NRNP 6665 – INTELLECTUAL DISABILITY
Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 40 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks
1. According to the DSM-5-TR, what are the two core features of intellectual disability?
A. Mood swings and speech delays
B. Deficits in intellectual functioning and adaptive functioning
C. Behavioral issues and aggression
D. Poor motor skills and seizures
Answer: B
EXPLANATION: Intellectual disability is defined in the DSM-5-TR by significant impairments in both
intellectual functioning and adaptive functioning (Lee et al., 2023).
2. Intellectual disability must be diagnosed before what age?
A. 25
B. 22
C. 18
D. 30
Answer: B
EXPLANATION: Diagnosis must be made before age 22 to differentiate it from other cognitive
impairments acquired in adulthood (Lee et al., 2023).
3. Which of the following is NOT a differential diagnosis of intellectual disability?
A. Cerebral palsy
B. Sensory disability
C. Child abuse
D. Asthma
Answer: D
EXPLANATION: Asthma is a medical condition but not typically considered in the differential
diagnosis of intellectual disability (Lee et al., 2023).
4. Intellectual disability is how much more prevalent in males than females?
A. 2x
B. 1.5x
C. 3x
D. Equally common
, Answer: B
EXPLANATION: Intellectual disability is reported to be 1.5 times more prevalent in males than in
females (Lee et al., 2023).
5. What age range shows peak incidence of intellectual disability diagnosis?
A. 5–9 years
B. 10–14 years
C. 15–20 years
D. Birth–4 years
Answer: B
EXPLANATION: Peak incidence of diagnosis occurs between ages 10 and 14 (Lee et al., 2023).
6. Which genetic disorder is NOT commonly associated with intellectual disability?
A. Phenylketonuria
B. Rett syndrome
C. Down syndrome
D. Astigmatism
Answer: D
EXPLANATION: Astigmatism is an eye condition and is unrelated to intellectual disability etiology
(Lee et al., 2023).
7. Which environmental factor is associated with the development of intellectual disability?
A. Cold temperatures
B. Tobacco smoke
C. Alcohol and infectious agents
D. Caffeine
Answer: C
EXPLANATION: Environmental factors such as alcohol, HIV, rubella, and maternal illnesses contribute
to neurodevelopmental disorders (Lee et al., 2023).
8. According to Lee et al. (2023), intellectual disability deficits are:
A. Temporary
B. Progressive
C. Reversible
D. Permanent
Answer: D
EXPLANATION: Deficits seen in intellectual disability are typically lifelong and permanent.
9. Mild intellectual disability may lead to:
A. Full independence
B. Inability to communicate
Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 40 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks
1. According to the DSM-5-TR, what are the two core features of intellectual disability?
A. Mood swings and speech delays
B. Deficits in intellectual functioning and adaptive functioning
C. Behavioral issues and aggression
D. Poor motor skills and seizures
Answer: B
EXPLANATION: Intellectual disability is defined in the DSM-5-TR by significant impairments in both
intellectual functioning and adaptive functioning (Lee et al., 2023).
2. Intellectual disability must be diagnosed before what age?
A. 25
B. 22
C. 18
D. 30
Answer: B
EXPLANATION: Diagnosis must be made before age 22 to differentiate it from other cognitive
impairments acquired in adulthood (Lee et al., 2023).
3. Which of the following is NOT a differential diagnosis of intellectual disability?
A. Cerebral palsy
B. Sensory disability
C. Child abuse
D. Asthma
Answer: D
EXPLANATION: Asthma is a medical condition but not typically considered in the differential
diagnosis of intellectual disability (Lee et al., 2023).
4. Intellectual disability is how much more prevalent in males than females?
A. 2x
B. 1.5x
C. 3x
D. Equally common
, Answer: B
EXPLANATION: Intellectual disability is reported to be 1.5 times more prevalent in males than in
females (Lee et al., 2023).
5. What age range shows peak incidence of intellectual disability diagnosis?
A. 5–9 years
B. 10–14 years
C. 15–20 years
D. Birth–4 years
Answer: B
EXPLANATION: Peak incidence of diagnosis occurs between ages 10 and 14 (Lee et al., 2023).
6. Which genetic disorder is NOT commonly associated with intellectual disability?
A. Phenylketonuria
B. Rett syndrome
C. Down syndrome
D. Astigmatism
Answer: D
EXPLANATION: Astigmatism is an eye condition and is unrelated to intellectual disability etiology
(Lee et al., 2023).
7. Which environmental factor is associated with the development of intellectual disability?
A. Cold temperatures
B. Tobacco smoke
C. Alcohol and infectious agents
D. Caffeine
Answer: C
EXPLANATION: Environmental factors such as alcohol, HIV, rubella, and maternal illnesses contribute
to neurodevelopmental disorders (Lee et al., 2023).
8. According to Lee et al. (2023), intellectual disability deficits are:
A. Temporary
B. Progressive
C. Reversible
D. Permanent
Answer: D
EXPLANATION: Deficits seen in intellectual disability are typically lifelong and permanent.
9. Mild intellectual disability may lead to:
A. Full independence
B. Inability to communicate
