CH04: Movement and Posture Flashcards

1
Q

caudate nucleus + putamen

A

STRIATIUM

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2
Q

main receptive part of the basal ganglia

A

PUTAMEN

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3
Q

(2) output nuclei of the basal ganglia

A

MEDIAL PALLIDUM + PARS RETICULATA

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4
Q

sample of drug that can induce Parkinsonism

A

Phenotiazine

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5
Q

most pervasive role neurotransmitter but can act as excitatory or inhibitory

A

Dopamine

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6
Q

areas with richest dopamine

A

(1) Cell bodies of Pars Compacta (2) Termination fibers in Striatum

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7
Q

Location D1 and D2 receptors

A

STRIATIUM

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8
Q

Location D3 receptor

A

Nucleus accumbens

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9
Q

Location D4 receptor

A

Frontal cortex, limbic structures

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10
Q

Location D5 receptor

A

Hippocampus and limbic system

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11
Q

D1- like class

A

D1 and D5 subtypes

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12
Q

D2- like class

A

D2, D3, D4

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13
Q

Intermediate precursor of dopamine that crosses the blood-brain barrier

A

L- Dopa

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14
Q

Addition of this enzyme in the catabolism of Dopamine

A

dopadecarboxulase

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15
Q

Why add LDopa and CDopa

A

Minimize the systemic side effects

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16
Q

(T/F) Psychological stress and anxiety worsen the abnormal movements in the EPS

A

TRUE

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17
Q

tendency for the voluntary movement to adopt the frequency of a coexistent tremor

A

Entrainment

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18
Q

A gentle push on the sternum or tug on the shoulders may cause a fall or start a series of small corrective septs that the patient cannot control

A

Festination

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19
Q

Rhythmically interrupted, ratchet- like resistance

A

Cogwheel phenomenon

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20
Q

Unable to relax a group of muscles on request

A

Paratonia

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21
Q

Encompasses all the active movement phenomena that are a consequence of disease of the basal ganglia, implying an element of dystonia

A

Dyskinesia

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22
Q

Chorea and myoclonus differ in what aspect

A

Myoclonic jerks is much faster and may involve single muscles

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23
Q

Chorea after Streptococcal infection

A

Syndenham chorea

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24
Q

(2) Paraneoplastic chorea antibodies

A

anti- CRMP, anti- Hu

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25
involuntary movements involve proximal limb muscles and are of wide range and flinging ni the nature
Hemiballismus
26
Term stems from Greek word "unfixed"
Athetosis
27
Idiopathic dystonia responding to extremely small doses of L- dopa
Segawa Disease
28
A characteristic, almost diagnostic, example of the acute drug- induced dystonias
Retrocolis
29
Give (3) drugs that can induce dystonias
L- Dopa, CCB, AEDs
30
Surgery in these structures yielded positive but unpredictable results in dystonia
Pallidum, ventrolateral thalamus
31
Numerous brief attacks of dystonia or CA provoked by sudden movement, startle, hyperventilation
Paroxysmal kinesigenic choreoathetosis
32
Treatment for paroxysmal kinesigenic choreothetosis
Phenytoin and Carbamazepine
33
Precipitated by ingestion of alcohol or coffee or fatuge
Second' nonkinesigenic choreoathetosis
34
Treatment for nonkinesigenic choreoathetosis
Benzodiazepine
35
Third type of paroxysmal choreoathetosis precipitated by prolonged exercise
Mount- Reback type VARIANT
36
Treatment for Mount- Reback type VARIANT paroxysmal choreoathetosis
Acetazolamide
37
involuntary rhythmic oscillatory movement produced by alternating or irregularly synchronous contractions
Tremor
38
Tremor vs other involuntary movement distinguishing factor
Rhythmicity
39
Tremor vs myocolonus and asterixis
Oscillatory nature
40
Frequency of tremors
8- 13 Hz
41
Commonest type of tremor
Essential (Familial) Tremor
42
Essential tremor of non- alternate beat type can be supressed by this in 75% of cases
Alcohol
43
Antibody associated with tremor of polyneuropathy
Anti- MAG
44
coarse, rhythmic tremor with a frequency of 3-5 Hz characterized by bursts of activity that alternate between opposing muscle groups
Parkinsonian Tremor
45
ratchet- like interruption perceived by the examiner on passive movement of an extremity
Negro sign
46
sign when patient engages the opposite limb tracing circles in the air
Froment sign
47
constant frequency, variable amplitude
Parkinsonian Tremor
48
meperidine analogue that destroys neurons of the substantia niagri pars compacta (p. 96)
MPTP
49
wide- ranging, rhythmic 2- 5 Hz "wing beating tremor" (p. 97)
Rubral tremor
50
strong familial episodic trmor disorder of the chin and lower lip that begins in childhood and may worsen with age (p. 97)
Geniospasm
51
chromosome involved with the mutation that causes geniospasm
Chromosome 9
52
Tremor occuring during quiet standing and its cessation almsot immediately on walking (p. 97)
Orthostatic tremor
53
Loading the limb exaggerates this tremor (p. 98)
Psychogenic and tremor by polyneuropathy
54
arrhythmic lapses of sustained posture that allow gravity of the inherent elastocotu of muscles produce a sudden movement which the patient corrects (p. 99)
Asterixis
55
sharp wave, probably generated in the motor cortex, immediately preceding a period of EMG silence (p. 99)
Asterixis
56
rapid, shock-like contractions of group of muscles, irregular in rhythmn and amplitude (p. 99)
Myoclonus
57
myoclonus associated with atypical petit mal and akinetic seizure (p. 101)
Lennox- Gastaut Syndrome
58
stimulus sensitive (reflex) myoclonus autosomal recessive disease (p. 101)
Lafora- body disease
59
myoclonus disease asociated with loss of Purkinje cells but NO inclusion bodies (p. 101)
Baltic variety of myoclonic epilepsy
60
give (3) drugs taht can cuase myoclonus (p. 101)
Haloperidol, lithium, amphatemines
61
T/F Action myoclonus is almost always associated with cerebellar ataxia (p. 102)
TRUE
62
repeated stimuli may recruit a series of incremental myoclonic jerks that culminate in a generalized convulsion (p. 102)
Unverricht- Lundberg Syndrome
63
most common mutation in startle syndromes (p. 103)
1- subunit of GLRA1
64
act of flexing the neck and bringing hte arms close to teh torso decring the intensity of attackes of Startle syndromes (p. 103)
Vigevano maneuver
65
gene associated with generalized torsion dystonia (p. 104)
DYT-1 mutation
66
most frequent form of restricted dystonia (p. 104)
Torticolis
67
percent of tortiolis with oral, mandibular or hand dystonia (p. 106)
15%
68
percent of torticolis with blepharospasm (p. 106)
10%
69
percent of torticolis with no relief with Botox injection (p. 106)
10%
70
Blepharospasm with forceful opening of the jaw, retraction of the lips, spasms of the plastysma, protrusion of tongue (p. 107)
Meige syndrome
71
treatment for tardive dyskinesia (p. 109)
Reserpine and Tetrabenazine
72
main identifying features of tics and habit spasm (p. 109)
Stereotypy and irresistibility
73
inner feeling of restlessness, inability to sit still, compulsion to move about (p. 111)
Akithisia