Medical Science Mcqs 5254 MCQs [All-Courses]

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

Which of the following has a nonfunctional cusp ?

A Mandibular canine

B Maxillary second premolar

C Mandibular first premolar

D None of the above

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

Correct Answer: Wedge- shaped

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Which of the following has a nonfunctional cusp ?

The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?

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_____________?

The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?

Fourth canal is present in_____________?

The geometric outline of the buccal surface of posterior teeth are_______________?

The lingual cusp of lower first premolar is compared to the development of____________?

The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?

What is the functional form of anterior teeth from the mesial or the distal aspect ?