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Ch. 15 positioning
Anterior part of neck
| Question | Answer |
|---|---|
| what occupies the region between the skull and the thorax? | neck |
| what are the principle structures of the neck? | respiratory and digestive systems |
| what composes the portion of the neck that lies in front of the vertebrae ? | largely of soft tissue |
| the thyroid gland consists of how many lobes? | 2 |
| the lateral lobes of the thyroid gland is connected at their lower thirds by a narrow median portion called ? | isthmus |
| where is the isthmus located? | lies at the front of the upper part of the trachea |
| where is the lobes of the thyroid gland located? | lie at the sides |
| from which anatomy does the lobes extend? | reach from the lower third of the thyroid cartilage to the level of the first thoracic vertebra |
| are small ovoid bodies | parathyroid glands |
| how are the parathyroid glands situated? | one above the other on the posterior aspect of the adjacent lobe of the thyroid gland |
| serves as a passage for both air and food and thus is common to the respiratory and digestive systems | pharynx |
| is a musculomembranous, tubular structure | pharynx |
| where is the pharynx located? | in front of the vertebrae and behind the nose, mouth, and larnyx |
| is continuous with the esophagus | pharynx |
| The pharyngeal cavity is subdivided into: | nasal, oral, and laryngeal portions |
| hanging from the posterior aspect of the soft palate is a small conical process called | uvula |
| the mucosa contains a mass of lymphoid tissue known as | oharyngeal tonsil or adenoids |
| interferes with nasal breathing and is common in children. also, can be viewed in a lateral radiograph of the nasopharynx | hypertrophy of the tissue |
| is the portion extending from the soft palate in the level of the hyoid bone | oropharynx |
| the air containing nasal and oral pharynges are well visualized in what radiographs? | lateral images except during the act of phonation |
| is the organ of voice | larynx |
| serves as a passage for air between the pharynx and the trachea | larynx |
| is thin, leaf shaped | epiglottis |
| is situated behind the root of the tongue and the hyoid bone | epiglottis |
| serves as a trap to prevent leakage into the larynx between acts of swallowing | epiglottis |
| forms the laryngeal prominence or Adams apple | thyroid cartilage |
| the superior pair of folds or false vocal cords | vestibular folds |
| the space above the vestibular folds is | laryngeal vestibule |
| the lower two folds are separated from each other by a median fissure called the | rima glottidis or true vocal folds |
| hypertrophy of the pharyngeal tonsil or adenoids is clearly demonstrated in what radiograph? | lateral |
| is conventional projections made during deglutition ( swallowing) | pharynography |
| consists of trying a dark colored shoestring snugly around the patients throat above the thyroid cartilage | gunson's method |
| stationary or tomographic negative contrast studies of the air containing laryngopharyngeal structure are shown in using what projection? | AP |
| tests abduction of the vocal cords | quiet inspiration |
| tests adduction of the vocal cords | normal (expiratory) phonation |
| shows complete closure of the glottis | valsalva's maneuver |
| test the elasticity and functional integrity of the glottis | valsalva maneuver |
| why keep the mouth closed during a modified valsalva maneuver | the patient makes and sustains a slight effort to blow the nose |
Created by:
khebert