Lec 3

Question 1

To be considered a developmental disability, you need these three things.

Answer 1

1) Must occur before adulthood.
2) Results in substantial impairment.
3) Continues indefinitely.

Question 2

What types of disabilities are the following?

• Intellectual disability
• learning disability
• ADD
• Cerebral palsy
• Autism
• Hearing and vision impairments.
• Neurological conditions

Answer 2

Developmental disabilities

Question 3

What is this a dx of?

1) IQ < 70 or 2 standard deviations below norm.
2) Significant limitations in adaptive behavior.

Answer 3

Intellectual disability

Question 4

What percent of intellectual disabilities have no clear etiology?

Answer 4

30-40%

Question 5

Genetic causes of ID

Answer 5

Down Syndrome
Fragile X
Tay-Sachs
PKU

Question 6

Environmental causes of ID

Answer 6

Fetal Alcohol 
Perinatal hypoxia
Severe deprivation
Poisoning 
Infection
Trauma

Question 7

Classifications of ID

Answer 7

Mild
Moderate
Severe
Profound

Question 8

85% of ID’s are what type?

Answer 8

Mild

Question 9

Common cause of ID that’s twice as common in males.

Answer 9

Fragile X

Question 10

Females with fragile X sometimes have only this, and not ID.

Answer 10

ADHD

Question 11

Three types of Cerebral Palsy

Answer 11

1) Spastic
2) Athetoid
3) Ataxic

Question 12

Most common form of CP

Answer 12

Spastic

Question 13

Type of CP where muscles are contracted and tense

Answer 13

Spastic

Question 14

Type of CP that has constant, uncontrolled motion of limbs, eyes, and head.

Answer 14

Athetoid

Question 15

Type of CP with poor sense of balance and frequent falls

Answer 15

Ataxic

Question 16

What fraction of CP patients have ID?

Answer 16

2/3

Question 17

What percent of CP have seizures?

Answer 17

30%

Question 18

People with CP are at an increased risk for what?

Answer 18

• Periodontal Disease
• Malocclusions
• Bruxism
• Enamel hypoplasia
• Facial trauma
• HYPERactive gag reflex
• Sialorrhea

Question 19

Most common genetic disorder.

Answer 19

Down Syndrome

Question 20

Most common genetic cause of ID.

Answer 20

Down Syndrome

Question 21

T/F: Down Syndrome patients at increased risk for:

• ID
• Congenital heart defects (50%)
• Atlantoaxial instability (10-30%)
• Hypothyroid
• Diabetes
• Duodenal stenosis
• 10 x risk for AM Leukemia
• Alzheimer’s (50% by age 60).
• Mental illness (30%)
• Seizures

Answer 21

True

Question 22

Periodontal issues with Down Syndrome

Answer 22

• Constrictive maxilla
• Malocclusions
• High vaulted palate
• Delayed tooth eruption
• HYPOdontia
• ANOdontia
• MACROglossia