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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

Secondary cementum is generally confined to_____________?
A Cervical third of the root
B Middle third of the root
C Apical third of the root
D No secondary cementum forms
Correct Answer: Apical third of the root
Cellular cementum and compact bone contain____________?
A Sharpehy’s fibres and elastic fibres
B Collagen fibres and blood vessels
C Canaliculi and incremental lines
D Lacunae and elastic fibres
Correct Answer: Canaliculi and incremental lines
Cellular cementum is____________?
A First formed cementum
B Less calcified than acellular type
C More calcified than acellular type
D Less irregular
Correct Answer: Less calcified than acellular type
Bundle bone is part of____________?
A Periodontal ligament
B Alveolar bone
C Cementum
D Longbones
Correct Answer: Alveolar bone
Hardness of fully mineralized cementum is_____________?
A Less than dentin
B More than dentin
C Equal dentin
D None of the above
Correct Answer: Less than dentin
Which of the following is true of cellular cementum ?
A Forms during root formation
B Forms after the eruption of the tooth
C Seen at the coronal portion of the tooth
D Formation is a slow process
Correct Answer: Forms after the eruption of the tooth
The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
A Twisted
B Curved
C Pulp chamber
D Lateral canal
Correct Answer: Pulp chamber
Intermediate cementum is____________?
A Highly defined cellular zone near cemento – dentinal junction (CDJ)
B Highly defined fibrillar zone near CDJ
C Poorly defined zone near cemento-dentinal junction
D Both a and B
Correct Answer: Poorly defined zone near cemento-dentinal junction
Inorganic content of cementum is______________?
A 45 to 50%
B 50 to 55%
C 55 to 60%
D 60 to 65%
Correct Answer: 45 to 50%
The region in which cementum formation is most rapid is_____________?
A Middle
B Coronal
C Apical
D Interradicular
Correct Answer: Middle
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