Oral Cavity and Pharynges Flashcards
When someone swallows, what two structures are elevated to close off the nasopharynx?
Soft Palate
Uvula
Facues is the opening between the oral cavity and the oropharynx, which are bounded by paired muscular folds/arches which include what two things?
Palatoglossal Arch (Glossopalatine arch)
Palatopharyngeal Arch (Pharyngopalatine arch)
What type of epithelium overlies the tongue?
A. Non-keratinized stratified squamous
B. Keratinized stratified squamous
C. Lightly keratinized stratified squamous
D. Ciliated Pseudostratified Squamous
Lightly keratinized stratified squamous
The posterior surface of the tongue contains which of the following?
A. Lingual Frenulum
B. Lingual Tonsils
C. Palatine Tonsils
D. Sublingual gland
Lingual Tonsils
Which of the following glands produces the most saliva at about 60-70%?
A. Parotid
B. Submandibular
C. Sublingual
D. All equal
Submandibular
Which of the following glands opens up into the oral vestibule next to the 2nd molar?
A. Parotid
B. Submandibular
C. Sublingual
D. All equal
Parotid
Which of the following glands produces watery serous secretions only?
A. Parotid Gland
B. Submandibular Gland
C. Sublingual Gland
D. None
Parotid Gland
Which of the following stimulates salviary mucous secretions?
A. Parasympathetic axons in CN IX
B. Parasympathetic axons in CN VII
C. Sympathetic Stimulation from cervical ganglia
D. None of the above
Sympathetic stimulation from cervical ganglia
T/F: The submandibular gland has a duct that opens through the papilla in the floor of the mouth on the lateral sides of the lingual frenulum
True
What types of secretions are produced by the sublingual and submandibular glands?
A. Mucous only
B. Serous only
C. Mucous and Serous
D. Does it really matter
Mucous and Serous
T/F: Collectively the roots, dental alveoli, and periodontal ligament binds the roots to the alveolar processes form a gomphosis joint
True
In general, what are the 4 tooth names found in each row of the mouth?
Central Incisor
Lateral Incisor
Canine
Premolar (1-2)
Molar (1-3)
In which stage of mastication does the epiglottis close over the laryngeal opening?
A. Voluntary Phase
B. Pharyngeal Phase
C. Esophageal Phase
D. All of the above
Pharyngeal Phase
AT what stage do the ubula and epiglottis return to their pre-swallowing positions?
A. Voluntary Phase
B. Pharyngeal Phase
C. Esophageal Phase
D. All of the above
Esophageal Phase
Which of the folloing muscles rasises the palate? What is this muscles innervation?
A. Tensor Veli Palatini
B. Levator Veli Palatini
C. Superior Pharyngeal Constrictor
D. Middle Pharyngeal Constrictor
E. Inferior Pharyngeal Constrictor
Levator Veli Palatini (CN X)
Which of the folloing muscles tenses the palate? What is this muscles innervation?
A. Tensor Veli Palatini
B. Levator Veli Palatini
C. Superior Pharyngeal Constrictor
D. Middle Pharyngeal Constrictor
E. Inferior Pharyngeal Constrictor
Tensor Veli Palatini
CN V
Which of the following allows elevation and anterior motion of the entire pharynx?
A. Levator Veli Palatini
B. Middle Pharyngeal Constrictor
C. Stylopharyngeaus M.
D. Salpingopharyngeal Fold
Salpingopharyngeal Fold
Familiarize yourself with the hemisection to identify the folds
Got em
Waldeyer’s Lymphatic Ring drains to deep cervical lymph nodes and is composed of what 3 tonsils?
Palatine Tonsil
Pharyngeal Tonsil
Lingual Tonsil
What muscle is innervated by V3, tenses the soft palate, and acts on the pharyngeotympanic tube to depressurize the middle ear?
Tensor Veli Palatini
Paralysis of either of these muscles can lead to reflux of oral contents into the nasal cavity and dysfunction of the pharyngotympanic tube?
Levator Veli Palatini (CN X)
Tensor VEli Palatini (CN V3)
Suprahyoid M. and longitudinal pharyngeal muscles contract and elevate the larynx in what stage of swallowing?
A. Voluntary phase
B. Involuntary and rapid phase
C. Involuntary phase
D. None
Involuntary and rapid phase
Look at this
Cool
The nasopharynx above the pharyngotympanic tube and torus tubarious is innervated by which of the following?
A. IX
B. X
C. V2
D. V1
V2
T/F: Pharyngeal plexus provides sensory innervation of the oropharynx and laryngopharynx from IX and X respectively
True
