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. Marginal Ridges
Dividing point of a multi-rooted tooth
The fixed attachment of a muscle
Linear elevation of the tooth
Elevated are of enamel that forms the Mesial and distal borders

2. Lateral Incisor
Second teeth next to central incisors
Ligaments and muscles of mastication
Opening in the mouth below the orbit on the maxillary bone
When the dentin is exposed

3. Retro Mandibular Vein
Natural teeth in position
To dissolve
Interdental ligament
Drains the maxiallary artery and superficial temporal arteries

4. Interdental Septum
Small head - low nasal bridge - thin upper lip - small mandible
A bony projection that separates each socket
Separation of the upper lip ( 1 of 1000 live births)
Opening for the ear

5. Soft Palate
Covers muscle tissue in the posterior portion of the palate
Duct located on the parotid papilla
Vertical groove on the midline of the upper lip
Second teeth next to central incisors

6. If a patient receives toxic agents - how long does it take for their sense of taste to return?
10 days
Band of fibrous tissue which attaches bone to bone
Week 12
Platysma - trapezius - sternocleidomastoid

7. Enamel Tufts
Small dark brushes
Drains the facial structures beginning near the eye and descending toward the mandible
Largest of the branches of the external carotid artery; supplies facial structure
Drains the superficial veins of the face and neck into the subclavian vein

8. What are the 4 extrinsic muscles of the tongue
Small yellowish glands on the labial mucosa
An overgrowth of the gingival tissue
Bluish veins that run the length of the tongue
Genioglossus - hyoglossus - styloglossus - palatoglossus

9. External Carotid Artery
Supplies blood to the face and oral cavity
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Dentin found between the tubules
4/5 cusps/ 3 roots

10. Cementoblast
Incremental lines around the layers of the enamel matrix
Mucosa that covers the alveolar bone
Middle two teeth in the mouth
Cells that form cementum

11. External Auditory Meatus
Pointed elongations of the pulp
Follows the inside of the ramus and the body of the mandible
Opening for the ear
Allow flexibility during mastication - speech

12. Papilla
Small raised projections where taste buds are located
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Largest facial bone with two sections joined at the median suture
Bicuspids

13. Sublingual Glands
The teeth located at the back of the mouth
Lower arch of the teeth
Drains the superficial veins of the face and neck into the subclavian vein
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

14. Function of Hyoglossus
A line that represents the alveolus bone lining the socket
Depresses the tongue
Function to resist rotational forces and tilting
32

15. Articular Disc
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
2 to 3 pints
Linear elevation of the tooth
Rounded depression on a tooth

16. Lingual Frenum
A line of tissue that extends from the tongue to the floor of the mouth
Buccal - lingual - and inferior alveolar
Extends from the medial corner of the eye to the nasal cavity
Allow flexibility during mastication - speech

17. Function of Stylohyoid
Draws the hyoid bone superiorly and posteriorly and stabilizes it
Small linear depression
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Study of prenatal growth and the developing process of an individual

18. Fetus
9 weeks thru birth
Two weeks thru 8th week
Study of the structure and form of the teeth
The development of different tissues

19. How is the TMJ supported and what controls their movement?
Ligaments and muscles of mastication
An overgrowth of the gingival tissue
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
A raised white line that runs parallel to where the teeth meet on the buccal mucosa

20. Imbritation Lines of Von Eboner
Forms the bulk of the tooth
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Fleshy elevation under the tongue
Stained growth rings in dentin

21. Imbracation Lines
Synovial fluid
Small curved lines that run parellel to the CEJ
A bony projection that separates each socket
A bat shaped bone which forms the anterior portion of the skull

22. Interdental Gingiva
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
An extension of an unattached gingiva and the tooth
Supplies blood to the brain and the eyes
Supportive fibers that anchor the tooth to the bone

23. What is the latin word for molar?
Stained growth rings in dentin
Molaris meaning millstone
Orbicularis oris - buccinator - mentalis - zygomatic major
The line of demarcation between the attached gingiva and the marginal gingiva

24. Attrition
The moveable attachment of the muscle
Wearing away of the incisal or occlusal surfaces of the tooth
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
The development of different cells

25. What are the two muscles of the soft palate?
Palatoglossus - palatopharyngeal
A dense tissue covered with mucous membrane that can withstand chewing
Portion covered with cementum
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle

26. Cuspid
The tip of the chin
Lining covers inside of the oral cavity
Third tooth from the midline
Vertical groove on the midline of the upper lip

27. Distal
Surface away from the midline
Peg shaped crown with a smooth surface
Formed by the fibroblast cells and secures the tooth in the socket
A horseshoe shaped bone lying at the base of the tongue--all the muscles of the tongue and the floor of the mouth attach to this bone

28. What are the 4 taste senses and where are they located?
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
An enclosed area that matures into dentin - cementum and pulp
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue

29. Labial Mucosa
Natural teeth in position
The inner surface of the lips
Middle two teeth in the mouth
Separation of the upper lip ( 1 of 1000 live births)

30. Function of Sternocleidomastoid
Assists in elevating the chin
Retracts or depresses the tongue
Located in a depressed area between the pillars
Quarters of the teeth

31. What is saliva made of?
Mandibular central incisors
Used to pulverize food
H20 - mucin - organic salts and digestive enzymes
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

32. Enamel Dysplasia
6 years old
Third tooth from the midline
When the surface of the teeth becomes grooved
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip

33. What ligament is retained the longest during periodontal disease?
Pointed elongations of the pulp
Week 11
Formed by the fibroblast cells and secures the tooth in the socket
Interdental ligament

34. Sharpey's Fibers
Bone that surrounds the root of the tooth
Developmental segment of a tooth
Acts as anchors between the alveolar bone and the tooth
Located behind the ramus of the mandible and branches into five arteries

35. Buccal
Outside surface Which is towards the cheek - on posterior teeth
Mastication - aids in speech - influence facial structure - chewing surfaces
Wearing away of the incisal or occlusal surfaces of the tooth
A pocket formed by the soft tissue of cheeks and gingiva

36. Vestibule
Study of prenatal growth and the developing process of an individual
The connective tissue of the marginal gingiva
A pocket formed by the soft tissue of cheeks and gingiva
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth

37. Common Carotid
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Arteries supplying blood to most of the head and the neck
H20 - mucin - organic salts and digestive enzymes
Acts as anchors between the alveolar bone and the tooth

38. Submandibular Glands

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

39. Naso Palatine Nerve
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Divides the crown and the root
1500 millimeters
Duct located on the parotid papilla

40. What are the four main functions of deciduous teeth?
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Oval depression of temporal bone in condyloid process
Mastication - aids in speech - influence facial structure - chewing surfaces
Lower arch of the teeth

41. Morpho differentiation
Tissue fluid surrounding the cell membrane of the odontoblast
Stained growth rings in dentin
The development of different forms
2 small raised folds of tissue where the lingual frenum attaches

42. Sublingual Sulcus
Portion of the root seen in the oral cavity
The study of the microscopic structure and functions of tissues
A horseshoe shaped groove that follow the curve of the dental arch
Week 11

43. Fossa
Rounded depression on a tooth
Follows the length of the body of the mandible past the last tooth and up to the ramus
Arteries supplying blood to most of the head and the neck
When the tissue becomes inflamed

44. Intercellular Substances
Raised vertical folds of tissue on the lateral border of the tongue
Substances between cells
Portion of the lips where the skin meets the vermilion zone
A line that represents the alveolus bone lining the socket

45. Greater Palatine Nerve
Lining covers inside of the oral cavity
Functions the same as the alveolar cfg; originate in alveolar bone
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Portion of the root seen in the oral cavity

46. Taste Buds
Oval structures that are located on the dorsal surface of the tongue
Small yellowish glands on the labial mucosa
The cornerstone of the mouth
When cells rapidly increase in number

47. Incisal Edge
Assists in elevating the chin
Biting edge of the teeth
Small linear depression
Covers muscle tissue in the posterior portion of the palate

48. Sulingual Folds
Covering over the enamel that is left over from the epithelium ameloblasts
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
H20 - mucin - organic salts and digestive enzymes

49. What are the four major muscles of facial expression
Three bulges on the incisal edge
Orbicularis oris - buccinator - mentalis - zygomatic major
Largest facial bone with two sections joined at the median suture
Outside surface Which is towards the cheek - on posterior teeth

50. Linea Alba
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Middle line of the teeth
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
Drains the superficial veins of the face and neck into the subclavian vein