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54 Cards in this Set
- Front
- Back
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Where can you find the parotid papilla with opening of the parotid duct?
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Opposite the second upper molar
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How many permanent teeth are there? How many deciduous?
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32
20 |
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What structure passes through the incisive foramen?
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Nasopalatine nerve (V2)
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Which teeth are not present in children?
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missing 2 premolar teeth and have 2 molars instead of 3
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What are the different papillae found on the tongue?
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Vallate
Filiform Foliate Fungiform |
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Which papillae of the tongue are mechanical and don't have taste receptors?
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Filiform
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What are the muscles of the tongue?
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Palatoglossus
Styloglossus Hyoglossus Genioglossus |
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What nerves innervate the muscles of the tongue (motor to tongue)?
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X (Palatoglossus)
XII |
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If there is damage to the hypoglossal nerve, which way will the tongue deviate?
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To the damaged side
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What nerves supply sensory innervation to the tongue?
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V: General sense
VII: Taste IX: Taste X: Taste |
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Between what structures can you find the palatine tonsil?
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Palatoglossal arch
Palatopharyngeal arch |
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What are the elements of the tonsillar ring?
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Pharyngeal tonsil
Lateral pharyngeal band Palatine tonsil Lingual tonsil |
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When are the elements of the tonsillar ring reabsorbed?
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Starting at puberty
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What area of the pharynx is strictly respiratory?
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Nasopharynx
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At what spinal level will you find the cricoid cartilage?
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C6
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What are the division of the pharynx and how long is it?
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Pharynx starts from the base of the skull and ends at the cricoid cartilage.
Nasopharynx Oropharynx Laryngeal pharynx |
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What opening is found in the nasopharynx?
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Ostium of the auditory tube
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The pharyngopalatine arch is found in which division of the pharynx?
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Oropharynx
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The piriform recess is found in which division of the pharynx?
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Oropharynx
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The vallecula is found in which division of the pharynx?
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Oropharynx
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What is the swelling associated with the nasopharynx?
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Torus tubarius: houses lymphoid tissue
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What are adenoids?
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AKA pharyngeal tonsil located in the nasopharynx. Mass of lymphoid tissue.
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Why do swollen adenoids cause frequent ear infections?
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Cause obstruction of the auditory tube
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What two palate muscles are found in the nasopharynx?
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Levator veli palatini - elevates palate
Tensor veli palatini - Tenses palate/ opens auditory tube |
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Describe the attachment/insertion and innervation of Levator veli palatini.
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Temporal bone to the soft palate (via auditory tube)
CN X |
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Describe the attachment/insertion and innervation of Tensor veli palatini.
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Sphenoid bone to soft palate (via auditory tube)
CN V3, branch off of main trunk |
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What portion of the tongue is found in the oropharynx?
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posterior 1/3
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What is the opening or inlet to the larynx called?
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aditus
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What two recesses can be found in the oro and laryngeal pharynx?
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Vallecula
Piriform recess |
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Which pharyngeal constrictor attaches to the hyoid bone?
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Middle constrictor
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What muscles join at the pterygomandibular raphe?
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Superior constrictor and buccinator
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Which constrictor muscles ends inferiorly at the cricoid cartilage?
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Inferior constrictor
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Which constrictor muscle is continous with the esophagus?
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Inferior constrictor
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What muscle attaches to the greater horn of the hyoid and the stylohyoid ligament?
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Middle constrictor
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Describe the arrangement of the constrictor muscles?
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Flower pot arrangement
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What muscle forms the narrowest portion of the pharynx?
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Cricopharyngeus muscle at the esophageal junction
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What are the three external muscles of the pharynx (CN)?
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Palatopharyngeus (X)
Stylopharyngeus (IX) Salpingopharyngeus (X) |
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What is the origin, insertion, and action of the stylopharyngeus?
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Styloid process
Thyroid cartilage Elevates the larynx and dilates the pharynx for swallowing |
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What is the origin, insertion, and action of the palatopharyngeus?
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Hard palate
Thyroid cartilage Elevates pharynx for swallowing |
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What is the origin, insertion, and action of the Salpingopharyngeus?
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Auditory tube
Posterior fasciculus of the palatopharyngeus Elevates the pharynx for swallowing |
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What is Zenker's Diverticulum?
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Diverticulum of the mucosa above the cricopharyngeal muscle
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What nerves supply innervation to the pharynx?
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IX - Sensory
X - Motor (pharyngeal branch) Sympathetics |
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What muscle of the pharynx does not receive innervation from CN X?
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Stylopharyngeus (IX)
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What supplies the parasympathetics to the pharynx?
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CN X
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Describe the gag reflex.
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In: IX
Out: X |
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What nerve passes through the thyrohyoid membrane?
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Internal branch of superior laryngeal from X
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What supplies sensory innervation to the larynx above the vocal folds?
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Internal branch of the superior laryngeal from X
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What supplies sensory innervation to the larynx below the vocal folds?
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Recurrent laryngeal from X
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What nerve innervates the cricothyroid muscle?
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External branch of the superior laryngeal from X
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Where does the left Recurrent laryngeal recur?
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Around the ligamentum arteriosum, arch of the aorta
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Where does the right recurrent laryngeal recur?
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Around the right subclavian artery
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What muscle of the larynx is not innervated by the recurrent laryngeal?
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The cricothyroid, from ext. superior laryngeal branch
(Still X) |
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A tumor in the mediastinum will translate to what kind of laryngeal pathology?
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Paralysis of the left vocal cord
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What nerve is at risk during thyroid surgery?
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Recurrent laryngeal
(Ext. branch of superior laryngeal) |
