Pulp MCQs _ Oral Histology MCQs
Pulp MCQs (Oral Histology MCQs)
Pulp MCQs
Oral Histology MCQs
Pulp MCQs _ Oral Histology MCQs
- Which of the following is true:
A. Pulpal pressure is highest among body tissues
B. Majority of nerve that enter the pulp are non myelinated and are sympathetic in nature
C. Plexus of Rashkow or parietal layers of nerves is formed by network of peripheral axons located adjacent to cell rich zone
D. All of the above
- Which of the following is not correct:
A. Free denticles are entirely surrounded by pulp tissue(free of dentin)
B. Embedded denticles are entirely surrounded by dentin (embedded in dentin)
C. Attached denticles are partly fused with dentin
D. False denticles contains many dentinal tubules
- 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
- Dystrophic calcification is seen most commonly in which of the following oral tissues:
A. Enamel
B. Pulp
C. Dentin
D. Periodontal ligament
- Unmyelinated nerve fibres of pulp are:
A. Sensory in nature
B. Respond to hot and cold
C. carry pain sensation
D. Associated with blood vessels and are sympathetic in nature
- Protein secreted by odontoblast:
A. Chitin
B. Keratin
C. Collagen
D. Elastin
- The development of pulp begins:
A. 6th week of IU
B. 8th week of IU
C. 10th week of IU
D. 18th week of IU
- Regressive changes in pulp include:
A. Increased fibrotic component
B. Decreased cellular component
C. Calcification in blood vessels near apical foramen
D. All of the above
- The 2nd most prominent cells in pulp are:
A. Fibroblasts
B. defense cells
C. Odontoblasts
D. Histocytes or resting wandering cell
- The total volumes of all permanent pulp organ:
A. 0.38 cc
B. 0.58 cc
C. 0.02 cc
D. 3.8 cc
- 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
- Pulp tissue contains all except:
A. Fibroblasts
B. Capillary
C. Osteoblasts
D. Ameloblasts
- Propriceptors are seen in all except:
A. Skeletal muscle
B. TMJ
C. Pulp
D. None of the above
- Pericytes are found:
A. In thymus
B. Around capillaries of pulp
C. In gallbladder
D. Along with heparin on surface of mast cells
- The cells of the dental pulp which are responsible for the deposition of reparative dentin are:
A. Osteoblasts
B. Odontoblasts
C. Ameloblasts
D. Osteocytes
- 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
- Odontoblasts are derived from:
A. Undifferentiated mesenchymal
B. Histocytes
C. Macrophages
D. Lymphocytes
- 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
- The dental pulp contains nerve endings/receptors for:
A. Pain
B. Pressure
C. Proprioception
D. Temperature
- 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. Meisseners corpuscles at cell rich zone
- Vitality of pulp depends on:
A. Blood supply
B. Nerve supply
C. Lymphatic supply
D. All of the above
- The primary response of the pulp to tissue destruction is:
A. Necrosis
B. Ulceration
C. Calcific degeneration
D. Inflammation
- 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
- 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
- The average life time of primary pulp in oral cavity is:
A. 8.3 years
B. 2 years
C. 7 years
D. 3 years
- The fibroblasts associated with capillaries are:
A. Plasma cell
B. Histocytes
C. Lymphocytes
D. Pericytes
- The size of apical foramen of maxillary teeth in adult is:
A. 0.4 mm
B. 0.3 mm
C. 0.2 mm
D. 0.7 mm
- The number of pulp organs in a person in:
A. 32
B. 50
C. 52
D. 62
- The cell free zone in pulp lies:
A. Above odontoblast
B. Below odontoblast
C. In radicular pulp
D. In pulp horn
- Cells occurring in greatest number in pulp are:
A. Cementoblasts
B. Fibroblasts
C. Osteoblasts
D. Ameloblasts
- The odontoblasts killed during cavity preparation are derived from:
A. Unaffected odontoblasts from the pulp
B. Undifferentiated cells
C. Histocytes
D. Osteoblasts
- Histologically the dental pulp most closely resembles:
A. Nerve tissue
B. Vascular tissue
C. Granulation tissue
D. Loose connective tissue
- The dental pulp is derived form:
A. Dental papilla
B. Dental sac
C. Odontoblasts
D. Stellate reticulum
- Weil’s zone of pulp is:
A. Cell degenerated zone
B. Cell rich zone
C. Cell regenerated zone
D. cell free zone
- The primary function of the dental pulp is:
A. Nutritive
B. Production of dentin
C. Production of enamel
D. Vascular supply to the teeth
- 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 fibers
- Which of the following structures is not found in a living pulp :
A. Collagen fibres
B. Haversian fibres
C. Non-myelinated nerve fibres
D. Reticulum
