Relias Dysrhythmia Basic A Test – 2025/2026 – Complete
Questions and Correct Answers with Explanations
55 VERIFIED QUESTIONS AND CORRECT
ANSWERS|A+GRADED
Question:1
The tissue(s) that have nerve innervations are
a. Dentin
b. Pulp and dentin
c. Pulp and periodontal ligaments
d. Cementum
e. All of the above..ANSWER..c. Pulp and periodontal ligaments
Question:2
Free, unmyelinated nerve endings of the pulp can sense:
a. hot
b. cold
c. pressure
d. pain
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,e. all of above..ANSWER..d. pain
The free unmyelinated nerve endings of the pulp tissue can sense pain
only. It cannot distinguish between hot or cold. It cannot distinguish
the sensation of pressure. All stimuli are interpreted as a pain
perception. The encapsulated nerve endings are responsible for
registering pressure changes
Question:3
nonsuccedaneous permanent molars develop from tooth buds that
frow from
a. a successional dental lamina
b. primary tooth buds
c.the posterior part of the palatal shelves
d. extension of the primary second molar's dental lamina..ANSWER..d.
extension of the primary second molar's dental lamina
Six permanent molars per dental arch develop from a posterior
extension of the dental lamina
Question:4
What is the angled part of the ameloblast that secretes the enamel
matrix?
a. inner enamel epithelium
b. repolarized pre ameloblasts
c. tomes process
,d. disintegrating basement membrane...ANSWER..c. tomes process
Question:5
The pink labial mucosa or buccal mucosa meets the redder______ at
the mucobucccal fold
a. marginal gingiva
b. attached gingiva
c. alveolar mucosa..ANSWER..c. alveolar mucosa
The pink labial mucosa or buccal mucosa meets the redder alveolar
mucosa at the mucobuccal fold deep with the vestibular fornix.
Question:6
The outer cells of the dental papilla are induced to differentiate during
tooth development
a. pulp tissue
b. preameloblasts
c. odontoblasts
d. cementoblasts..ANSWER..c. odontoblasts
Outer cells differentiate into dentin-secreting cells, odontoblasts
, Question:7
Which stage of tooth formation occurs for the primary dentition during
the eleventh and twelfth week of prenatal development?
a. bell stage
b. initiation stage
c. cap stage
d. bud stage..ANSWER..a. bell stage
The eleventh and twelfth week of prenatal development is the fourth
stage of
Odontogenesis the Bell Stage
Question:8
What is the connective tissue derived from during prenatal
development?
a. ectoderm
b. endoderm
c. neural crest cells
d. mesoderm..ANSWER..d. mesoderm
Question:9
Enamel ______ forms the crystalline structural units of enamel?
a. Tubles
b. granules
Questions and Correct Answers with Explanations
55 VERIFIED QUESTIONS AND CORRECT
ANSWERS|A+GRADED
Question:1
The tissue(s) that have nerve innervations are
a. Dentin
b. Pulp and dentin
c. Pulp and periodontal ligaments
d. Cementum
e. All of the above..ANSWER..c. Pulp and periodontal ligaments
Question:2
Free, unmyelinated nerve endings of the pulp can sense:
a. hot
b. cold
c. pressure
d. pain
1|Page
,e. all of above..ANSWER..d. pain
The free unmyelinated nerve endings of the pulp tissue can sense pain
only. It cannot distinguish between hot or cold. It cannot distinguish
the sensation of pressure. All stimuli are interpreted as a pain
perception. The encapsulated nerve endings are responsible for
registering pressure changes
Question:3
nonsuccedaneous permanent molars develop from tooth buds that
frow from
a. a successional dental lamina
b. primary tooth buds
c.the posterior part of the palatal shelves
d. extension of the primary second molar's dental lamina..ANSWER..d.
extension of the primary second molar's dental lamina
Six permanent molars per dental arch develop from a posterior
extension of the dental lamina
Question:4
What is the angled part of the ameloblast that secretes the enamel
matrix?
a. inner enamel epithelium
b. repolarized pre ameloblasts
c. tomes process
,d. disintegrating basement membrane...ANSWER..c. tomes process
Question:5
The pink labial mucosa or buccal mucosa meets the redder______ at
the mucobucccal fold
a. marginal gingiva
b. attached gingiva
c. alveolar mucosa..ANSWER..c. alveolar mucosa
The pink labial mucosa or buccal mucosa meets the redder alveolar
mucosa at the mucobuccal fold deep with the vestibular fornix.
Question:6
The outer cells of the dental papilla are induced to differentiate during
tooth development
a. pulp tissue
b. preameloblasts
c. odontoblasts
d. cementoblasts..ANSWER..c. odontoblasts
Outer cells differentiate into dentin-secreting cells, odontoblasts
, Question:7
Which stage of tooth formation occurs for the primary dentition during
the eleventh and twelfth week of prenatal development?
a. bell stage
b. initiation stage
c. cap stage
d. bud stage..ANSWER..a. bell stage
The eleventh and twelfth week of prenatal development is the fourth
stage of
Odontogenesis the Bell Stage
Question:8
What is the connective tissue derived from during prenatal
development?
a. ectoderm
b. endoderm
c. neural crest cells
d. mesoderm..ANSWER..d. mesoderm
Question:9
Enamel ______ forms the crystalline structural units of enamel?
a. Tubles
b. granules
