medical MCQs – Page 262

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 Review each marked answer and report any item that may be outdated or unclear.

5221. The teeth that are retained for the longest period of time are__________________?
comments icon0

A. Mandibular canines

B. B & D

C. Maxillary canines

D. Maxillary incisors

E. Mandibular incisors

5222. How many pulpal horns are there in the mandibular second primary molar ?
comments icon0

A. 3

B. 5

C. 4

D. 6

5223. Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?
comments icon0

A. Only molars

B. 1,2,4,5,6,7 in all quadrants

C. All teeth except third molars

D. 1,2,6 in all quadrants
5224. In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the______________?
comments icon0

A. Distal marginal ridge of mandibular 1st premolar

B. Mesial fossa of mandibular 1<sup>st</sup> molar

C. Distal marginal ridge of mandibular 2ndmolar

D. Distal fossa of mandibular 2ndpremolar
5225. Once the enamel formation is complete, the tooth will erupt after approximately______________?
comments icon0

A. One year

B. Two years

C. Three years

D. Four years

5226. Pulp chambers and roots canals in decidous teeth______________?
comments icon0
A. Shallow and wide

B. Wide and deep

C. Shallow and narrow

D. Wide and narrow

5227. The root completion of permanent teeth is achieved after __________ years o eruption?
comments icon0

A. 1-1

B. 4-Mar

C. 2-3

D. 5-Apr

5228. Maxillary primary cuspid enamel completion takes place at______________?
comments icon0

A. 6 months in utero

B. 6 months after birth

C. 9 months after birth

D. 9 months in utero

5229. The side towards which mandible moves is called the_____________?
comments icon0

A. Non- working side

B. Working side

C. Balancing side

D. Tooth contact side

5230. Which of the following moment are performed by a non- working condyle ?
comments icon0
A. Down wards forwards and lateral

B. Straightward

C. Down wards forwards and medial

D. Down wards Back wards and medial

5231. What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite wing radigraph ?
comments icon0
A. 4-5 months

B. 3-4 months

C. 6-7 months

D. 5-6 months

5232. Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?
comments icon0
A. Mandibular first molar

B. Maxillary first molar

C. Maxillary second molar

D. Mandibular second molar

5233. How many roots does a primary maxillary first molar have ___________?
comments icon0

A. One

B. Three

C. Two

D. Four

5234. In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?
comments icon0

A. Occlusal pits and fissures of mandibular teeth

B. Lingual cusps of mandibular teeth

C. Grooves and embrasures

D. Fossa and rdges

5235. The correct dentition in a 9- years old child is_____________?
comments icon0

A. 123456

B. 123DE6

C. 12C456

D. 12 CDE6
5236. Root completion of the mandibular first molar takes place by the age_______________?
comments icon0
A. 9-10 years

B. 8-9 years

C. 7-8 years

D. 10 11 years

5237. In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?
comments icon0
A. Facial embrasure of canine and premolar

B. Mesial ridge on the facial cusp of mandibular first premolar

C. Distal ridge of the cusp of mandibular canine

D. incisal embrasure of canine and premolar

5238. Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?
comments icon0
A. Inferior and lingual

B. Superior and lingual

C. Inferior and facial

D. Superior and facial

5239. The first macroscopic indication of morphologic development of primary incisors approximately at____________?
comments icon0

A. 14 weeks in utero

B. 6 weeks in utero

C. 16 weeks in utero

D. 11 weeks in utero
5240. The largest embrasure in posterior teeth is the__________?
comments icon0

A. Distal

B. Occlusal

C. Buccal

D. Lingual