Autism Spectrum Disorder Questions with correct Answers
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Course
Autism Spectrum Disorder
Institution
Autism Spectrum Disorder
Autism Spectrum Disorder
Autism Spectrum Disorder definition (ASD) - Answer- A disorder characterized by impairment in:
(1) social interaction and social communication
(2) restricted repetitive patterns of behavior, interests, and activities
Etiology - Answer- Current evidence supports a ge...
Autism Spectrum Disorder
Autism Spectrum Disorder definition (ASD) - Answer- A disorder characterized by
impairment in:
(1) social interaction and social communication
(2) restricted repetitive patterns of behavior, interests, and activities
Etiology - Answer- Current evidence supports a genetic basis in most cases
Brain structural and neurochemical abnormalities
Environmental factors (early on/prenatal toxic exposures-air pollutants, pesticides,
heavy metals such as mercury, lead, arsenic, toluene )
Parents at increased age
No evidence to support that vaccines have any role in causing autism
Risk factors - Answer- Increase rate of autism in siblings of a child with autism
Others: PKU, fetal alcohol syndrome
Tuberous sclerosis (dermatologic manifestation of neurologic disorder), Fragile X
syndrome
Epidemiology - Answer- Estimated prevalence currently 1 in 50 to 1 in 500
4-5 times more frequent in boys than in girls
Estimated prevalence in siblings of children with ASD 3-10% some up to 20%
History of someone with ASD - Answer- Developmental history
Early communicative behaviors
Trouble tolerating change
Possible seizures
Self-injury
Family history
Physical exam of ASD suspicion - Answer- look for neurocutaneous disorders, make
sure there are no dysmorphic disorders that could suggest genetic diseases
Signs/symptoms - Answer- Hallmark: impaired social communication
Most commonly recognized during 12-24 months age (when communication
happens-is there a delay or problem with communication?)
Other less important symptoms - Answer- -First symptoms frequently involve
delayed language development, regression of skills
-Deficits in emotional/social reciprocity (lack of empathy, don't reproduce your
actions)
-Decreased/lack of joint attention (don't engage you in something they are
interested)
-Impaired ability to use/interpret nonverbal behaviors (arms out-pick me up!-lack this)
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