OROFACIAL ANATOMY CHAPTER 1 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
Nasolabial groove (or sulcus) - Answers a groove that separates the nose and lips from the cheeks
Labiomental groove - Answers a groove that separates the lower lip from the chin
Ala - Answers the portion of the nose that flares out on either side of the nostril
Anterior boundary of the oral cavity - Answers Lips
Posterior boundary of the oral cavity - Answers Palatine tonsils
Lateral boundary of the oral cavity - Answers Cheeks
Superior boundary of the oral cavity - Answers Roof of the mouth (palate)
Inferior boundary of the oral cavity - Answers Floor of the mouth
Pharynx - Answers the pathway that air travels from the nose or mouth on its way to the lungs.
A shared pathway between digestive and resperitory systems
What are the three branches of the pharynx? - Answers -Nasopharynx
-Oropharynx
-Laryngopharynx
Nasopharynx - Answers the upper portion of the pharynx located behind the nasal cavity
Oropharynx - Answers the middle portion of the pharynx located behind the oral cavity
Laryngopharynx - Answers extends from the oropharynx to the epiglottis
Epiglottis - Answers a flap of cartilage that covers the larynx while swallowing to prevent food or
liquid from entering.
Palatine tonsils - Answers located between the anterior and posterior tonsillar pillar on the lateral
borders of the oropharynx
Palatoglossal muscle - Answers located in the anterior tonsillar pillar
Palatopharyngeal muscle - Answers located in the posterior tonsillar pillar
Lingual tonsils - Answers located on the base of the tongue, posterior 1/3
Pharyngeal tonsils (or adenoids) - Answers located superior to the soft palate
Waldeyer's Ring - Answers The three types of tonsils found in the oral cavity
Fauces - Answers the space located between the palatine tonsils, the soft palate, and the tongue
Uvula - Answers The most posterior portion of the soft palate
musculus uvulae muscle - Answers originates on the posterior nasal spine and inserts into the uvula
Vestibule - Answers The space that exists between the teeth and the cheek and the teeth and the lips
Labial vestibule - Answers the space located between the front teeth and the lips
Buccal vestibule - Answers the space located between the back teeth and the cheeks
Mucolabial fold - Answers the deepest point of the labial vestibule
Mucobuccal fold - Answers the deepest point of the buccal vestibule
Vermillion border - Answers Marks the junction between the skin and the face and the mucosa of the
lip
Vermillion zone - Answers colored portion of the lips (where you put lipstick)
Philtrum - Answers an identation found in the center of the upper lip
Labial commissure - Answers Corner of the mouth where the upper and lower lip meet
Philtrum - Answers vertical groove on the midline of the upper lip
Tubercle of the lip - Answers the small projection in the middle of the upper lip that sometimes
enlarges or thickens
Gingiva - Answers the soft tissue surrounding the teeth that is attached to the teeth and underlying
bone
Free Gingival margin - Answers the part of the gingiva that is closest to the bitting surface of a tooth
Interdental papilla - Answers the portion of the gingiva that fills the spaces between adjacent teeth
Mucogingival junction - Answers Border located between the gingiva and the alveolar mucosa that
lines our mouth
Stippling - Answers orange peel texture somtimes found on gingiva
Alveolar mucosa - Answers the thin tissue that joins the gingiva at the mucogingival junction. is more
red than the gingiva because it has no stratum cornium
Frenum - Answers Is a band of dense tissue that connects the lips and cheeks to the gingiva
Frenectomy - Answers the surgical removal of a frenum
Labial frenum - Answers attach the lips to the gingiva and are always found between the front teeth
Buccal frenum - Answers attach the cheeks to the gingiva
Lingual frenum - Answers attaches the ventral side of the tongue to the floor of the mouth
Nasolabial groove (or sulcus) - Answers a groove that separates the nose and lips from the cheeks
Labiomental groove - Answers a groove that separates the lower lip from the chin
Ala - Answers the portion of the nose that flares out on either side of the nostril
Anterior boundary of the oral cavity - Answers Lips
Posterior boundary of the oral cavity - Answers Palatine tonsils
Lateral boundary of the oral cavity - Answers Cheeks
Superior boundary of the oral cavity - Answers Roof of the mouth (palate)
Inferior boundary of the oral cavity - Answers Floor of the mouth
Pharynx - Answers the pathway that air travels from the nose or mouth on its way to the lungs.
A shared pathway between digestive and resperitory systems
What are the three branches of the pharynx? - Answers -Nasopharynx
-Oropharynx
-Laryngopharynx
Nasopharynx - Answers the upper portion of the pharynx located behind the nasal cavity
Oropharynx - Answers the middle portion of the pharynx located behind the oral cavity
Laryngopharynx - Answers extends from the oropharynx to the epiglottis
Epiglottis - Answers a flap of cartilage that covers the larynx while swallowing to prevent food or
liquid from entering.
Palatine tonsils - Answers located between the anterior and posterior tonsillar pillar on the lateral
borders of the oropharynx
Palatoglossal muscle - Answers located in the anterior tonsillar pillar
Palatopharyngeal muscle - Answers located in the posterior tonsillar pillar
Lingual tonsils - Answers located on the base of the tongue, posterior 1/3
Pharyngeal tonsils (or adenoids) - Answers located superior to the soft palate
Waldeyer's Ring - Answers The three types of tonsils found in the oral cavity
Fauces - Answers the space located between the palatine tonsils, the soft palate, and the tongue
Uvula - Answers The most posterior portion of the soft palate
musculus uvulae muscle - Answers originates on the posterior nasal spine and inserts into the uvula
Vestibule - Answers The space that exists between the teeth and the cheek and the teeth and the lips
Labial vestibule - Answers the space located between the front teeth and the lips
Buccal vestibule - Answers the space located between the back teeth and the cheeks
Mucolabial fold - Answers the deepest point of the labial vestibule
Mucobuccal fold - Answers the deepest point of the buccal vestibule
Vermillion border - Answers Marks the junction between the skin and the face and the mucosa of the
lip
Vermillion zone - Answers colored portion of the lips (where you put lipstick)
Philtrum - Answers an identation found in the center of the upper lip
Labial commissure - Answers Corner of the mouth where the upper and lower lip meet
Philtrum - Answers vertical groove on the midline of the upper lip
Tubercle of the lip - Answers the small projection in the middle of the upper lip that sometimes
enlarges or thickens
Gingiva - Answers the soft tissue surrounding the teeth that is attached to the teeth and underlying
bone
Free Gingival margin - Answers the part of the gingiva that is closest to the bitting surface of a tooth
Interdental papilla - Answers the portion of the gingiva that fills the spaces between adjacent teeth
Mucogingival junction - Answers Border located between the gingiva and the alveolar mucosa that
lines our mouth
Stippling - Answers orange peel texture somtimes found on gingiva
Alveolar mucosa - Answers the thin tissue that joins the gingiva at the mucogingival junction. is more
red than the gingiva because it has no stratum cornium
Frenum - Answers Is a band of dense tissue that connects the lips and cheeks to the gingiva
Frenectomy - Answers the surgical removal of a frenum
Labial frenum - Answers attach the lips to the gingiva and are always found between the front teeth
Buccal frenum - Answers attach the cheeks to the gingiva
Lingual frenum - Answers attaches the ventral side of the tongue to the floor of the mouth
