DETAILED ANSWERS
◉ Which of the following drugs can be administered to
manage pain following the acute onset of a
migraine?
A. Amitriptyline.
B. Nifedipine.
C. Propranolol.
D. Sumatriptan. Answer: D. Sumatriptan.
◉ With excessive forward mandibular growth in a
patient with minimal overjet, the mandibular incisors
will most likely
A. tip labially.
B. tip lingually.
C. tip laterally.
D. remain unchanged. Answer: B. tip lingually.
◉ "Tic douloureux" is synonymous with
A. psychogenic facial pain.
,B. trigeminal neuralgia.
C. facial paralysis.
D. temporomandibular joint dysfunction. Answer: B. trigeminal
neuralgia.
◉ By definition, a compound fracture of the mandible
must have
A. multiple bone fragments.
B. exposure to the external environment.
C. a tooth in the line of fracture.
D. displacement of the fractured segments. Answer: B. exposure to
the external environment.
◉ The start of a mandibular bone formation coincides
with
A. tooth germ development.
B. completion of fusion of the facial processes.
C. bone formation in the maxilla.
D. completion of a mandible cartilage model. Answer: D. completion
of a mandible cartilage model.
◉ Which of the following has a direct effect on
,periodontal tissues in diabetes mellitus-associated
gingivitis?
A. Lipopolysaccharides.
B. Matrix metalloproteinases.
C. Proinflammatory cytokines.
D. Prostaglandins.
E. Leukotoxin. Answer: B. Matrix metalloproteinases.
◉ A 35 year old female patient has multiple petechiae
hemorrhages of the palatal mucosa and ecchymoses
of the right and left buccal mucosae. Which of the
following is the most likely laboratory finding?
A. Anemia.
B. Prolonged partial thromboplastin time (PTT).
C. Elevated INR.
D. Thrombocytopenia. Answer: D. Thrombocytopenia.
◉ The inferior border of the lingual bar of a removable
partial denture should
A. displace the lingual frenum.
B. be in contact with the cingula of the incisor
teeth.
, C. be superior to the gingival border.
D. be as inferior as the movement of the frenum of
the tongue will permit. Answer: D. be as inferior as the movement of
the frenum of the tongue will permit.
◉ Osteogenesis imperfecta is manifested by
A. punched-out radiolucencies in the jaws.
B. numerous unerupted supernumerary teeth.
C. osteoporosis and anemia.
D. multiple fractures and blue sclera. Answer: D. multiple fractures
and blue sclera.
◉ In radiography, minimum magnification and
maximum definition are achieved by
A. minimum OFD (object-film distance) and
minimum FFD (focal-film distance).
B. minimum OFD (object-film distance) and
maximum FFD (focal-film distance).
C. maximum OFD (object -film distance) and
maximum FFD (focal-film distance).
D. maximum OFD (object-film distance) and