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Test your basic knowledge |
Dental Assisting: Head And Neck Anatomy
Start Test
Study First
Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Sublingual Glands
The smallest of the salivary glands located on the floor of the mouth which empty into the mouth thru either the ducts of Rivinus or Bartholin
Week 12
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
The portion of the tooth that meets the gingiva
2. Which molar contains the cusp of Caribelli?
The ridges that run horizontally across the hard palate behind the incisive papilla
12 years
Maxillary first molar
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
3. Stensens' Duct (aka Parotid)
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4. Apposition
The development of different tissues
Small yellowish glands on the labial mucosa
20
Calcium salts are deposited into formed tooth
5. Genial Tubercles
Extends from the mucogingival junction to the gingival groove
Small bony projections surrounding the lingual foramen
Teeth will not erupt in proper position
The groove below the lower lips that separates the lips from the chin
6. Alveolar Mucosa
Appears to be loosely attached - covering the alveolar bone.
The slightly raised line extending down the middle of the hard palate
Found near the cementoenamel junction
The portion of the tooth that meets the gingiva
7. Convex
Moves the head backward and laterally
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Surface away from the midline
To bulge of curve outward
8. Rod Core
Looking at the border of the tongue
Inner portion of the enamel rod
To dissolve
Platysma - trapezius - sternocleidomastoid
9. Lateral Incisor
The development of different forms
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Used to pulverize food
Second teeth next to central incisors
10. Philtrum
A shallow v-shaped depression located below the bottom of the nose and above the lips
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Teeth will not erupt in proper position
Excess dryness of the mouth
11. Cleft Uvula
Mildest form of cleft palate
Indented
Of or pertaining to area surrounding naval cavity
A bony projection that separates each socket
12. Cuspid
Conception thru the first two weeks
Third tooth from the midline
6 months/3years
The teeth located at the back of the mouth
13. How much saliva is produced daily?
Supplies blood to the roots and periodontal ligaments of the molars and premolars
1500 millimeters
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Located behind the ramus of the mandible and branches into five arteries
14. Secondary palate
Constricts the nasopharyngeal passage and elevates the larynx
Short tubules that seem to crossover to the enamel
Bi-cuspids
Forms the remaining 2/3 of the hard and soft palate uvula
15. Maxillary Tuberosity
The inner surface of the lips
A rounded area beyond the last posterior maxillary tooth
Fleshy elevation under the tongue
Disk that acts like a cushion between the temporal bone and the condyloid process
16. Sublingual Caruncles
2 small raised folds of tissue where the lingual frenum attaches
Linear elevation of the tooth
Oval structures that are located on the dorsal surface of the tongue
Calcium salts are deposited into formed tooth
17. When does the maxillary second molar erupt?
12 years
Small linear depression
The inner surface of the cheeks
Substances between cells
18. Internal Jugular Vein
The development of different forms
Draws the hyoid bone superiorly and posteriorly and stabilizes it
Forms the remaining 2/3 of the hard and soft palate uvula
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
19. Posterior Superior Alveolar Nerve
The layer of dentin that surrounds the pulp
Joined at the midline and are often referred to as the median Palatine suture
The corners of the mouth where the top and bottom lip meet
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
20. Enamel Spindle
Substances between cells
Short tubules that seem to crossover to the enamel
Bluish veins that run the length of the tongue
Outside surface Which is towards the lips
21. Facial development
The largest of three openings located in the posterior region of the hard palate
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
9 weeks thru birth
4th week
22. Angle of the Mandible
Genioglossus - hyoglossus - styloglossus - palatoglossus
Cells that form dentin
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Where the ramus meets the body of the mandible on the outside border
23. Nasolacrimal groove
Extends from the medial corner of the eye to the nasal cavity
Quarters of the teeth
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Narrow long enamel tuft
24. Dentinal Tubules
Natural teeth in position
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
A rounded area beyond the last posterior maxillary tooth
Tubules that pass through the entire surface of the dentin
25. Lacrimal Bones
The study of the microscopic structure and functions of tissues
The ridges that run horizontally across the hard palate behind the incisive papilla
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
When the surface of the teeth becomes grooved
26. Contour Lines of Owen
Demonstrates a disturbance in the body metabolism
A flap of tissue on the on the buccal mucosa
The crown of the tooth that is nearest the incisal edge near the anterior tooth
Excess dryness of the mouth
27. Proliferation
Act to maintain the gingival integrity of the marginal gingiva
Formed by the uniting of lobes during development of crown
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Where the ectoderm layer matures into the enamel
28. Primary Dentin
Extends from the medial corner of the eye to the nasal cavity
Drains the maxiallary artery and superficial temporal arteries
Forms the bulk of the tooth
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
29. When does the maxillary first molar erupt?
6 years old
A junction or center of veins that directly or indirectly drain a vast area
The inner surface of the lips
Used to pulverize food
30. Anterior Tonsillar Pillar
Duct located on the parotid papilla
A projection that extends off the back of the soft palate
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Forms the remaining 2/3 of the hard and soft palate uvula
31. Intercellular Substances
Substances between cells
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Pointed or rounded mounds on the crown of the tooth
Place where the groove comes together or fissures cross
32. Pterygoid Process
Wings of the sphenoid bone
The first predentin that is formed and matures within the tube
The disc becomes displaced
Small raised projections where taste buds are located
33. What is the function of the buccle nerve branch?
Creates the wall of the dentinal tubule
Pointed or rounded mounds on the crown of the tooth
Clear fluid secreted by the salivary and mucous glands throughout the mouth
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
34. How many teeth are in the permanent set of teeth?
When cells rapidly increase in number
Wearing away of the incisal or occlusal surfaces of the tooth
32
The bone that separates the root on a tooth
35. Cleft Palate
Wearing away of the incisal or occlusal surfaces of the tooth
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
Dentin found between the tubules
Contains six branches that supply blood to the pharynx muscles - soft palate tonsils - the posterior of the tongue - sub mandibular gland - muscles of the face - nasal septom - nose and the eyelids
36. Attrition
Three bulges on the incisal edge
Wearing away of the incisal or occlusal surfaces of the tooth
Natural teeth in position
Developmental segment of a tooth
37. Muscle Insertion
The moveable attachment of the muscle
Wearing away of the incisal or occlusal surfaces of the tooth
The crown of the tooth that is nearest the incisal edge near the anterior tooth
The development of different forms
38. How many cusps/ roots do the maxillary first molars have?
Middle line of the teeth
4/5 cusps/ 3 roots
The teeth located at the back of the mouth
Draws the hyoid bone superiorly and posteriorly and stabilizes it
39. Lamina Propria
Bone that surrounds the root of the tooth
The connective tissue of the marginal gingiva
Arteries supplying blood to most of the head and the neck
Supplies blood to the roots and periodontal ligaments of the interior teeth
40. Bud stage
Separation of the upper lip ( 1 of 1000 live births)
Initiation of the tooth begins
Assist in depressing the mandible and elevating the tongue
A line that represents the alveolus bone lining the socket
41. Gingiva
Extends from the medial corner of the eye to the nasal cavity
Aid in attaching the gingiva to the alveolar bone
A dense tissue covered with mucous membrane that can withstand chewing
Arteries supplying blood to most of the head and the neck
42. Mucogingival Junction
Maxillary third molar
Short tubules that seem to crossover to the enamel
A line of demarcation between the attached gingiva and alveolar mucosa
6 months/3years
43. What are the characteristics of permanent teeth?
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Band of fibrous tissue which attaches bone to bone
Enamel is thinner - pulp chamber is smaller -
The groove below the lower lips that separates the lips from the chin
44. Fetal Alcohol Syndrome symptons
Small head - low nasal bridge - thin upper lip - small mandible
Portion of the lips where the skin meets the vermilion zone
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Calcified masses of dentin
45. Mesenchyme Tissue
Draws down the mandible and corners of the mouth
Looking at the border of the tongue
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Forms the bulk of the tooth
46. Dentinal Hypersensitivity
When the dentin is exposed
Cut - tear - and grind food
Occlusal surface of the posterior tooth
The connective tissue of the marginal gingiva
47. Mental Protuberance
Where the proximal sides of two teeth come together and touch
The tip of the chin
Papillae that give the tongue the strawberry effect
Forms into dentin - cementum and pulp of the teeth
48. Gingival Sulcus
Occlusal surface of the posterior tooth
Small head - low nasal bridge - thin upper lip - small mandible
The space between the unattached gingiva and the tooth
2 small raised folds of tissue where the lingual frenum attaches
49. Mastoid process
Study of the structure and form of the teeth
Mastication - aids in speech - influence facial structure - chewing surfaces
Bony projection found on the bottom border of the temporal bone
The gingiva in the floor of the gingival sulcus that attaches to the enamel
50. Gingival Groove
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Enamel is thinner - pulp chamber is smaller -
The line of demarcation between the attached gingiva and the marginal gingiva
Pointed or rounded mounds on the crown of the tooth