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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

A special feature of the periodontal ligament fibroblasts is______________?
A The number or organelles
B Presence of actin fibres and shape change
C size of the cells
D Collagen fibre formation
Correct Answer: Presence of actin fibres and shape change
The component of future T.M.J shows development at _____________?
A 6 weeks
B 10 weeks
C 18 weeks
D 16 weeks
Correct Answer: 10 weeks
Centre of the disc in TMJ is_____________?
A Avascular
B Devoid of nervous tissue
C Avascular & deviod of nervous tissue
D None of the above
Correct Answer: Avascular
Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?
A Due to deposition of cementum and bone
B Down growths of gingival epithelium
C Gingival cysts formed from cell rests
D Reversal of function of horizontal and oblique fibres
Correct Answer: Due to deposition of cementum and bone
The main function of horizontal fibres of P.D ligament is____________?
A Prevent extrusion
B Prevent rotation
C Maintains the mesiodistal width
D All of the above
Correct Answer: Maintains the mesiodistal width
The rest of malassez in the periodontal ligament are derived from_____________?
A Dental pulp
B Lamina propria
C Odontogenic epithelium
D Vestibular lamina
Correct Answer: Odontogenic epithelium
The most abundant group of fibres in the PDL are_____________?
A Trans-septal
B Horizontal
C Oblique
D Apical
Correct Answer: Oblique
True about osteoclasts_____________?
A Monocytes are precursor cells of osteoclasts
B The plasma membrane of osteoclasts adjacent to bone that is being resorbed is known as striated or ruffled border
C Contain lysosomes with acid phosphates
D All of the above are true
Correct Answer: All of the above are true
Sharpey’s fibres are present in_______________?
A Bone
B Periosteum
C Periodontal ligament
D All of the above
Correct Answer: Bone
Intermediate plexus is absent in which of the following principle fibres_____________?
A Gingival
B Oblique
C Horizontal
D Transseptal
Correct Answer: Gingival
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