861. The cells of the dental pulp which are responsible for the deposition of reparative dentin are_________?
A. Osteoblasts
B. Odontoblasts
C. Ameloblasts
D. Osteocytes

862. The radicular pulp is continuous with tissues of the periapical area via the____________?
A. Pulp canal
B. Pulp chamber
C. Mental foramen
D. Apical foramen

863. Odontoblasts are derived from______________?

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

864. 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

865. The dental pulp contains nerve endings/receptors for____________?
A. Pain
B. Pressure
C. Proprioception
D. Temperature

866. Pain originate in the pulp due to_________?
A. free nerve ending in cell rich zone
B. free nerve ending at sub odontoblastic layer
C. Krause bulb at the center of the pulp
D. Meissner’s corpuscles at cell rich zone

867. If a child’s teeth do not form, this would primarily effect the growth of the_____________?
A. Basal bone
B. Whole face
C. Mandible
D. Alveolar bone

868. Alveolar process helps in providing_____________?
A. Support and retention to the complete denture
B. Boundaries for the tongue during speech
C. Attachment to muscles of facial expression
D. Support the natural teeth

869. The diameter of the largest arterial vessels in the pulp range from_____________?
A. 50-100 μm
B. 101-150 μm
C. 151-200 μm
D. 201-250 μm

870. Dystrophic calcification is seen most commonly in which of the following oral tissues__________?
A. Enamel
B. Pulp
C. Dentin
D. Periodontal ligament