Dental Assisting Exam QuestiDental Assisting Exam Questions with Detailed Verified Answersons with Detailed Verified Answers

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Dental Assisting Exam Questions with
Detailed Verified Answers

Question:CH.8
The __________ period of embryonic development lasts from the 2nd week
after conception to the 8th week and includes the early development of the
face.


Ans: Embryonic


Question: CH.8
Which statements about the anatomical crown is correct?


Ans: Enamel covered, Independent of gingiva, Doesn't change over the
tooth's lifetime


Question: CH.8
Which embryonic layer is responsible for dentin formation?


Ans: Mesoderm


Question: CH.8
The early formation of the enamel organ and the dental papilla occurs during
__________ stage of tooth development.

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Ans: Cap


Question: CH.8
What is the term given to embryonic structures that are the origin of the sense
organs?


Ans: Placodes


Question: CH.8
Which term is used to refer to root of the tooth?


Ans: Radicular


Question: CH.8
Which term is used to describe a congenitally missing tooth?


Ans: Anodontia


Question: CH.8
Which type of cell produces dentin?


Ans: Odontoblast


Question: CH.8
What is part of the periodontium?


Ans: Cementum, Periodontal ligament, Alveolar bone


Question: CH.8

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What is the condition that results from a disruption of the final stage of palate
formation?


Ans: Cleft palate


Question: CH.8
What component of the tooth is unable to continue growing after eruption?


Ans: Enamel


Question: CH.8
Which component of tooth is the most highly mineralized and hardest?


Ans: Enamel


Question: CH.8
A patient's teeth are dark in color and many appear to be fractured. Which
congenital conditions might your doctor consider as the cause for this
appearance?


Ans: Dentinogenesis imperfecta


Question: CH.8
A patient has a demineralized large spot in the center of tooth #9. A baseball
hit their baby tooth when they were 6 years old causing damage to the
forming tooth beneath. What is this condition called?


Ans: Turner's spot

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Question: CH.8
Which teeth are NOT considered succedaneous


Ans: Molars


Question: CH.8
As a result of periodontal disease, the patient's "gums" have receded apically,
making the tooth appear much longer. What will be longest, if measured?


Ans: Clinical crown


Question: CH.8
What term is used to refer to primitive oral cavity found in the embryo.


Ans: Stomodeum


Question: CH.9
Structures are termed __________ when they are located toward the back of
the body.


Ans: Posterior


Question: CH.9
What statements about anatomical position is correct?


Ans: Eyes facing forward, Arms at the side, Toes forward


Question: CH.9