medical MCQs – Page 263

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

5241. Which of the following movement (s) is / are involved in the opening of the mouth?
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A. Hinge followed by translation

B. Translation followed by hinge

C. Only translation

D. Only hinge ( rotation )

5242. The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
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A. Central incisors

B. First and 2nd premolar

C. Lateral incisor and canine

D. Central and lateral incisors

5243. Permanent Mandibular central incisor develops from_____________?
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A. 3 lobes

B. 1 lobe

C. 5 lobes

D. 4 lobes
5244. Which of the following is the largest root_____________?
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A. The lingual root of a maxillary second molar

B. The root of a maxillary canine

C. The root of a mandibular canine

D. The lingual root of a maxillary first molar

5245. Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
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A. More pronounced lingual fossa

B. Flattened root

C. Thinner incisal ridge

D. Sharper proximal incisal angles

5246. Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?
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A. Lateral pterygoid

B. Temporalis posterior fibers

C. Medial pterygoid

D. Temporalies- anterior fibers

5247. The mesial surface of the crown is almost parallel to long axis and the root of a______________?
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A. Maxillary 1st premolar

B. Maxillary canine

C. Mandibular canine

D. Mandibular 2nd premolar

5248. Cervical cross section of maxillary first premolar is_____________?
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A. Oval

B. Dumbell

C. Kidney shape

D. Elliptical

5249. The zygomatic bone does not articulate with________________?
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A. Maxillary bone

B. Nasal bone

C. Frontal bone

D. Temporal bone

5250. Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?
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A. Maxillary anterior

B. Mandibular canine

C. Mandibular anteriors

D. Maxillary canine

5251. Longest tooth of the maxillary arch is_____________?
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A. First premolar

B. Decidous incisor

C. Permanent canine

D. Permanent incisor

5252. In which of the following a nonfunctional cusp is present________________?
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A. Mandibular 2nd molar

B. Maxillary 2ndmolar

C. Maxillary 1st molar

D. Mandibular 1st molar

5253. Tooth with most variable occlusal anatomy________________?
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A. Maxillary second premolar

B. Mandibular second premolar

C. Mandibular third molar

D. Maxillary third molar
5254. The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?
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A. Mandibular first premolar

B. Maxillary central incisor

C. Maxillary lateral incisor

D. Mandibular lateral incisor

5255. The biting forces at molar region during mastication is_______________?
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A. 50 to 75 pounds

B. 20 to 55 pounds

C. 90 to 200 pounds

D. 30 to 75 pounds

5256. Which of the following are the unctions of contact areas______________?
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A. Stabilization of dental arches

B. All of the above

C. Protection of periodontium

D. Distribution of occlusal stresses

5257. Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?
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A. Palatal surface

B. Buccal surface

C. Mesial half of the palatal surface

D. Mesial surface

5258. Tooth with smallest root is_______________?
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A. Mandibular central incisor

B. Maxillary lateral incisor

C. Mandibular lateral incisor

D. Maxillary central incisor

5259. Which four mandibular teeth are so aligned that when viewed from the occlusal, a straight line may be drawn bisecting the contact areas_____________?
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A. 3,4,5,6

B. 2.3.4.5

C. 4,5,6,7

D. 5,6,7,8
5260. Mesiolingual grooves may be found on which of the following permanent teeth ______________?
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A. Mandibular second molars

B. Maxillary first molars

C. Maxillary canines

D. Mandibular first premolars