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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.

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

Review Detailed Answer

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

Review Detailed Answer

Correct Answer: Three

How many cusps does the crown of the maxillary first primary molar have ?

A 2

B 3

C 4

D 5

Review Detailed Answer

Correct Answer: 4

The largest mesiodistal diameter in primary dentition is____________?

A Mandibular 1st molar

B Mandibular2nd molar

C Maxillary 2nd molar

D None of the above

Review Detailed Answer

Correct Answer: Mandibular2nd molar

During the development of a tooth, sound coalescence of the lobes results in_____________?

A Grooves

B Fissures

C Cusps

D All of the above

Review Detailed Answer

Correct Answer: Grooves

The crowns and roots of primary molar at their cervical portions are more____________?

A Slender mesiodistally

B Slender anteroposteriorly

C Bulkier mesiodistally

D Buliker anteroposteriorly

Review Detailed Answer

Correct Answer: Slender mesiodistally

The pulp of first primary molar contains________________?

A Four pulp horn and three root canal

B Three pulp horn and three root canal

C Two pulp horn and two root canal

D Two pulp horn and three root canal

Review Detailed Answer

Correct Answer: Four pulp horn and three root canal

What is the thickness of the layer of primsless enamel found in primary teeth_____________?

A 25 μm

B 50μm

C 75μm

D 100μm

Review Detailed Answer

Correct Answer: 25 μm

The direction of enamel rods in decidous teeth is_____________?

A Same as permanent teeth

B Inclined in an apical direction in the cervical third of crown

C Inclined in an occlusal direction in the cervical third of crown

D None of the above

Review Detailed Answer

Correct Answer: Inclined in an occlusal direction in the cervical third of crown

With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?

A Less

B Greater

C The same

D Not related

Review Detailed Answer

Correct Answer: Greater

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?

How many roots does a primary maxillary first molar have ___________?

How many cusps does the crown of the maxillary first primary molar have ?

The largest mesiodistal diameter in primary dentition is____________?

During the development of a tooth, sound coalescence of the lobes results in_____________?

The crowns and roots of primary molar at their cervical portions are more____________?

The pulp of first primary molar contains________________?

What is the thickness of the layer of primsless enamel found in primary teeth_____________?

The direction of enamel rods in decidous teeth is_____________?

With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?