medical MCQs – Page 208

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 Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

4141. Removal of parathyroid gland produces the following changes EXCEPT_________________?
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A. Neuromuscular hyperexcitability

B. Decrease in plasma phosphate level

C. hypo calcemic tetany

D. Decline plasma calcium level

4142. All embrasure spaces are reflection of the______________?
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A. None of the above

B. Size of the teeth involved

C. Form of the teeth involved

D. Eruption sequence involved

4143. Negative BMR is observed with______________?
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A. Thyroid disturbance

B. Pituitary disturbance

C. All of the above

D. Parathyroid

4144. Horners syndrome is produced due to the pressure on____________?
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A. Spinal cord

B. Celiac ganglion

C. Parasympathertic ganglion

D. Stellate ganglion

4145. Steepest cusp is seen in_______________?
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A. Mandibular 2nd molar

B. Maxillary 1st molar

C. Maxillary 1st premolar

D. Mandibular 1st molar

4146. Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?
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A. Mandibular permanent first molar

B. Mandibular permanent second molar

C. Mandibular decidous second molar

D. Maxillary permanent first molar

4147. Pterygopalatine ganglion is functionally connected to_______________?
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A. Glosso Pharyngeal nerve

B. Mandibular nerve

C. Maxillary nerve

D. Facial nerve

4148. Following eruption , the root of the maxillary central incisor completes development at what approximate age ?
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A. 9 years

B. 10 years

C. 8 years

D. 7 years

4149. Cranial nerve not carrying parasympathetic fibres_____________?
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A. Third

B. Fourth

C. Seventh

D. Ninth

4150. Which of the following is true for permanent teeth________________?
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A. Maxillary roots are inclined distally where as Mandibular roots are inclined mesially

B. All of the above

C. Buccal cusps of lower and lingual cusps of upper are the functional cusp

D. Maxillary molars are buccally inclined and Mandibular molars are inclined lingually

4151. A maxillary right canine may be distinguished from a maxillary left canine because ____________?
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A. The root curves to mesial in the apical 1/3rd

B. The distal half of canine shows more convexity than the mesical half

C. Lingually the cervical line slopes mesially

D. Facially the cusp tip is placed distal to Bisecting line

4152. Ratio of mesiodistal width to height of crown of maxillary canine is______________?
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A. 8:10

B. 6:10

C. 6:08

D. 7:10

4153. Which of the following do not contribute to arch stability ?
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A. Root forms

B. Periodontal fibers

C. Cusps

D. Embrasures

4154. Motor supply of infrahyoid muscle is______________?
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A. Branches of cervical plexus

B. Vagus nerve

C. Glossopharyngeal nerve

D. Mandibular nerve

4155. Which of the following tooth shows largest Mesio- buccal ridge _____________?
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A. Maxillary 2nd premolar

B. Mandibular 1st molar

C. Maxillary 1st premolar

D. Mandibular 2nd premolar

4156. Which of the following is a smallest posterior tooth______________?
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A. Mandibular second premolar

B. Maxillary second premolar

C. Maxillary first premolar

D. Mandibular first premolar

4157. Nerve of pterygoid canal is formed by______________?
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A. Symphathetic and lesser petrosal nerve

B. Chorda tympani

C. Jacobsons nerve

D. Symphatetic and greater superficial petrosal nerve

4158. The occlusal surface shape of a 3 cusped mandibular second premolar_________________?
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A. Elliptical

B. Oval

C. Tetrahedral

D. Square

4159. Cortisol levels are maximum during____________?
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A. Sleep

B. Have no change

C. Early morning

D. Evening

4160. Distal contact of upper first premolar is________________?
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A. Lower than mesial contact area

B. Little cervical to junction of occlusal and middle third of crown

C. A and B

D. Higher than mesial contact area

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