you push to the other side to correct
  • however, since there is no actual pull you end up just pushing
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

thalamic lesions include:

A
  1. loss of contralateral senstatation (propriocpetion)

2. thalamic pain (neurpathic) syndrome possible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q 
brainstem dx in the 
1. face
2. body 
3. anything roastral 
present how?
A

face - ipslateral
body - contralateral
roastral - contralateral everything

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

dencephalon means

A

everything thalamus related

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

thalamus is located where which means what?

A

the thalamus is behind part of the sensory pathway final synapse for ALL pathways

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

the thalamus if the final destination for what?

A

ALL pathways

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

name a therapy session for lateraopulsion

A

put tape on the sternum and tape on the mirror and then try to match straight up and down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

pituitary tumors affect what part of the vision tract

A

the optic chiasm which causes bitemporal hemianopsia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

a pituitary tumor would present as what in the eyes?

A

tunnel vision

bilateral hemianopsia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

if you presented with tunnel vision (bilateral hemianopsia) that might be a

A

pituitary tumor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

the pituitary secretes what two things?

A

Beta - endorphins

cortisol

30
Q

beta-endorphins are important for

A

pain relief

31
Q

cortisol comes from

A

adrenal

32
Q

HPA stands for what

A

Hypothalamus
Pituitary
Adrenal

33
Q

HPA is released if

A

homeostasis is threatened

34
Q

coma means that

A

there is no sleep /wake and no interactions with the environment

35
Q

hypothalamus overall works on

A

maintaining homeostasis:

36
Q

all the other things that the hypothalamus:

A

modulation of the autonomic system:

37
Q

what goes into maintaining homeostasis:

A

body temp
metabolic rate
blood pressure

38
Q

what goes into the modulation of the autonomic system:

A 
eating 
reproduction 
defenses 
expression fo emotion 
circadian rhythms (sleep-wake)
39
Q

the hypothalamus connects to the

A

pituitary

40
Q

outer layer of the cerebral cortex is

A

grey

41
Q

what is going on with the cerebral cortex?

A

it is folded up more cell bodies to fit into a small space

there is ALOT going on

42
Q

what directions does grey matter release from the grey matter in the cerebral cortex?

A

up/down
forward/back
side/sid

43
Q

the side to side projection comes from the

A

corpus callosum:

associates 1 lobe with another

44
Q

the corpus callosum info:

A

associates 1 lobe w/ another
contains the ventral and dorsal visual streams
are side to side projections

45
Q

the big trench at the base of the corpus callosum

A

longitudinal fissure

46
Q

the internal capsule has the

A

commissural fibers

47
Q

association fibers do what projections?

A

forward/back

48
Q

brodman’s areas:

A

areas of specialized fx

predicts the s/s of our patients when dx

49
Q

what shape are cells in the cerebral cortex:

A

pyramidal cells

50
Q

motor loop

A

selects muscle to activate dx = deactivate

51
Q

basal ganglia are located where?

A

little forward of midline so works on motor stuff

52
Q

homonymous hemianopsia occurs because of

A

a stroke

53
Q

damage to internal

capsule causes;

A

decreased voluntary control of movement (contralateral)
decreased postural control
decreased in somatosensation

54
Q

parietal

A

sensory

55
Q

temporal

A

auditory

56
Q

occipital

A

vision

57
Q

frontal

A

motor planning

58
Q

cortical areas

A

primary somatosensory
primary auditory
primary visual
vestibular

59
Q

primary somatosensory:

A

all of your conscious sensation
all pathways termination
allows you to feel
establishes characteristics of sensation

60
Q

dx in primary somatosensory

A

loses the ability to feel sensation /characteristics
tactile
conscious proprioception

61
Q

conscious = cerebral cortex which is where?

A

postcentral gyrus

62
Q

cerebellum deals with

A

unconscious

63
Q

cerebellum vs. cortex

A

cerebellum = unconscious

cerebral cortex = conscious

64
Q

list the five s/s of the vestibular nuclei:

A 
conscious awareness 
eye movements 
head movement 
posture of head and body 
nausea and vomiting
65
Q

conscious awareness structure is

A

the vestibular cortex

66
Q

eye movements structure is

A

extraocular mm

67
Q

nausea and vomiting structure is

A

reticular formation

68
Q

head movement structure is

A

superior colliculus and accessory

69
Q

posture of head and body structure is

A

cerebral cortex
reticular formation
sp cord

70
Q

conscious awareness def:

A

goes up to cerebral cortex
confirms equilibrium
head position /movement

71
Q

eye movement

A

keeps the visual world steady as we move

VOR reflex

Neuroscience (29 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions