Odontoblasts are derived from______________?

Related Mcqs:

1. The odontoblasts killed during cavity preparation are derived from_____________?

   A. Unaffected odontoblasts from the pulp
   B. Undifferentiated cells
   C. Histocytes
   D. Osteoblasts

2. Formation of dentin by odontoblasts begins in_______________?

   A. Morphogenic stage
   B. Organizing stage
   C. Desmolytic stage
   D. Formative stage

3. Mirgration of odontoblasts into dentinal tubules occurs during ________________?

   A. Cavity preparation
   B. Dehydration
   C. Water irrigation
   D. None of the above

4. Dentinogenesis by odontoblasts first begins at_____________?

   A. Pulpal end
   B. Cusp tip
   C. Tooth bud stage
   D. Cervical area

5. Which of the following is a derived a derived protein_____________?

   A. Protamines
   B. Peptones
   C. Prolamines
   D. Lactalbumin

6. Hertwig’s root sheath is formed from______________?

   A. Stratum inter medium
   B. Stellate reticulum
   C. Outer enamel epithelium
   D. Cervical loop

7. The reabsorption of sodium chloride is increased in proximal convoluted tubules by hormones secreted from______________?

   A. Anterior pituitary
   B. Posterior pituitary
   C. Adrenal cortex
   D. Adrenal medulla

8. Meckel’s cartilage extends from______________?

   A. Otic capsule
   B. Styloid bone
   C. Hyoid cartilage
   D. None of the above

9. The incidence of allergy to penicillin among various population ranges from______________?

   A. 1% to 10%
   B. 10% to 20%
   C. 20% to 30
   D. 30% to 40%

10. A patient with multiple impacted supernumerary teeth and can bring his shoulders together is suffering from______________?

    A. Klinefelter’s syndrome
    B. Trisomy 21
    C. Down’s syndrome
    D. Cleidocranial dysostosis