M C Q s D r i v e

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.

Which statement is correct about decidous dentition?

A Calcification of maxillary primary first premolar is completed at birth
B Mandibular first molar erupts at one and half years of age
C The crowns of primary dentition are more yellowish than permanent
D The primary dentition is initiated at 10th month in uterus
Correct Answer: Mandibular first molar erupts at one and half years of age

Cervical bulge. True is____________?

A Enamel rods at cervical region directed occlusally
B Results in constriction at cervical region
C Is characteristic of decidous teeth
D All of the above
Correct Answer: Is characteristic of decidous teeth

In the majority of situations, that first decidous tooth to erupt is the____________?

A Mandibular central incisor
B Mandibular first molar
C Maxillary central incisor
D Maxillary second molar
Correct Answer: Mandibular central incisor

The primary lateral incisors begin to calcify about the_____________?

A 4th month of life
B 4th month in utero
C 41/2 month in utero
D 5th month in utero
Correct Answer: 41/2 month in utero

The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

A Central incisors
B Mandibular first molar
C Mandibular second molar
D Canines
Correct Answer: Mandibular first molar

Which of the following has the maximum faciolingual diameter of the crown__________?

A Decidous maxillary 2nd molar
B Decidous maxillary 1st molar
C Decidous mandibular 2nd molar
D Decidous mandibular 1st molar
Correct Answer: Decidous maxillary 2nd molar

Primary dentition period is______________?

A From birth to 11 years
B From 6 months to 11 years
C From 6 months to 6 years
D From 6 years to 11 years
Correct Answer: From 6 months to 6 years

Which of the following decidous molars bears the greatest resemblance to a premolar _____________?

A Maxillary first
B Maxillary second
C Mandibular first
D Mandibular second
Correct Answer: Maxillary first

The number of point angles in a permanent mandibular first molar is_____________?

A 6
B 8
C 4
D 10
Correct Answer: 4

The term diphydont means____________?

A Second dentition
B Two same sets of dentition
C Two separate sets of dentition
D More than two sets of dentition
Correct Answer: Two separate sets of dentition