Deck 9: Dental Pulp

Question 1

Inflammation of the pulp may spread to the ______.

A) dentin
B) enamel
C) predentin
D) periodontium

Answer 1

D

Question 2

The apical foramen is slightly larger in _____ teeth.

A) anterior
B) posterior
C) maxillary
D) mandibular

Answer 2

C

Question 3

Which of the following best defines the zone of Weil?

A) Cell-free region
B) High cell density
C) Concentrated plexus of nerves
D) Large veins,arteries,and pericytes

Answer 3

A

Question 4

How many pulps are present in the permanent dentition?

A) 20
B) 32
C) 52
D) 92

Question 5

Pulpal capillaries are lined with _____.

A) epithelial cells
B) endothelial cells
C) myelinated axons
D) nonmyelinated axons

Question 6

The appearance of an odontoblast in the area of the pulp horns of the pulp is

A) short.
B) cuboidal.
C) palisaded.
D) stratified.

Question 7

Which cell type is predominant in the cell-rich zone?

A) Fibroblasts
B) Osteoblasts
C) Erythroblast
D) Odontoblasts

Question 8

Pulpal cells ___________ with age or trauma.

A) increase
B) decrease
C) disappear
D) stay the same

Question 9

The largest blood vessels found in the dental pulp are

A) arterioles.
B) terminal arterioles.
C) precapillaries.
D) capillaries.

Question 10

Odontoblasts produce which type of collagen?

A) I
B) II
C) III
D) IV

Question 11

The formation of sclerotic dentin is an example of which function of the pulp?

A) Inductive
B) Formative
C) Protective
D) Nutritive

Question 12

The largest part of the odontoblast is the

A) nucleus.
B) Golgi apparatus.
C) process.
D) mitochondria.

Question 13

In which theory is pain the result of odontoblastic movement into nerve endings?

A) Transduction
B) Hydrodynamic
C) Pain transmission
D) Direct innervation

Question 14

Odontoblasts are the second most prevalent type of cell found in the pulp.

Question 15

Accessory canals can result from blood vessels that have obstructed ________ formation.

A) pulp
B) dentin
C) enamel
D) foramen

Question 16

Which of the following is not found in the central part of the pulp?

A) Fibroblasts
B) Cementoblasts
C) Collagen fibers
D) Veins and arteries

Question 17

Which of the following best defines the term radicular pulp?

A) Dental pulp located in the roots of teeth.
B) Pulp with a soft,gelatinous consistency.
C) The opening of root pulp into the periodontium.
D) Dental pulp that occupies the crown of the tooth.

Question 18

Most denticles are

A) true denticles that are embedded within dentin.
B) true denticles that are free in the pulp.
C) false denticles that are embedded within dentin.
D) false denticles that are free in the pulp.

Question 19

Most pulpal nerve endings are located in which area?

A) Pulp horns
B) Central pulp
C) Apical foramen
D) Dentinoenamel junction

Question 20

The largest blood vessels associated with odontoblasts are under control by neurons of the

A) preganglionic parasympathetic autonomic nervous system.
B) postganglionic parasympathetic autonomic nervous system.
C) preganglionic sympathetic autonomic nervous system.
D) postganglionic sympathetic autonomic nervous system.

Question 21

Compared with radicular pulp,coronal pulp is smaller and contains fewer elements.

Question 22

The odontogenic zone is composed of a cell-free zone,a cell-rich zone,odontoblasts,and the parietal plexus of nerves.

Question 23

The pulp becomes smaller with age.

Question 24

Radicular pulp is singular in all permanent teeth.

Question 25

Tight junctional complexes are communication openings between odontoblasts that transmit electrical impulses and small molecules.

Question 26

Pulp stones only occur in erupted teeth.

Question 27

Odontoblasts continually form dentin throughout life.

Question 28

Teeth only perceive the sensation of pain.

Question 29

Desmosomes maintain the positional relationship between cells.

Question 30

Coronal pulp is much smaller than root pulp.

Question 31

Dental pulp is not responsive to temperature change.

Question 32

Pulp stones are ectopic calcifications produced by microtrauma.

Question 33

Pulpal fibrosis is associated more with aging than injury.