Hertwig’s root sheath is formed from______________?

Related Mcqs:

1. Hertwig’s epithelial root sheath is made up of_______________?

   A. Outer and inner enamel epithelium
   B. Stratum intermedium
   C. Stellate reticulum
   D. Hyaline layer of Hopewell-smill

2. Remnants of the Hertwig’s root sheath are found in____________?

   A. Gingiva
   B. Alveolar bone
   C. Periodontal ligament
   D. Cementum

3. The hertwig’s epithelial root shealth is essential to development of the root because it_______________?

   A. Gives rise to cementoblasts that produce cementum of the root
   B. Moulds the shape of roots and stimulates differentiation of odontoblasts
   C. Given rise to odontoblasts that lay down dentin of the root
   D. Remians as an essential constituents of the periodontal ligament

4. Creatine is formed metabolically from______________?

   A. Tryptophan
   B. Arginine
   C. Phenylalanine
   D. Histidine

5. The type of dentin that is formed prior to root completion______________?

   A. Inter tubular dentin
   B. Peritubular dentin
   C. Circum pulpal dentin
   D. Secondary dentin

6. Carotid sheath contains all except______________?

   A. Carotid artery
   B. Internal jugular vein
   C. Vagus nerve
   D. Phrenic nerve

7. Carotid sheath contains all except______________?

   A. Vagus nerve
   B. Internal carotid artery
   C. Common carotid artery
   D. External carotid artery
   E. Internal jugular vein

8. Odontoblasts are derived from______________?

   A. Undifferentiated mesenchymal
   B. Histocytes
   C. Macrophages
   D. Lymphocytes

9. Salmonella typhi can be isolated at different times from______________?

   A. Feaces
   B. Blood
   C. Urine
   D. All of the above

10. Prostaglandins are synthesized from______________?

    A. RNA template
    B. Rough endoplasmic reticulum
    C. Polyunsaturated fatty acids
    D. None of the above