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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

Korffs fibres are seen in______________?
A Mantle dentin
B Secondary dentin
C Reactionary dentin
D Indeed dermal tubules
Correct Answer: Mantle dentin
The type of tertiary dentin which contains cellular inclusions is found in_____________?
A Sclerotic dentin
B Mantle dentin
C Predentin
D Osteodentin
Correct Answer: Osteodentin
The organic lining of the calcified dentinal tubules is known as_______________?
A Lamina propria
B Lamina lucida
C Lamina limitans
D Lamina densa
Correct Answer: Lamina limitans
The cells that form secondary dentin are_______________?
A Cementoblasts
B Fibroblasts
C Odontoblasts
D Osteoblasts
Correct Answer: Odontoblasts
Which of the areas of the tooth is most sensitive during cavity preparation ?
A Enamel (anterior teeth)
B Enamel (Posterior teeth)
C Dentin
D Dentinoenamel junction
Correct Answer: Dentin
Transmission of stimulus across dentin is______________?
A Direct activation of nerve endings
B Correlated with the innervation density of the dentin
C Stimulus induced fluid flow
D There is no transmission of stimulus across dentin
Correct Answer: Stimulus induced fluid flow
During the formation of primary teeth_______________?
A Enamel forms more cervically than dentin
B Enamel forms faster than dentin
C Dentin forms faster than enamel
D Processes of their cells remain in content with each other
Correct Answer: Dentin forms faster than enamel
Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following ?
A Greater stainability
B Lasser content of inorganic salts
C greater content of inorganic salts
D Greater content of large collagen fibres
Correct Answer: greater content of inorganic salts
All factors govering dentine permeability EXCEPT_______________?
A Smear layer
B Fluid convection
C Length of dentinal tubules
D Diffusion coefficient
Correct Answer: Fluid convection
The average diameter of coronal dentinal tubules near the pulp is____________?
A 0.2-0.5 microns
B 2-3 microns
C 0.2-0.3 microns
D 7 microns
Correct Answer: 2-3 microns
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