Ch 6 pathology book questions
The karyotype of a patient with Turner syndrome shows:
44 autosomes and XO
Hypothetically, an autosomal-dominant trait would be clinically present in:
50% of the offspring of an affected parent
Karyotype refers to:
A microphotograph showing a person's chromosomes from a single cell
Trisomy refers to:
A pair of chromosomes with an identical extra chromosome
Patients with hypophosphatasia characteristically have:
Absence of root cementum
Patients with an X-linked hereditary condition:
Are generally affected more severely if they are men
Taurodontic teeth:
Are pyramidal in shape
The Papillon-Lefèvre syndrome is inherited according to a (an):
Autosomal-recessive pattern
A 14-year-old boy is seen in consultation because of bilateral mandibular swelling. Radiographs show a bilateral multilocular lesion in the ascending mandibular rami. The mother of this patient has similar findings. The most likely diagnosis is:
Cherubism
In which one of the following conditions can the shoulders be brought forward to the midline due to hypoplastic clavicles?
Cleidocranial dysplasia
In all inherited varieties of gingival fibromatosis, the gingival enlargement is characterized by a marked:
Collagenization of the connective tissue
Which of the following is the most serious component of Gardner syndrome?
Colorectal polyposis
All of the following are involved in cherubism except one. Which one is the exception? a. Coronoid process b. Condyle c. Posterior mandible d. Ascending ramus
Condyle
Hypotrichosis means:
Decreased amount of hair
Which one of the following is associated with cyclic neutropenia? a. Exfoliating teeth because of short roots b. Chipping away of enamel c. Diminished number of circulating neutrophils d. Premature loss of primary teeth
Diminished number of circulating neutrophils
The major concern for a dental hygienist when treating a patient with Osler-Rendu-Parkes Weber syndrome should be:
Gingival hemorrhage
Patients with hypohidrotic ectodermal dysplasia characteristically have:
Hypodontia
The so-called "enamel agenesis" is one of which type of amelogenesis imperfecta?
Hypoplastic
Two characteristic clinical components of mandibulofacial dysostosis are:
Hypoplastic mandible and deafness
Torus mandibularis and torus palatinus are:
Inherited as an autosomal-dominant trait
Which one of the following is characteristically associated with oral ulcerations?
Kostmann syndrome
The most frequently exfoliated teeth in patients with hypophosphatasia are the:
Maxillary primary incisors
Which of the following is a component of the Peutz-Jeghers syndrome?
Multiple pigmented macules on the lower lip and mucosa
Odontogenic keratocysts are a clinical component of:
Nevoid basal cell carcinoma syndrome
Barr bodies are seen at the:
Nuclear periphery of cells in women
All of the following are characteristics of cherubism except one. Which one is the exception? a. Pseudoanodontia b. Autosomal dominant c. Ocular hypertelorism d. Autosomal recessive
Oculat hypertelorism
A 9-year-old boy exhibits markedly swollen red and bleeding gingiva. In addition, he has tooth mobility, and the intraoral radiographs show marked alveolar bone atrophy with vertical periodontal pockets. Which of the following will be found in this child if he were to have Papillon-Lefèvre syndrome?
Palmar and plantar hyperkeatosis
Which of the following is true for von Recklinghausen disease? a. Patients may have gingival neurofibromas. b. It is inherited as an autosomal-recessive trait. c. Patients experience a generalized whitening of the oral mucosa. d. Patients have multiple fibromatoses.
Patients may have gingival neurofibromas.
Which one of the following is typically found in the MEN 2B syndrome
Pheochromocytoma
Radiographs of a patient with radicular dentin dysplasia show:
Pulp chambers with a half-moon appearance
In dentinogenesis imperfecta type II, teeth have:
Roots that are short and thin
Which one of the following statements is true when comparing cyclic neutropenia and Kostmann syndrome? a. The oral lesions in cyclic neutropenia are more severe. b. Both conditions are inherited as autosomal dominant. c. Both conditions are associated with capillary fragility. d. The oral lesions in Kostmann syndrome are always present unless systemic treatment is instituted.
The oral lesions in Kostmann syndrome are always present unless systemic treatment is instituted.
The characteristic finding in permanent teeth affected with coronal dentin dysplasia is:
Thistle-shaped pulp chambers in incisors
Snow-capped amelogenesis imperfecta have teeth with:
White hypocalcified enamel at the incisal and occlusal thirds
The Lyon hypothesis is demonstrated by:
X-linked dominant traits
The constriction that joins the short and long arms of each chromosome is called the:
centromere
The most frequent site of hemorrhage in patients with hereditary hemorrhagic telangiectasia is the:
gingiva
Which one of the following is characteristically associated with teeth with large pulp chambers?
hypophosphatasia
A gamete is the result of the process of:
meiosis
The cause of all forms of labial and palatal clefting is considered to be:
multifactorial
The order of the four stages of mitosis is:
prophase, metaphase, anaphase, telophase
A 19-year-old woman is diagnosed with cleidocranial dysplasia. She has absent clavicles and a mushroom-shaped skull. Which of the following conditions is she also most likely to have?
supernumerary teeth
Cannon disease is also known as:
white sponge nevus