All are true about the striae of retzius except___________?

Related Mcqs:

1. Wickham’s striae are seen in:__________?

   A. Lichen planus
   B. Leukoplakia
   C. Leukoedema
   D. Erythema multiformae

2. Incremental lines of Retzius appear_____________?

   A. As lines in the enamel running at right angles to the enamel surface
   B. As lines in the dentin running at right angles to the dentino-enamel junction
   C. In enamel and follow the apposition pattern
   D. In dentin and follow the appositional pattern

3. Incremental lines of retzius are seen in______________?

   A. Enamel
   B. Dentin
   C. Cementum
   D. Pulp

4. The shallow furrows on the enamel surface, where stria of Retzius end are known as _______________ ?

   A. Cracks
   B. Pellicle
   C. perikymata
   D. Enamel lamellae

5. Following are local hormones except___________?

   A. Insulin
   B. Heparin
   C. Bradykinin
   D. Acetylcholine

6. In vitamin A deficiency, patient complains of all of the following except___________?

   A. Night blindness
   B. Xerophthalmia
   C. Keratosis
   D. Phophoric calciuria

7. All are genetic amino acid deficiency disease except___________?

   A. Phenyl ketonuria
   B. Alkaptonuria
   C. Homocystinuria
   D. 6alactosemia

8. The characteristic cells of chronic inflammation are all except___________?

   A. Plasma cells
   B. Macrophages
   C. Lymphocytes
   D. PMN’s

9. All the following increases drug metabolism by activating cytochrome enzyme, EXCEPT___________?

   A. Tetracycline
   B. Cimetidine
   C. Rifampicin
   D. Phenobarbitone

10. Hypodontia is mainly found in all except___________?

    A. Papillion levefre syndrome
    B. Osteopetrosis
    C. Cleidocranialdysostosis
    D. Ectodermal dysplasia