Which of the following structures is not found in a living pulp ?

Related Mcqs:

1. A tooth with a 3 month history of pain, which was worse when hot liquid were in mouth. After extraction, the tooth was split open. The pulp chamber was completely filled with pus. A few remnants of pulp tissue were found in apical end. The condition is:__________?

   A. Acute partial pulpits
   B. Acute total pulpits
   C. Suppurative pulpitis
   D. Strangulation of pulp

2. Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?

   A. Denatured state
   B. Molecular aggregation
   C. Precipitation
   D. Quaternary structure

3. All of the following are true about functions of dental pulp except______________?

   A. Formation of dentin
   B. Nerve supply to dentin
   C. Sends impulses to CNS
   D. Nerve supply to enamel through fibres

4. The plexus of Rashkov is present in which of the following zones in pulp ?

   A. Cell free zone
   B. Cell rich zone
   C. Odontoblastic zone
   D. Pulp core

5. The dental pulp is derived form____________?

   A. Dental papilla
   B. Dental sac
   C. Odontoblasts
   D. Stellate reticulum

6. Cells occurring in greatest number in pulp are______________?

   A. Cementoblasts
   B. Fibroblasts
   C. Osteoblasts
   D. Ameloblasts

7. The cell free zone in pulp lies____________?

   A. Above odontoblast
   B. Below odontoblast
   C. In radicular pulp
   D. In pulp horn

8. Size of pulp chamber____________?

   A. Increases with age
   B. Decreases with age
   C. Increased in some cases and decreases in some cases
   D. None of the above

9. Pulp responds to all stimuli by pain because it has only_______________?

   A. Free nerve endings
   B. Krause end bulbs
   C. Pacinian corpuscle
   D. Ruffini corpuscle

10. Aging process affects pulp tissue by_____________?

    A. Decreasing the size and shape of pulp tissue and cellular component
    B. Increase cellular component at the expenses of fibre component
    C. Increases vascularity of the pulp
    D. Decrease the calcific component of the pulp