Environmental factor(s) that may contribute to the development of autism spectrum disorder include:
Answer
Advanced paternal age
Prolonged fever during pregnancy
Extreme prematurity
All of the above
Question 2
Question
Which of the following is a comorbid condition associated with autism spectrum disorder?
Answer
Apraxia
Seizures
Obsessive compulsive disorder
All of the above
Question 3
Question
The following characteristics are associated with cleidocranial dysplasia EXCEPT:
Answer
Hypertelorism
Brachycephaly
Hypodontia
Delayed eruption of permanent teeth
Question 4
Question
What speech problem is caused by velopharyngeal insufficiency in a child with cleft lip and palate?
Answer
Hyponasality
Hypernasality
Lateral lisp
Articulation defects
Question 5
Question
Each of the following is associated with Down’s syndrome EXCEPT:
Answer
Cardiac anomalies
Increased risk for leukemia
Increased risk of caries
Increased risk of periodontal disease
Question 6
Question
Which of the follow inheritance patterns is characterized by the following:
-The phenotype occurs in successive generations and shows vertical inheritance.
-On average, 50% of the offspring of an affected parent will also be affected.
-Males and females are equally affected.
Answer
Autosomal dominant
Autosomal recessive
X- linked dominant
X-linked recessive
Question 7
Question
Which of the following enamel defects is characterized by:
-Normal enamel thickness
-Normal enamel hardness with reduced radiographic density
-Discoloration
Answer
Enamel hypoplasia
Enamel hypocalcification
Enamel hypomaturation
Question 8
Question
What Veau classification of the cleft palate involves the soft and hard palate but not the alveolar process?
Answer
Class I
Class II
Class III
Class IV
Question 9
Question
Failure of the maxillary and medial nasal process to fuse leads to:
Answer
Cleft lip
Unilateral cleft palate
Bilateral cleft palate
Submucous cleft
Question 10
Question
Which of the following is a physical finding of a submucous cleft?
Answer
Bifid uvula
Palpable notching at the posterior portion of the hard palate
Zona pellucida (thin,translucent membrane)
All of the above
Question 11
Question
An alveolar cleft bone graft is done to:
Answer
GIve additional support for the teeth adjacent to the cleft