ATI Pediatrics Final Exam 2025 | Nurselytic

Correct Answer: C

Rationale: The correct answer is C: The exact causes of autism spectrum disorder are not fully understood, but it is believed to be related to a combination of genetic and environmental factors. This statement should be reinforced by the nurse because it accurately reflects the current understanding of ASD. Autism is a complex neurodevelopmental disorder with no single known cause. Research suggests that genetic factors play a significant role, but environmental influences also contribute.

Choices A, B, and D are incorrect. A: There is no scientific evidence linking vaccinations, including the MMR vaccine, to autism. B: ASD is not caused by poor parenting; it is a neurological condition. D: While some individuals with ASD may have sensitivities to gluten and casein, these dietary components are not directly responsible for causing ASD.

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