medical MCQs – Page 210

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 Review each marked answer and report any item that may be outdated or unclear.

4181. Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?
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A. Mandibular centrals

B. Mandibular laterals

C. Both A and B

D. None of the above

4182. Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
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A. Maxillary lateral incisor & mandibular canine

B. Maxillary 2nd premolar & mandibular canine

C. Maxillary 2nd premolar & maxillary 1st molar

D. Maxillary 1st molar & mandibular 2nd premolar

4183. Fertilized ovum usually gets attached to the uterus wall in ____________?
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A. 28 days

B. 8 weeks

C. 1 week

D. 14 days

4184. Largest tooth in the mandibular arch is_________________?
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A. Canine

B. Decidous first molar

C. Third molar

D. Permanent first molar
4185. Number of roots in maxillary 2nd molar is_______________?
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A. 3

B. 2

C. 5

D. 4

4186. The primary centre of formation of each lobe is present in_____________?
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A. Apex of the root

B. Centre of the crown

C. Centre of the tooth

D. Tip of the cusp
4187. Excess of cortisol causes______________?
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A. Diabetes insipidus

B. Conns syndrome

C. Cushing s syndrome

D. Acromegaly

4188. Oblique ridge in maxillary first molar joins which of the following cusps____________________?
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A. ML and DB

B. ML and MB

C. DL and DB

D. DL and MB

4189. Permanent mandibular first molar is developed from ______ lobes?
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A. 3

B. 4

C. 5

D. 6

4190. A diet deficient in calcium will result in_____________?
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A. Production of Calcitonin and a low blood calcium level

B. Stimulation of the thyroid gland

C. Production of parathyroid hormone and bone resorption

D. Increased ability to cross link fibrin

4191. 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 lateral incisor

B. Mandibular first premolar

C. Maxillary central incisor

D. Maxillary lateral incisor
4192. Hyperthyroidism can be caused by____________?
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A. Hydralazine

B. Amiodarone

C. Penicillamine

D. Clonidine

4193. Which one of the following is a branch of facial nerve__________?
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A. External petrosal nerve

B. Deep petrosal nerve

C. Greater superficial petrosal nerve

D. Lesser superficial petrosal nerve

4194. True about occulomotor nerve are all except____________?
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A. Carries parasympathertic fibres

B. Supplies inferior oblique muscle

C. Causes constriction of pupils

D. Passes through inferior orbital fissure
4195. Which of the following hormones does not affect growth ?
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A. Somatotropins

B. Oxytocin

C. Thyroid hormone

D. Estrogen

4196. The contact area on the distal side of a maxillary first premolar is located _____________?
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A. Middle of the middle third with lingual embrasure wider than buccal

B. Cervical third with buccal embrasure wider than lingual embrasure

C. Middle of the middle third with buccal embrasure wider than lingual

D. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
4197. Which of these following is not an effect of insulin ?
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A. Increased transport of glucose into cells

B. Decreased gluconeogenesis

C. Induction of lipoprotein lipase

D. Increased glycogenolysis
4198. The hormone having the maximum effect on granulation wound healing is____________?
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A. Parathormone

B. Cortisone

C. Epinephrine

D. Thyroxine

4199. Tooth with smallest root is_______________?
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A. Maxillary lateral incisor

B. Mandibular lateral incisor

C. Maxillary central incisor

D. Mandibular central incisor
4200. The hormone , which stimulates uterus contraction and lets down milk, is_____________?
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A. Prolactin

B. Prostaglandin

C. Oxytocin

D. Progesterone