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.

Blunt cell processes seen on the developing ameloblasts are celled as________________?
A Tomes fibres
B Tomes layer
C Tomes processes
D Odontoblastic processes
Correct Answer: Tomes fibres
Following is not an external manifestation of enamel________________?
A Enamel tufts
B Enamel lamella
C Incremental lines of enamel
D Enamel cuticle
Correct Answer: Enamel tufts
Hunter Schreger band are____________?
A Dark and light bands of enamel seen in longitudinal ground section
B Dark and light bands of enamel seen in horizontal ground section
C Dark and light brands of dentin seen in longitudinal section
D Dark and light bands of dentin seen in horizontal
Correct Answer: Dark and light bands of enamel seen in longitudinal ground section
The percentage of inorganic matter in fully developed enamel is about____________?
A 66%
B 76%
C 86%
D 96%
Correct Answer: 96%
Non acidic, nonionic protein which helps in enamel mineralization _______________?
A Tuftelin
B Sheathlin
C Enamelin
D Amelogenin
Correct Answer: Amelogenin
Which of the following is correct about enamel crystals ?
A Same as dentin crystals
B Contains organic portion in the center
C Roughly texagonal in shape
D Their diameter is about 5 microns in size
Correct Answer: Roughly texagonal in shape
Maximum amount of phosphate is seen in_______________?
A Bone
B Enamel
C Gingiva
D Dentin
Correct Answer: Enamel
Neonatal lines are seen in_______________?
A Enamel of deciduous incisiors
B Enamel of permanent incisors
C Enamel of premolars
D Dentin of all teeth, as if is formed first
Correct Answer: Enamel of deciduous incisiors
narled enamel is seen in_____________?
A Proximal surface of tooth
B Cervical region of tooth
C Cusp tips of tooth
D All of the above
Correct Answer: Cusp tips of tooth
The thickness of prismless enamel in diciduous teeth is______________?
A 25 μ m
B 50 μ m
C 75 μ m
D 100 μ m
Correct Answer: 25 μ m