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NDAEB Exam Review Part 2 Questions And Answers
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NDAEB Exam Review Part 2 Questions And Answers NDAEB Exam Review Part 2 Questions And Answers NDAEB Exam Review Part 2 Questions And Answers
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NDAEB Exam Review Part 2What portion of the mouth does the palate make up? -ANS Superior portion of oral cavity as well as
inferior portion of nasal cavity
Palate -ANS Roof of mouth
What portion of the mouth is the hard palate located? -ANS Anterior portion
Hard palate consists of what tissue? -ANS Covered by a thin epithelial (tissue) casing known as the oral
mucosa
Oral Mucosa -ANS Made of sense, highly proliferating (growing) tissue that allows it to regenerate
quickly
Palatine Rugae -ANS Located in the area where the mucosa folds into irregular ridges just behind the
maxillary (upper jaw) anterior teeth
Pharynx -ANS Beginning of the throat
Nasopharynx -ANS Lies behind the nasal cavity. Extends from the level of the junction of the hard and
soft palates to the base of the skull
Oropharynx -ANS Lies behind the oral cavity, and extends from the base of the tongue to the tonsils to
the soft palate and the uvula
Laryngopharynx -ANS Lies directly posterior to the epiglottis and extends to the larynx, where
respiratory and digestive pathways diverge
,Where is the soft palate located? -ANS Located posterior the hard palate
What is the function of the soft palate? -ANS The function of the soft palate is to aid in the process of
swallowing
What happens to the soft palate when swallowing mechanism is initiated? -ANS The soft palate moves
up and back to cover the nasopharynx
Uvula -ANS Muscular protuberance located at the edge of the soft palate, at the center entrance of the
throat
Tonsils -ANS Located near the soft palate on both sides of the oropharynx
What is the purpose of the uvula and tonsils? -ANS They're composed mainly of lymphatic tissue and
assist the body in fighting infections
Epiglottis -ANS Keeps food from entering the larynx
Larynx -ANS Voice box
What is another term for the gag reflex? -ANS Pharyngeal reflex
How is the gag reflex triggered? -ANS By stimulus to the posterior pharyngeal wall, tonsils, faucial
arches, soft palate, or base of the tongue
What are the three functions of saliva? -ANS Aid in digestion through enzymatic breakdown; facilitates
swallowing; cleanses food debris away from teeth and soft-tissue structures
,Parotid -ANS Largest of the salivary glands
Where are the parotid glands located? -ANS Both sides of the oral cavity, just in front of and below each
ear extending to the lower angle of the mandible and are contained within the soft tissues of the cheek
Describe saliva produced by parotid glands -ANS Liquid by nature, mainly used for digestive purposes
Stensen's duct -ANS Parotid glands secrete saliva through this tubule located just opposite of the
maxillary second molar
Submandibular Glands -ANS Also known as "mixed glands" because their saliva is a cross between a
sticky mucous substance and a thin, liquid serous consistency
Submandibular gland saliva is known as what? -ANS Mucoserous
What is the submandibular gland's saliva used for, and where is it secreted? -ANS Used for lubrication as
well as digestion -- secreted through a duct located in the posterior area of the tongue
Sublingual Glands -ANS They are the smallest of the three major salivary glands
Where are sublingual glands located? -ANS In the lower anterior floor of the mouth, one on either side
of the tongue
What is the purpose of the sublingual glands? -ANS The main function is to aid in digestion
Where are sublingual ducts located? -ANS Secretion from these glands happens in the floor of the
mouth, under the tongue
, Minor Salivary Glands -ANS Located throughout oral cavity on buccal (cheek) mucosa, palate, and lips
Why are the minor salivary glands known as ductless? -ANS They secrete directly into the oral cavity
without the use of any ducts
Tongue -ANS Has many functions: it's involved in speech, breathing, tasting, and mastication
Describe the dorsal surface of the tongue -ANS Covered with a thick epithelial casing -- Taste buds are
found here, on the "dorsal epithelium"
Taste buds -ANS There are separate taste buds for different food flavors: bitter, sweet, salty, and sour
flavors
Describe the ventral surface of the tongue -ANS This is where the tongue attaches to the floor of the
mouth by the "lingual frenum" -- covered by a very delicate and highly vascular epithelium
Frenum -ANS Or frenulum, is a loose fibrous connective tissue that's covered by oral mucosa
Maxillary Labial Frenum -ANS Located between the two front teeth, known as the "central incisors"
Diastema -ANS When the frenum causes a space between the two upper or lower central incisors
Mandibular Labial Frenum -ANS Located on the mandibular arch, between the two lower central incisors
Mandibular Lingual Frenum -ANS Located underneath the tongue
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