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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

Difference between primary and permanent enamel is_______________?
A In prism arrangement
B in mineral content
C No difference in enamel, difference in dentin
D None of the above
Correct Answer: In prism arrangement
Among the difference between teeth in the decidous and the permanent dentition is that_____________?
A Buccal surfaces of the permanent molars are flatter
B Cervical ridges are more pronounced in permanent molars
C Root trunks of decidous teeth are larger compared with their overall root lengths
D Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths
Correct Answer: Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths
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
Correct Answer: Decidous maxillary central incisors
The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________?
A Mesiolingual
B Distolingual
C Mesiobuccal
D Distobuccal
Correct Answer: Mesiolingual
Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?
A Mandibular first molar
B Maxillary first molar
C Mandibular second molar
D Maxillary second molar
Correct Answer: Mandibular first molar
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
Correct Answer: All of the above
Pulp chambers and roots canals in decidous teeth______________?
A Wide and deep
B Shallow and narrow
C Wide and narrow
D Shallow and wide
Correct Answer: Shallow and wide
When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?
A Permanent second molar
B Permanent first molar
C Second premolar
D Primary first molar
Correct Answer: Permanent first molar
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
Correct Answer: Primary roots show less a accessory and lateral canals
How many roots does a primary maxillary first molar have ___________?
A One
B Two
C Three
D Four
Correct Answer: Three
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