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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

Which of the following has a nonfunctional cusp ?
A Mandibular canine
B Maxillary second premolar
C Mandibular first premolar
D None of the above
Correct Answer: Mandibular first premolar
The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?
A Number of roots
B Depth of central fossae
C Comparative size of the cusp of carabelli
D Relative position of the distolingual grooves
Correct Answer: Relative position of the distolingual grooves
If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?
A Maxillary central incisor
B Maxillary second premolar
C Mandibular lateral incisor
D Mandibular central incisor
Correct Answer: Maxillary central incisor
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?
A Cusps
B Roots
C Lingual grooves
D Marginal ridges
Correct Answer: Cusps
Fourth canal is present in_____________?
A Mesiobuccal roots of maxillary first molar
B Distal root of mandibular first molar
C Both of the above
D None of the above
Correct Answer: Both of the above
The geometric outline of the buccal surface of posterior teeth are_______________?
A Trapezoidal
B Rhomboidal
C Quadrilateral
D Square
Correct Answer: Trapezoidal
The lingual cusp of lower first premolar is compared to the development of____________?
A Cusp of carabelli
B Distolingual cusp of molars
C Lingual cusp of second premolar
D Cingulam of canine
Correct Answer: Cingulam of canine
The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?
A Distrobuccal, distolingual and Mesiolingual
B Distolingual, Mesiobuccal, and Linguo buccal
C Mesiobuccal, Distobuccal and Mesiolingual
D Mesiolingual, Mesiobuccal and distolingual
Correct Answer: Mesiobuccal, Distobuccal and Mesiolingual
Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?
A Mesiofacial
B Distofacial
C Mesiolingual
D Distolingual
Correct Answer: Mesiofacial
What is the functional form of anterior teeth from the mesial or the distal aspect ?
A Rhomboidal
B Trapezoidal
C Elliptical
D Wedge- shaped
Correct Answer: Wedge- shaped
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