MCQOPTIONS
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MCQOPTIONS
This section includes 245 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The geometric outline of the buccal surface of posterior teeth are_______________? |
| A. | Trapezoidal |
| B. | Rhomboidal |
| C. | Quadrilateral |
| D. | Square |
| Answer» B. Rhomboidal | |
| 102. |
The first permanent tooth to erupt in the oral cavity is the_____________? |
| A. | Mandibular central incisor |
| B. | Mandibular first molar |
| C. | Maxillary central incisor |
| D. | Maxillary first molar |
| Answer» C. Maxillary central incisor | |
| 103. |
The first macroscopic indication of morphologic development of primary incisors approximately at____________? |
| A. | 11 weeks in utero |
| B. | 14 weeks in utero |
| C. | 16 weeks in utero |
| D. | 6 weeks in utero |
| Answer» B. 14 weeks in utero | |
| 104. |
The first evidence of calcification of primary anterior teeth begins approximately between ______________? |
| A. | 14 to 17 weeks in utero |
| B. | 9 to 12 weeks in utero |
| C. | 6- to 9 weeks in utero |
| D. | 17 to 20 weeks in utero |
| Answer» B. 9 to 12 weeks in utero | |
| 105. |
The faciolingual angulation of the upper central incisor is approximately___________________? |
| A. | 20° |
| B. | 28° |
| C. | 33° |
| D. | 38° |
| Answer» C. 33° | |
| 106. |
The eruption are of maxillary permanent lateral incisor is_____________? |
| A. | 8-9 years |
| B. | 6-7 years |
| C. | 10-11 years |
| D. | 8-9 months |
| Answer» B. 6-7 years | |
| 107. |
The eruption age of maxillary permanent lateral incisor is________________? |
| A. | 8-9 years |
| B. | 6-7 years |
| C. | 10-11 years |
| D. | 8-9 months |
| Answer» B. 6-7 years | |
| 108. |
The embrasure areas in the following areas are contentious______________? |
| A. | Labial and lingual |
| B. | Lingual and Occlusal |
| C. | Incisal and Occlusal |
| D. | Labial and Occlusal |
| Answer» B. Lingual and Occlusal | |
| 109. |
The distance from the CEJ to the alveolar crest normally is____________? |
| A. | 1 – 1.5 mm |
| B. | 2 mm |
| C. | 2 – 2.3 mm |
| D. | 3 mm |
| Answer» B. 2 mm | |
| 110. |
The direction of enamel rods in decidous teeth is_____________? |
| A. | Same as permanent teeth |
| B. | Inclined in an apical direction in the cervical third of crown |
| C. | Inclined in an occlusal direction in the cervical third of crown |
| D. | None of the above |
| Answer» D. None of the above | |
| 111. |
The decidous canine emerges______________? |
| A. | Before lateral incisor |
| B. | Before first molar |
| C. | After first molar |
| D. | After second molar |
| Answer» D. After second molar | |
| 112. |
The curvature of the cervical line of most teeth will be approximately____________? |
| A. | 2 mm less distally than mesially |
| B. | 1 mm less distally than mesially |
| C. | 2 mm less lingually than buccally |
| D. | 1 mm less lingually than buccally |
| Answer» C. 2 mm less lingually than buccally | |
| 113. |
The crowns and roots of primary molar at their cervical portions are more____________? |
| A. | Slender mesiodistally |
| B. | Slender anteroposteriorly |
| C. | Bulkier mesiodistally |
| D. | Buliker anteroposteriorly |
| Answer» B. Slender anteroposteriorly | |
| 114. |
The correct dentition in a 9- years old child is_____________? |
| A. | 12 CDE6 |
| B. | 12C456 |
| C. | 123DE6 |
| D. | 123456 |
| Answer» B. 12C456 | |
| 115. |
The contact area on the distal surface of a maxillary first premolar should be placed in________________? |
| A. | Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure |
| B. | Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure |
| C. | Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure |
| D. | Middle 3rd with facial embrasure greater than the lingual embrasure |
| Answer» B. Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure | |
| 116. |
The contact area on the distal side of a maxillary first premolar is located _____________? |
| A. | Middle of the middle third with buccal embrasure wider than lingual |
| B. | Middle of the middle third with lingual embrasure wider than buccal |
| C. | Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure |
| D. | Cervical third with buccal embrasure wider than lingual embrasure |
| Answer» D. Cervical third with buccal embrasure wider than lingual embrasure | |
| 117. |
The biting forces at molar region during mastication is_______________? |
| A. | 20 to 55 pounds |
| B. | 30 to 75 pounds |
| C. | 50 to 75 pounds |
| D. | 90 to 200 pounds |
| Answer» E. | |
| 118. |
Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________? |
| A. | Mamelons |
| B. | Tubercles |
| C. | Enamel pits |
| D. | Cingulum |
| Answer» B. Tubercles | |
| 119. |
Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________? |
| A. | Primary roots show less a accessory and lateral canals |
| B. | Primary roots resorb more easily |
| C. | Primary roots are shorter |
| D. | None of the above |
| Answer» B. Primary roots resorb more easily | |
| 120. |
Root completion of the mandibular first molar takes place by the age_______________? |
| A. | 7-8 years |
| B. | 8-9 years |
| C. | 9-10 years |
| D. | 10 – 11 years |
| Answer» D. 10 – 11 years | |
| 121. |
Retrusion of mandible is achieved by _______________? |
| A. | Lateral pterygoid |
| B. | Temporalis |
| C. | Masseter |
| D. | None of the above |
| Answer» C. Masseter | |
| 122. |
Resorption of root of primary incisors starts at_____________? |
| A. | 4 yrs |
| B. | 6 yrs |
| C. | 8 yrs |
| D. | 10 yrs |
| Answer» B. 6 yrs | |
| 123. |
Ratio of mesiodistal width to height of crown of maxillary canine is______________? |
| A. | 6:10 |
| B. | 8:10 |
| C. | 6:8 |
| D. | 7:10 |
| Answer» C. 6:8 | |
| 124. |
Pulp chambers and roots canals in decidous teeth______________? |
| A. | Wide and deep |
| B. | Shallow and narrow |
| C. | Wide and narrow |
| D. | Shallow and wide |
| Answer» E. | |
| 125. |
Protective crests of contour on buccal and lingual surfaces are found______________? |
| A. | In the middle third of the lingual |
| B. | Nearest the occlusal third of the lingual |
| C. | In the cervical third of the buccal |
| D. | Both A and C |
| Answer» E. | |
| 126. |
Primary teeth differ from permanent teeth in following aspects ? |
| A. | Thickness of enamel and dentin |
| B. | Pulp chambers are longer |
| C. | Roots are flaring |
| D. | All of the above |
| Answer» E. | |
| 127. |
Primary dentition period is______________? |
| A. | From birth to 11 years |
| B. | From 6 months to 11 years |
| C. | From 6 months to 6 years |
| D. | From 6 years to 11 years |
| Answer» D. From 6 years to 11 years | |
| 128. |
Primary canine erupts______________? |
| A. | After D |
| B. | Before B |
| C. | After B |
| D. | After E |
| Answer» B. Before B | |
| 129. |
Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________? |
| A. | Premolars |
| B. | 1st and 2ndmolar |
| C. | 1st premolar and cane |
| D. | First molar and 2nd premolar |
| Answer» E. | |
| 130. |
Position and movement of articular disc of TMJ is controlled by fibers of_____________? |
| A. | Lower head of lateral pterygoid muscle |
| B. | Sphenomandibular ligament |
| C. | Superficial head of medial pterygoid muscle |
| D. | Upper head of lateral pterygoid muscle |
| Answer» E. | |
| 131. |
Permanent mandibular first molar is developed from ______ lobes? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 132. |
Permanent Mandibular central incisor develops from_____________? |
| A. | 1 lobe |
| B. | 3 lobes |
| C. | 4 lobes |
| D. | 5 lobes |
| Answer» D. 5 lobes | |
| 133. |
Palatogingival groove is found in______________? |
| A. | Maxillary lateral incisor |
| B. | Maxillary first premolar |
| C. | Maxillary first molar |
| D. | All of the above |
| Answer» B. Maxillary first premolar | |
| 134. |
Over jet is defined as______________? |
| A. | Horizontal overlap |
| B. | Vertical overlap |
| C. | Transverse plane discrepancy |
| D. | Transverse plane discrepancy |
| Answer» B. Vertical overlap | |
| 135. |
Once the enamel formation is complete, the tooth will erupt after approximately______________? |
| A. | One year |
| B. | Two years |
| C. | Three years |
| D. | Four years |
| Answer» D. Four years | |
| 136. |
On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ? |
| A. | Maxillary central incisor |
| B. | Mandibular central incisor |
| C. | Mandibular lateral incisor |
| D. | Mandibular second premolar |
| Answer» C. Mandibular lateral incisor | |
| 137. |
On opening the mouth , if the jaw deviates to the right side, it indicates the paralysis of__________? |
| A. | Right lateral pterygoid |
| B. | Left lateral pterygoid |
| C. | Right medial pterygoid |
| D. | Left medial pterygoid |
| Answer» B. Left lateral pterygoid | |
| 138. |
Oblique ridge in maxillary first molar joins which of the following cusps____________________? |
| A. | DL and DB |
| B. | ML and MB |
| C. | ML and DB |
| D. | DL and MB |
| Answer» D. DL and MB | |
| 139. |
Number of teeth seen on X- ray at birth_______________? |
| A. | 20 |
| B. | 22 |
| C. | 24 |
| D. | 30 |
| Answer» D. 30 | |
| 140. |
Number of roots in maxillary 2nd molar is_______________? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 141. |
Normal dentition in centric occlusion, opposing contact may be expected at_____________? |
| A. | Buccals slopes of buccal cusps of maxillary posterior teeth |
| B. | Buccal slopes of lingual cusps of maxillary posterior teeth |
| C. | Lingual slopes of lingual cusps of mandibular posterior teeth |
| D. | All slopes of lingual cusps of mandibular posterior teeth |
| Answer» C. Lingual slopes of lingual cusps of mandibular posterior teeth | |
| 142. |
No. of cusps in mandibular 1st molar_____________? |
| A. | 4 |
| B. | 3 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 143. |
Most common morpholgical variation is seen in________________? |
| A. | Maxillary lateral incisor |
| B. | Mandibular lateral incisor |
| C. | Maxillary canine |
| D. | Mandibular canine |
| Answer» B. Mandibular lateral incisor | |
| 144. |
Mesiolingual grooves may be found on which of the following permanent teeth ______________? |
| A. | Mandibular second molars |
| B. | Mandibular first premolars |
| C. | Maxillary first molars |
| D. | Maxillary canines |
| Answer» C. Maxillary first molars | |
| 145. |
Mesiodistal width is more than cervico- incisal length of crown in_____________? |
| A. | Permanent central incisors |
| B. | Decidous maxillary central incisors |
| C. | Permanent maxillary canines |
| D. | Permanent mandibular lateral incisors |
| Answer» C. Permanent maxillary canines | |
| 146. |
Mesial slope of buccal cusp is longer than distal slope in_________________? |
| A. | Maxillary 2nd premolar |
| B. | Maxillary 1st premolar |
| C. | Mandibular canine |
| D. | Maxillary canine |
| Answer» C. Mandibular canine | |
| 147. |
Mesial concavity making the prognosis poor for a furcation involvement is present in_____________? |
| A. | Maxillary canine |
| B. | Maxillary 1st premolar |
| C. | Mandibular 1st premolar |
| D. | Maxillary 2nd premolar |
| Answer» C. Mandibular 1st premolar | |
| 148. |
Mesial contact area of the permanent canine is at the______________? |
| A. | Middle third |
| B. | Junction of the incisal and middle thirds |
| C. | Junction of the middle and cedrvical thirds |
| D. | None of the above |
| Answer» D. None of the above | |
| 149. |
Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________? |
| A. | Centric occlusion |
| B. | Rest position |
| C. | Protrusive contacts |
| D. | Laterotrusive contacts |
| Answer» B. Rest position | |
| 150. |
Maxillary primary cuspid enamel completion takes place at______________? |
| A. | 6 months in utero |
| B. | 6 months after birth |
| C. | 9 months in utero |
| D. | 9 months after birth |
| Answer» E. | |