NRNP 6665 Final Exam Questions and
Answers | Study Guide | Grade A+
• Differential diagnoses -✓✓Child abuse, debilitating medical diseases, cerebral
palsy, sensory disability, and speech disorder (Lee et al., 2023)
• Incidence -✓✓Peaks between 10 and 14 years old (Lee et al., 2023)
1.5x more prevalent in males versus females (Lee et al., 2023)
• Etiology -✓✓Genetic- Phenylketonuria, Lesch-Nyhan syndrome, Fragile X
syndrome, and Rett syndrome are all inborn errors of metabolism that can cause
neurodevelopmental defects or neurodegeneration (Lee et al., 2023)
Environmental- Toxic substances (alcohol, illicit drugs), infectious agents (rubella,
HIV), and uncontrolled maternal medical conditions (hypertension, asthma, urinary
tract infection, pre-pregnancy obesity, or pre-pregnancy diabetes) (Lee et al., 2023)
• Prognosis -✓✓Deficits seen in intellectual disability are permanent (Lee et al.,
2023)
With adequate interventions those with; Mild intellectual disability might achieve
adequate language and social skills to function independently (Lee et al., 2023)
Moderate intellectual disability might achieve a second-grade level of language
and social skills (Lee et al., 2023) Severe intellectual disability might not be able to
communicate orally (Lee et al., 2023)
Answers | Study Guide | Grade A+
• Differential diagnoses -✓✓Child abuse, debilitating medical diseases, cerebral
palsy, sensory disability, and speech disorder (Lee et al., 2023)
• Incidence -✓✓Peaks between 10 and 14 years old (Lee et al., 2023)
1.5x more prevalent in males versus females (Lee et al., 2023)
• Etiology -✓✓Genetic- Phenylketonuria, Lesch-Nyhan syndrome, Fragile X
syndrome, and Rett syndrome are all inborn errors of metabolism that can cause
neurodevelopmental defects or neurodegeneration (Lee et al., 2023)
Environmental- Toxic substances (alcohol, illicit drugs), infectious agents (rubella,
HIV), and uncontrolled maternal medical conditions (hypertension, asthma, urinary
tract infection, pre-pregnancy obesity, or pre-pregnancy diabetes) (Lee et al., 2023)
• Prognosis -✓✓Deficits seen in intellectual disability are permanent (Lee et al.,
2023)
With adequate interventions those with; Mild intellectual disability might achieve
adequate language and social skills to function independently (Lee et al., 2023)
Moderate intellectual disability might achieve a second-grade level of language
and social skills (Lee et al., 2023) Severe intellectual disability might not be able to
communicate orally (Lee et al., 2023)
