Mental Retardation Flashcards

Students will be able to list diagnostic criteria for Mental Retardation and identify level of mental retardation when given information regarding IQ score and adaptive functioning. Students will be able to identify most likely type of Learning Disability when given patient history. Students will be able to correctly identify the following genetic and developmental disorders when given key features (whether written or visual): Fetal Alcohol Syndrome, Down Syndrome, Fragile X, Prader-Will

1
Q

Dx criteria for MR

A

IQ < 70
deficits in adaptive behaivior functioning
onset before 18 years

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2
Q

factors affecting IQ

A
genetics
envirinment
emotional/behavior factors
education
cultural bias
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3
Q

ways to measure adaptive behaivior

A
communication
daily living skills
social skills
motor skills
behaivior scales
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4
Q

IQ 70-80 type

A

borderline

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5
Q

IQ 50-70 type

A

mild

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6
Q

IQ 35-40 type

A

moderate

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7
Q

IQ 20-35 type

A

severe

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8
Q

IQ <20

A

profound

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9
Q

Chromosomal causes of MR

A

trisomy 21 (Down)
Fragile X
Kleinfelter’s
Turner’s

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10
Q

kleinfelter’s syndrome karotype

A

XXY

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11
Q

Turner’s syndrome karotype

A

X0

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12
Q

prenatal casues of MR

A
maternal diabetes
Maternal infection
brain defects
Malnutrtrion
toxin exopsure
low birth weight
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13
Q

perinatal casues of MR

A

extreme prematurity
blood group incompatabilty
brain trauma
hypoxia

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14
Q

postnatal causes of MR

A
trauma
CNS disease
tumor
malnutrition
radation
Pb exposure
asphyxia
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15
Q

risk factors for DS

A

maternal age

radiation

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16
Q

SX of DS

A

hypotonia, decreased stature, flat facies, slanted palpebral fissure, heart defects

17
Q

life expectancy of DS

A

40-50 years

18
Q

brain disease with high risk in DS

A

alzheimer’s

19
Q

average IQ in DS

A

50

20
Q

chromosomeal aberattions in DS

A

trisomy 21
mosaicism
translocation of chromosomes 21 and 15

21
Q

2nd most common inherited cause of MR

A

Fragile X

22
Q

physical Sx of Fragile X

A

macroorchisism (large gonads), prominent jaws and ears, long and narrow facies, short stature

23
Q

mentral sx of fragile X

A

poor attention and impusivity

rapid, persecerative speech

24
Q

mental comorbidities of fragile X

A

ADHD, LD, PDD

25
Q

chromosomal aberation in Prader-Willi

A

deletion of 15

26
Q

SX Prader-Willi syndrome

A
compulsive eating and obesity
MR
Hypogonadism
small stature, hands and feet
ODD
27
Q

chromosome abnormality in Cri-du-Chat

A

deletion of 5

28
Q

signs of FAS

A

growth deficiency
mild-moderate MR
short palperbral fissures
midface hypoplasia

29
Q

problems in FAS

A

microcephaly
sexiures
cardiac defects
hyperactiviy, poor attention, LD

30
Q

MR DDx

A

sensory deficits
speech deficits
cerebral palsy
PDD

31
Q

definition of learning disorders

A

measured achievement in a SPECIFIC academic area, rather than globally

32
Q

types of LD

A

reading disorder
math disorder
writing disorder

33
Q

50% comorbidity disease with LD

A

ADHD

34
Q

definition of developmental coordination diosorder

A

marked delays in gross/fine motor development not due to CP, MD, or PDD