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Soft Tissue Neck
CT/MR soft tissue neck
| Question | Answer |
|---|---|
| What bone within the neck does not articulate with any other bones and is a site for muscle attachment? | Hyoid bone |
| What is the largest movable facial bone? | mandible |
| At what level can you find the thyroid cartilage? | C4 |
| What is the common name for the thyroid cartilage? | Adam's apple |
| What is the function of the thyroid cartilage? | to protect the vocal folds behind it |
| Which neck cartilage is a complete ring found around the trachea? | cricoid cartilage |
| What is the function of the cricoid cartilage? | to provide attachments for various muscles, ligaments; it is involved in closing the airway and speech production |
| What cartilage guards the entrance of the glottis? | Epiglottis |
| What are the three main airways of the neck? | pharynx, larynx, trachea |
| What are the three divisions of the pharynx? | nasopharynx, oropharynx, laryngeal pharynx |
| Where can the nasopharynx be found and where does it extend to? | posterior to the nasal cavity and extends inferiorly to the soft palate |
| What lymph tissue is found in the posterior walls of the nasopharynx? | pharyngeal tonsils |
| What is the common name for the pharyngeal tonsils when they are enlarged? | adnoids |
| What is the name of the second division of the pharynx? | oropharynx |
| At what level does the oropharynx stop and the laryngeal pharnx begin? | the level of the epiglottis |
| What set of tonsils are found in the posterior aspect of the oropharynx? | palatine tonsils |
| What tonsils are found on the base of the tongue? | lingual tonsils |
| What is the third division of the pharynx? | laryngeal pharynx |
| What part of the pharynx is continues on to become the esophagus? | laryneal pharynx |
| What part of the main airway becomes the trachea? | larynx |
| What is the location of the espophagus? | posterior to the trachea and anterior to the cervical body |
| What two lymph tissues are found in the oropharynx? | palatine tonsils/lingual tonsils |
| Where does the trachea end? | Carina |
| Where does the esophagus end? | Terminates at the stomach; gastroesophageal junction |
| What are the superior spaces on either side of the epiglottis called? | valleculae; it is also a common site for foreign objects to become lodged |
| What structures help to divert food away from the entrance of the larynx so it can enter into the esophagus? | piriform sinuses/recesses |
| What is the organ of voice? | larynx |
| What structure is commonly referred to as the false vocal cords? | vestibular folds |
| what structure is commonly referred to as the vocal cords? | vocal folds |
| What are the three salivary glands? | parotid, submandibular, sublingual |
| What is the largest of the salivary glands? | parotid |
| Where does the parotid gland found? | it is a lateral neck structure that is anterior to the EAM |
| Name the endocrine gland that secretes T3 and T4? | thyroid gland |
| What is the function of the thyroid gland? | secrete hormones that stimulate cell metabolism, help lower blood calcium, and are essential for normal growth |
| What four glands are found on the posterior surface of the thyroid gland? | parathyroid glands |
| What is the function of the parathyroid glands? | help in metabolism of calcium and phosphorus |
| What size does a lymph node need to be to be considered pathological? | 10mm or 1 cm |
| What neck muscle helps to turn the head from side to side and to flex the neck? | sternocleidomastoid muscle |
| What muscle is innervated by the mandibular branch of the trigeminal nerve? | masseter muscle |
| What muscle is used for chewing? | masseter muscle |
| What muscle arises from the zygomatic arch and inserts on the mandible? | masseter muscle |
| What is the name of the muscle that forms the majority of the musculature of the tongue | genioglossal muscle |
| What type of imaging coil is used for MR of the neck? | dedicated neck coil |
| What is the appropriate slice thickness for CT imaging of the neck? | 5 mm |
Created by:
jacook3we