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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. Zygomatic nerve
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Follows the inside of the ramus and the body of the mandible
The ridges that run horizontally across the hard palate behind the incisive papilla
The portion of the tooth that meets the gingiva
2. Lingual Vein
What divides the tongue in half and runs from the base to the tip of the tongue
Constricts the nasopharyngeal passage and elevates the larynx
A condition where the lower frenum attachment is very short/DDS/frenectomy
Drains the floor of the mouth
3. Cortical Bone
Draws the hyoid bone superiorly and posteriorly and stabilizes it
Duct located on the parotid papilla
The moveable attachment of the muscle
Compact bone plate of the facial and lingual surfaces
4. Palantine Tonsils
Separates the developing oral cavities from the nasal cavities
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Located in a depressed area between the pillars
Rounded depression on a tooth
5. What is the most common problem with TMJ
Third tooth from the midline
The moveable attachment of the muscle
Lining covers inside of the oral cavity
The disc becomes displaced
6. Function of Palatopharyngeal
Study of prenatal growth and the developing process of an individual
Constricts the nasopharyngeal passage and elevates the larynx
The fixed attachment of a muscle
Healthy gingival tissue with an orange texture
7. What are the 3 branches of the pterygopalatine nerve branch?
Greater - lesser - naso palatine nerves
2 small raised folds of tissue where the lingual frenum attaches
Circle and tighten the gingival margin around the neck of the tooth
The corners of the mouth where the top and bottom lip meet
8. Xygote
When cells rapidly increase in number
Assist in depressing the mandible and elevating the tongue
A bony projection that separates each socket
Study of prenatal growth and the developing process of an individual
9. Embryo
Developmental segment of a tooth
The cornerstone of the mouth
Peg shaped crown with a smooth surface
Two weeks thru 8th week
10. Alveolar Mucosa
Place where the groove comes together or fissures cross
Set of arches found farther in the back of the throat
Mucosa that covers the alveolar bone
The bone that separates the root on a tooth
11. Buccal Mucosa
The inner surface of the cheeks
Located behind the ramus of the mandible and branches into five arteries
Tubules that pass through the entire surface of the dentin
Assists in elevating the chin
12. When do the tooth buds appear?
Extends from the medial corner of the eye to the nasal cavity
The largest of the salivary glands which lie just below and in front of the ear
Act to maintain the gingival integrity of the marginal gingiva
Week 11
13. If a patient receives toxic agents - how long does it take for their sense of taste to return?
Narrow long enamel tuft
10 days
Intervating the anterior teeth and the labial gingiva
Bi-cuspids
14. Anterior Tonsillar Pillar
Separates the developing oral cavities from the nasal cavities
2 to 3 pints
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Small curved lines that run parellel to the CEJ
15. Tendon
Band of fibrous tissue which attaches muscle to bone
Assists in elevating the chin
The development of different forms
Formed by the fibroblast cells and secures the tooth in the socket
16. Saliva
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
Digstric - Mylohyoid - stylohyoid - geniohyoid
Outside surface Which is towards the cheek - on posterior teeth
Clear fluid secreted by the salivary and mucous glands throughout the mouth
17. Angle of the Mandible
A bat shaped bone which forms the anterior portion of the skull
Opening in the mouth below the orbit on the maxillary bone
Where the ramus meets the body of the mandible on the outside border
The deepest point of the vestibule
18. What are the 2 sets of teeth?
Functions the same as the alveolar cfg; originate in alveolar bone
Primary and permanent
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Third tooth from the midline
19. Greater Palatine Nerve
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine
A bony projection that separates each socket
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Oval depression of temporal bone in condyloid process
20. Vestibule
Inside of the maxillary teeth
A pocket formed by the soft tissue of cheeks and gingiva
Tissue covering the alveolar processes
Forms into the inner lining of the oral cavitiy and enamel of the teeth
21. Which molar is the wisdom tooth
Maxillary third molar
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Small grooves noted on some teeth
Hinge motion and gliding movement
22. What kind of root does the maxillary first molar have?
Triferacated
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Mastication - aids in speech - influence facial structure - chewing surfaces
Extreme variations from the norm
23. Maxillary Arch
Upper arch of the teeth
Week 11
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
The layer of dentin that surrounds the pulp
24. What are the three muscles of the neck?
Platysma - trapezius - sternocleidomastoid
Covers muscle tissue in the posterior portion of the palate
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
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
25. Peg lateral
Biting edge of the teeth
Trigeminal nerve--because it ennervates the maxilla and the mandible
Portion of the lips where the skin meets the vermilion zone
Peg shaped crown with a smooth surface
26. Dentinal Fluid
Peg shaped crown with a smooth surface
Small grooves noted on some teeth
Tissue fluid surrounding the cell membrane of the odontoblast
Slight ridges on the cervical third of certain teeth that extend mesiodistally
27. Concave
Buccal - lingual - and inferior alveolar
The gingiva in the floor of the gingival sulcus that attaches to the enamel
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Indented
28. Common Carotid
Folds of tissue to the the lingual veins
Arteries supplying blood to most of the head and the neck
Where the ectoderm layer matures into the enamel
Retracts or depresses the tongue
29. Triangular Ridge
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
Origin - fixed point - insertion - movable point
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
Constricts the nasopharyngeal passage and elevates the larynx
30. Interradical Fiber Group
Found only in multi-rooted teeth and resists rotational forces
The development of different tissues
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
A dense tissue covered with mucous membrane that can withstand chewing
31. Submandibular Glands
32. What are the 4 muscles of the floor of the mouth?
Dividing point of a multi-rooted tooth
Digstric - Mylohyoid - stylohyoid - geniohyoid
What divides the tongue in half and runs from the base to the tip of the tongue
The bone that separates the root on a tooth
33. Enamel Spindle
Ligaments and muscles of mastication
Short tubules that seem to crossover to the enamel
A bony projection that separates each socket
Resists intrusive forces that try to push the tooth inwards
34. Lingual Frenum
Demonstrates a disturbance in the body metabolism
The ridges that run horizontally across the hard palate behind the incisive papilla
A line of tissue that extends from the tongue to the floor of the mouth
Formed by the uniting of lobes during development of crown
35. Meniscus
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
Excess bone in the middle of the palate
Disk that acts like a cushion between the temporal bone and the condyloid process
Bony projection found on the bottom border of the temporal bone
36. Histology
The study of the microscopic structure and functions of tissues
Conception thru the first two weeks
A faint line going from the ala of the nose to the corner of the mouth
The first predentin that is formed and matures within the tube
37. Xygote
Conception thru the first two weeks
Week 11
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Molars
38. External Auditory Meatus
A faint line going from the ala of the nose to the corner of the mouth
9 months (5 months ultrasound to tell sex)
Opening for the ear
Forms the bulk of the tooth
39. Salivary Glands
Smaller branch that ennervates the soft palate uvula and tonsils
Secrete saliva to assist in process of digestion
Assists in elevating the chin
Largest division of the trigeminal nerve
40. Maxillary Artery
Supportive fibers that anchor the tooth to the bone
Largest of the branches of the external carotid artery; supplies facial structure
Intervating the anterior teeth and the labial gingiva
Third tooth from the midline
41. Evanesce
The first predentin that is formed and matures within the tube
A condition where the lower frenum attachment is very short/DDS/frenectomy
Middle two teeth in the mouth
To dissolve
42. Denticion
Small curved lines that run parellel to the CEJ
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Set of arches found farther in the back of the throat
Natural teeth in position
43. Incisive Arteries
Digstric - Mylohyoid - stylohyoid - geniohyoid
Incremental lines around the layers of the enamel matrix
Initiation of the tooth begins
Supplies blood to the roots and periodontal ligaments of the interior teeth
44. Convex
Dentin found between the tubules
To bulge of curve outward
Platysma - trapezius - sternocleidomastoid
Incremental line indicating trauma of birth
45. Stenson's Duct
Duct located on the parotid papilla
Located on the inside of the body of the ramus
Week 11
Surface away from the midline
46. Stippled
Opening in the mouth below the orbit on the maxillary bone
Healthy gingival tissue with an orange texture
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
47. Frenum
Calcium salts are deposited into formed tooth
Calcified masses of dentin
Study of prenatal growth and the developing process of an individual
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
48. Muscle Insertion
The moveable attachment of the muscle
Smaller branch that ennervates the soft palate uvula and tonsils
Responsible for laying down the enamel matrix into place
The development of different cells
49. Cemental Spurs
Found near the cementoenamel junction
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Intervates the floor of the mouth the ventral side of the tongue taste buds on the anterior two thirds of the tongue and the lingual gingiva
Calcified masses of dentin
50. Inferior Nasal Conchae
Smaller branch that ennervates the soft palate uvula and tonsils
Scroll like bones outside the nasal cavaties
Lower arch of the teeth
A faint line going from the ala of the nose to the corner of the mouth