Test your basic knowledge |

Dental Assisting: Head And Neck Anatomy

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. Lingual
Inside surface Which is towards the tongue - on anterior teeth
Extreme variations from the norm
A faint line going from the ala of the nose to the corner of the mouth
Duct located on the parotid papilla

2. What are the two ways the TMJs move?
Hinge motion and gliding movement
Bifurcated/ 5 cusps
Retracts the tongue and raises the tip of the tongue
Mandibular central incisors

3. Taste Buds
Bony projection found on the bottom border of the temporal bone
Responsible for laying down the enamel matrix into place
The bone that separates the root on a tooth
Oval structures that are located on the dorsal surface of the tongue

4. Attrition
Conception thru the first two weeks
Biting edge of the teeth
Wearing away of the incisal or occlusal surfaces of the tooth
Small grooves noted on some teeth

5. Lateral Incisor
Allow flexibility during mastication - speech
The development of different tissues
Trigeminal - facial - glossopharyngeal - hypoglossal
Second teeth next to central incisors

6. Mixed Dentition
Forms the bulk of the tooth
Drains the facial structures beginning near the eye and descending toward the mandible
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
A period of both primary teeth and permeant teeth are in the dentition

7. What is the purpose of permanent teeth?
A line of demarcation between the attached gingiva and alveolar mucosa
Upper arch of the teeth
Located behind the ramus of the mandible and branches into five arteries
Cut - tear - and grind food

8. What are the eight landmarks of the face?
The inner surface of the cheeks
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Act to maintain the gingival integrity of the marginal gingiva
Natural teeth in position

9. Mental Artery
A bat shaped bone which forms the anterior portion of the skull
Glands the size of a walnut that lie on the inside of the mandible and empty saliva into the mouth thru the Wharton's duct
Portion of the lips that are red
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip

10. Tubercle of the Lip
A line of demarcation between the attached gingiva and alveolar mucosa
A small projection in the middle of the upper lip
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
Conception thru the first two weeks

11. Facial development
Calcified masses of dentin
4th week
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Two cortical bone plates that come together between each tooth

12. Xygote
Drains the facial structures beginning near the eye and descending toward the mandible
Pulls the hyoid bone and the tongue anteriorly
Conception thru the first two weeks
Depresses the tongue

13. Ligament
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Branches off the inferior alveolar artery before intering the mandibular canal
Band of fibrous tissue which attaches bone to bone

14. Enamel Spindle
Moves the head backward and laterally
Opening in the mouth below the orbit on the maxillary bone
An extension of an unattached gingiva and the tooth
Short tubules that seem to crossover to the enamel

15. Resonance
Full deep rich sound in nasal cavity
Retracts or depresses the tongue
Resulting from an imperfect union where the lobes come together
Appears to be loosely attached - covering the alveolar bone.

16. Palantine Tonsils
Located in a depressed area between the pillars
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Resists intrusive forces that try to push the tooth inwards
The teeth located at the back of the mouth

17. Mylohyoid Artery
Band of fibrous tissue which attaches muscle to bone
A pocket formed by the soft tissue of cheeks and gingiva
Branches off the inferior alveolar artery before intering the mandibular canal
Dividing point of a multi-rooted tooth

18. Posterior Superior Alveolar Nerve
Cluster of tissue that manufactures and secrets fluid
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
Drains the facial structures beginning near the eye and descending toward the mandible
Shaping the tongue during speech - mastication and swallowing

19. Osteoclasts
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Mucosa that covers the alveolar bone
Occurs in unusual ways and distorted crowns may appear

20. Occlusion third
Occlusal surface of the posterior tooth
Tissue covering the alveolar processes
Tooth emerges from gum tissue and becomes visible
Substances between cells

21. Furcation
To bulge of curve outward
Dividing point of a multi-rooted tooth
Forms a large cavity above the roots of the maxillary molars
Calcium salts are deposited into formed tooth

22. lst and second premolars
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Small yellowish glands on the labial mucosa
Teeth after cuspids
Covering over the enamel that is left over from the epithelium ameloblasts

23. Mesenchyme Tissue
Small raised projections where taste buds are located
Primary embryonic mesoderm layer that develops during the morpho differentiation period
The fixed attachment of a muscle
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged

24. Soft Palate
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Largest of the branches of the external carotid artery; supplies facial structure
The corners of the mouth where the top and bottom lip meet
Covers muscle tissue in the posterior portion of the palate

25. Maxillary Arch
Bi-cuspids
Upper arch of the teeth
Scroll like bones outside the nasal cavaties
The development of different forms

26. What kind of root does the maxillary first molar have?
Covers muscle tissue in the posterior portion of the palate
Triferacated
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
The groove below the lower lips that separates the lips from the chin

27. Secondary palate
Elevated are of enamel that forms the Mesial and distal borders
Cheek bones--the most breakable bone in the body
Conception thru the first two weeks
Forms the remaining 2/3 of the hard and soft palate uvula

28. Ameloblast
Enamel forming cells
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Healthy gingival tissue with an orange texture
Covering over the enamel that is left over from the epithelium ameloblasts

29. Xerostomia
Excess dryness of the mouth
Secrete saliva to assist in process of digestion
Forms after the completion of the apical foramen
The line of demarcation between the attached gingiva and the marginal gingiva

30. What are the characteristics of deciduous teeth?
Portion of the root seen in the oral cavity
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Intervating the anterior teeth and the labial gingiva
Constricts the nasopharyngeal passage and elevates the larynx

31. Free Gingiva
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements
Located on the inside of the body of the ramus
Supportive fibers that anchor the tooth to the bone
The portion of the tooth that meets the gingiva

32. Labial Commissures
The corners of the mouth where the top and bottom lip meet
Small raised projections where taste buds are located
The inner surface of the lips
12 years

33. Torus Mandibularis
Allow flexibility during mastication - speech
When cells rapidly increase in number
A faint line going from the ala of the nose to the corner of the mouth
Excess bone formations under the tongue on the alvellar bone

34. Inferior Alveolar Artery
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Corners of the mouth
10 days
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries

35. Fetal Alcohol Syndrome symptons
Small head - low nasal bridge - thin upper lip - small mandible
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Third tooth from the midline
The groove below the lower lips that separates the lips from the chin

36. What are the two muscles of the soft palate?
Portion of the lips where the skin meets the vermilion zone
Palatoglossus - palatopharyngeal
Study of prenatal growth and the developing process of an individual
An extension of an unattached gingiva and the tooth

37. Dentogingival Fiber Groups
Act to maintain the gingival integrity of the marginal gingiva
Resists intrusive forces that try to push the tooth inwards
Enamel forming cells
Biting edge of the teeth

38. Intercellular Substances
Substances between cells
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Depresses the tongue

39. How many cusps/ roots do the 2/3rd maxillary molars have?
Three cusps/ trifurcated
Pulls the hyoid bone and the tongue anteriorly
Draws down the mandible and corners of the mouth
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue

40. Odontal Fiber Groups
Allow flexibility during mastication - speech
Portion of the lips that are red
Small linear depression
Raised vertical folds of tissue on the lateral border of the tongue

41. Papilla
Middle line of the teeth
An overgrowth of the gingival tissue
Small raised projections where taste buds are located
Divides the crown and the root

42. Genial Tubercles
Functions the same as the alveolar cfg; originate in alveolar bone
Small bony projections surrounding the lingual foramen
Upper arch of the teeth
Bluish veins that run the length of the tongue

43. Uvula
Small head - low nasal bridge - thin upper lip - small mandible
A projection that extends off the back of the soft palate
Set of arches found farther in the back of the throat
Forms a large cavity above the roots of the maxillary molars

44. Rami
Formed by the uniting of lobes during development of crown
Two vertical extensions of the mandible
Linear elevation of the tooth
Act to maintain the gingival integrity of the marginal gingiva

45. Maxillary Tuberosity
Composed of mucosa and surrounds the necks of the teeth
A rounded area beyond the last posterior maxillary tooth
Assist in depressing the mandible and elevating the tongue
Molars

46. Incisive Papilla
The teeth located at the back of the mouth
Portion of the lips where the skin meets the vermilion zone
A raised area of tissue laying behind the maxillary central incisors on the hard palate
When cells rapidly increase in number

47. Submandibular Glands

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

48. How many cusps/ roots do the maxillary first molars have?
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Enamel forming cells
4/5 cusps/ 3 roots
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface

49. What is the latin word for molar?
Molaris meaning millstone
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Assist in depressing the mandible and elevating the tongue

50. What is origin and What is insertion?
Cells that form cementum
Growth from the oral epithelium that gives rise to the tooth buds
Origin - fixed point - insertion - movable point
Function to resist rotational forces and tilting