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Dental Assisting Exam|258 Questions and Answers
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Dental Assisting Exam|258 Questions and Answers
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Dental Assisting Exam|258 Questionsand Answers
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. - -Embryonic
- CH.8
Which statements about the anatomical crown is correct? - -Enamel
covered, Independent of gingiva, Doesn't change over the tooth's lifetime
- CH.8
Which embryonic layer is responsible for dentin formation? - -Mesoderm
- CH.8
The early formation of the enamel organ and the dental papilla occurs during
__________ stage of tooth development. - -Cap
- CH.8
What is the term given to embryonic structures that are the origin of the
sense organs? - -Placodes
- CH.8
Which term is used to refer to root of the tooth? - -Radicular
- CH.8
Which term is used to describe a congenitally missing tooth? - -Anodontia
- CH.8
Which type of cell produces dentin? - -Odontoblast
- CH.8
What is part of the periodontium? - -Cementum, Periodontal ligament,
Alveolar bone
- CH.8
What is the condition that results from a disruption of the final stage of
palate formation? - -Cleft palate
- CH.8
What component of the tooth is unable to continue growing after eruption? -
-Enamel
, - CH.8
Which component of tooth is the most highly mineralized and hardest? - -
Enamel
- 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? - -Dentinogenesis imperfecta
- 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? - -Turner's spot
- CH.8
Which teeth are NOT considered succedaneous - -Molars
- 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? - -Clinical crown
- CH.8
What term is used to refer to primitive oral cavity found in the embryo. - -
Stomodeum
- CH.9
Structures are termed __________ when they are located toward the back of
the body. - -Posterior
- CH.9
What statements about anatomical position is correct? - -Eyes facing
forward, Arms at the side, Toes forward
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a brown dot? - -Mental
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a purple dot? - -Frontal
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has an orange dot? - -Buccal
, - CH.9
Using your head positions paper- Looking at the view of the head, which area
has a blue dot? - -Orbital
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a grey dot? - -Oral
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a pink dot? - -Infraorbital
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a white dot? - -Occipital
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a yellow dot? - -Zygomatic
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has an black dot? - -Parietal
- CH.9
Using your head positions paper- Looking at the view of the head, which area
has a green dot? - -Temporal
- CH.9
The lingual nerve, which is a branch of the mandibular nerve, controls
tongue movement. - -False
- CH.9
The ___________ muscle is responsible for elevating and retracting the
mandible. - -Temporalis
- CH.9
Which nerve is responsible for providing sensation to the lower lip and chin? -
-Mental Nerve
- CH.9
The condyle of the TMJ is capable of two types of movements, those are? - -
Hinge and glide
- CH.9
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