NURS305 Chapter Notes - Chapter 17: Parotid Duct, Frenulum Of Tongue, Maxilla
23 Dec 2016
School
Department
Course
Professor
Document Summary
Chapter 17: nose, sinus, mouth, and throat assessment. Bone in the upper 1/3 and cartilage in the lower 2/3 of the nose. Nasal bone attaches superioly at the bridge to the frontal bone and laterally to the lacrimal and maxillary bones. Columnella divides the oval nares (nostrils) into 2. Vestibule the space in the nose. The floor of the nose rests on the superior portion of the hard palate. Ethmoid bone separates the roof of the nose from the brain. 3 scroll like bones covered with erectile mucous membranes: inferior, middle, and superior turbinates inferior turbinates most anterior. Usually the first internal structures seen on nasal examination lateral to each turbinate is an air space (inferior meatus, middle meatus, and superior meatus) Internal + external carotid arteries supply blood to nose. (anterior portion of nasal septum has a rich vascular supply kiesselbach"s plexus) kiesselbach"s plexus is the most common site of nosebleeds.
