#1
Which of the following is NOT a core symptom of autism spectrum disorder (ASD)?
Enhanced motor skills
ExplanationEnhanced motor skills are not typically associated with ASD.
#2
What is one of the core features of autism according to the DSM-5?
Restricted, repetitive patterns of behavior, interests, or activities
ExplanationRestricted, repetitive patterns are core features of autism per DSM-5.
#3
Which of the following is NOT a developmental milestone typically delayed in children with autism?
Walking by 18 months
ExplanationWalking by 18 months is not typically delayed in children with autism.
#4
What is the approximate male-to-female ratio among individuals diagnosed with autism?
4:1
ExplanationThe approximate male-to-female ratio in autism is 4:1.
#5
Which of the following is a common comorbid condition seen in individuals with autism?
Obsessive-compulsive disorder (OCD)
ExplanationOCD is a common comorbid condition in individuals with autism.
#6
What is the primary goal of early intervention programs for children with autism?
To optimize developmental outcomes
ExplanationEarly intervention aims to optimize developmental outcomes in autism.
#7
Which of the following best describes the term 'echolalia' often observed in individuals with autism?
Repetitive behavior characterized by repeating words or phrases heard previously
ExplanationEcholalia is the repetition of words or phrases heard previously.
#8
Which term describes a feature of autism where individuals may focus intensely on a particular topic or object?
Fixation
ExplanationFixation describes intense focus on specific topics or objects seen in autism.
#9
What is the prevalence rate of ASD in the United States?
1 in 68
ExplanationThe prevalence rate of ASD in the US is approximately 1 in 68 individuals.
#10
Which of the following is a known genetic risk factor for autism?
Advanced paternal age
ExplanationAdvanced paternal age is associated with an increased risk of autism.
#11
What brain imaging technique has provided insights into the neurobiology of autism?
Magnetic resonance imaging (MRI)
ExplanationMRI has been used to study the neurobiology of autism.
#12
What is the term used to describe the phenomenon where individuals with autism have exceptional abilities in a specific area, such as math or music?
Savant syndrome
ExplanationSavant syndrome describes exceptional abilities in individuals with autism.
#13
Which of the following prenatal factors has NOT been associated with an increased risk of autism?
Low birth weight
ExplanationLow birth weight is not typically associated with an increased risk of autism.
#14
What percentage of individuals with autism have intellectual disability (IQ below 70)?
10-20%
ExplanationApproximately 10-20% of individuals with autism have intellectual disability.
#15
Which region of the brain is often implicated in studies examining the neurobiology of autism?
Amygdala
ExplanationThe amygdala is often implicated in autism neurobiology studies.
#16
Which of the following is a characteristic feature of sensory processing issues in autism?
Hypersensitivity to environmental stimuli
ExplanationHypersensitivity to stimuli is a characteristic of sensory issues in autism.
#17
Which hormone has been studied in relation to its potential role in the etiology of autism?
Oxytocin
ExplanationOxytocin's role in autism etiology has been studied.
#18
What is one of the key challenges in diagnosing autism spectrum disorder (ASD)?
Lack of specialized diagnostic tools
ExplanationA challenge in ASD diagnosis is the lack of specialized diagnostic tools.
#19
Which of the following is NOT considered a potential environmental risk factor for autism?
Consumption of omega-3 fatty acids
ExplanationConsumption of omega-3 fatty acids is not a recognized risk factor for autism.
#20
Which cognitive domain is typically unaffected or superior in many individuals with autism?
Language
ExplanationLanguage skills are often unaffected or superior in individuals with autism.
#21
Which of the following is NOT a subtype of autism spectrum disorder according to the DSM-5?
Rett syndrome
ExplanationRett syndrome is not classified as a subtype of autism in DSM-5.
#22
Which neurotransmitter is associated with deficits in social interaction and communication observed in autism?
Oxytocin
ExplanationOxytocin deficiency is associated with social deficits in autism.
#23
What is one potential benefit of early diagnosis and intervention for autism spectrum disorder?
Decreased risk of developing other mental health disorders
ExplanationEarly diagnosis and intervention may reduce the risk of other mental health disorders.
#24
Which theory suggests that autism arises from an overgrowth of synapses in the brain?
Intense world theory
ExplanationIntense world theory proposes an overgrowth of synapses in autism.
#25
Which neurotransmitter imbalance has been implicated in the pathophysiology of autism?
Serotonin
ExplanationSerotonin imbalance has been linked to autism pathophysiology.