NWHSU Mash GA 2 Quiz 3 Respiratory
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| Antagonist to Cricothyroid? | Lateral cricothyroid
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| What muscle of the larynx is an antagonist to the cricothyroid muscle? | Thyroarytenoid
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| What laryngeal muscles aBduct the vocal cords? | Posterior cricoarytenoid
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| What muscle of the larynx extends from posterior surface of the cricoid lamina to the muscular process of the arytenoids cartilage? | Posterior cricoarytenoid
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| What muscle of the larynx inserts on the muscular process of the arytenoid and rotates the cartilage medially, but does not pull the cartilage anteriorly? | Lateral cricoarytenoid
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| What muscle(s) of the larynx is/are not innervated by the recurrent laryngeal n.? | Cricothyroid
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| What muscle of the larynx lengthens and tightens the vocal cord, thus increasing pitch? | Cricothyroid
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| What muscle(s) of the larynx act(s) as a sphincter of the laryngeal inlet? | Oblique arytenoid and aryepiglottic muscles
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| Besides the thyroid and cricoid cartilages, name the other cartilages of the larynx. | arytenoid, epiglottic, corniculate, cuneiform
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| Muscles of the larynx not innervated by reccurent laryngeal n? | Cricothyroid
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| Describe the motor innervation (include components innervated) to the larynx. | recurrent laryngeal to all muscles except external branch of superior laryngeal n. to cricothyroid m.
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| Entrance to larynx? | Aditus
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| Located immediately medial to the thyroarytenoid, it acts to tense the vocal cords? | Vocalis
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| Give the term for the space between the true and false vocal cords. | Ventricle
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| Slit-like opening between the false vocal cords. | Rima vestibuli
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| Slit-like opening between the true vocal cords. | Rima glottidis
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| Name given to mucosal reflection formed by the lower edge of the quadrangular membrane. | Vocal ford
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| The mucosal reflection over the upper edge of the quadrangular membrane of the larynx. | Aryepiglottic fold
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| Laryngeal cartilage located on the upper edge of the quadrangular membrane? | Cuneiform Cartilages
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| This structure passes upward from the arch of the cricoid cartilage; on its upper edge it is thickened to form the vocal ligaments. | Conus elasticus
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| A sharp mucosal covered ridge of the middle meatus. | Uncinate process
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| Into what meatus does the maxillary sinus drain? | Middle meatus via infundibulum
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| Into what meatus does the frontal sinus drain? | Middle meatus via frontonasal duct and ethmoidal infundibulum
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| A structure which drains into the inferior meatus. | Nasolacrimal duct
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| Meatus into which the nasolacrimal duct drains. | Inferior
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| Immediated structure that receives ostium of the frontonasal duct? | Ethmoidal infundibulum
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| Swelling in the middle meatus, marks the position of ethmoid air cells. | Ethmoid bulla
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| Opening of ethmoidal infundibulum into the meatus. | Semilunar hiatus
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| Place in which the sphenoid sinus drains? | Sphenoethmoidal recess
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| Hypertrophied lymphatic components on the roof of the nasopharynx. | Adenoids
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| Give 2 components of lateral wall of the nasopharynx? | Ostia of auditory tubes & pharnygeal muscles
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| Structure over which the mucosa of the larynx is reflected to form the vestibular fold. | Quadrangular membrane
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| Define the root of the lung. | The structures which pass through the hilus = bronchi, vessels, nerves, and lymphatics
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| Define a bronchopulmonary segment. | Portion of a lung supplied with air from a tertiary bronchus
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| Name two pleural recesses? Give function? Structural composition? | Costodiaphragmatic & Castomediastinal All for expansion of the lungs during inspiration. Parietal pleura
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| Name given to parietal pleura over apex of lung. | Cupula
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| Left lung homologue of middle lobe of right lung. | Lingula
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| Fissure separating upper and middle lobes of the right lung. | Horizontal fissure
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| Give 2 landmarks present on medial surface of right lung, but not the left. | Grooves for the superior & inferior vena cava
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| Specific structure that supports the tracheal bifurcation. | Carina
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| What is the vertebral level of tracheal bifurcation? | T4/5
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| What is the vertebral level of hiatus of the inferior vena cava? | T8
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| Vertebral level of esophageal hiatus? | T10
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| Greater level of aortic hiatus | T12
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| Give the origin of the lumbar part of the diaphragm? | Arises from the vertebral column as left & right crura. Also arises from fascial thickenings termed lateral & medial arculate ligaments
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| Name given to the upper part of the dorsum nasi supported by nasal bones. | Bridge
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| Specific structure responsible for forming the limen nasi. | Lower edge of the lateral nasal cartilage
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| Name bony components forming the roof of the nasal cavity. | Nasal bone, frontal bone, cribriform plate of ethmoid, body of sphenoid
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| Structure which has a lateral and medial crus to hold open the nostrils. | Greater alar cartilage
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| Internally correspond to alae of the nose; has sweat glands, sebaceous glands and hairs. | Vestibule
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| A ridge within the nasal cavity separating stratified squamous from respiratory mucosa. | Limen nasi
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| Located bw anterior end of middle concha and the dorsum of the nose; site of an anterior ethmoidal air cell? | Agger nasi
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| Name two structures related to the left side of the thoracic part of the trachea. | left recurrent laryngeal n., arch of the aorta, left common carotid a., left subclavian a.
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| Besides the aorta, list two structures which can pass through the aortic hiatus. | Thoracic duct, azygos vein
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