NUNA3 CV TEST 3 on studystack.com
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| the two vertebral arteries ascend to form the ____ artery in circle of willlis | basilar
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| the basilar artery branches into the two ___ ___ arteries. | posterior cerebral arteries
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| as the internal carotid artery enters the circle of willis it becomes what artery? | middle cerebral
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| the int. carotid/middle cerebral artery is connected to the post cerebral artery by what artery? | the post communicating artery
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| what artery branches from the int. carotid/middle cerebral and proceeds anteriorly? | the anterior cerebral artery.
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| what artery connects the two anterior cerebral arteries? | the anterior communicating artery
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| as previously stated, the int. carotid becomes the middle cerebral artery but also branches into what other arteries? | anterior cerebral and post communicating
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| what are three absolute indications for OLV? | to avoid contamination of non-diseased lung, conrol of ventilation, VATS
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| what are some indications for isolation of one lung for ventilation? | hemorrhage, infective secretions, fistulae, bullae, surgical exposure, vent support with large lung discrepancies.
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| what are some relative contraindications for OLV? | full stomach, hypoxia, and anticoagulated pt.
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| vocal cord to carina length in males is approx. ___cm | 12.7
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| vocal cord to carina lenght females is approx. ___cm. | 12.1
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| the right mainstem is approx. __mm diameter and the left main approx. ___mm diameter. | right dia 16mm left dia 13mm
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| mean lenght of rt main is __ to __ mm | 19-22
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| mean lenght of lt main is __ to __mm | 48 (+ or - 8mm_
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| which two OLV devices mandate use of bronchoscopy to place? | univent and bronchial blockers
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| which OLV device could be placed with only laryngoscopy and auscultation? | Carlens DL ET
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| when placing OLV device, usually view the ___ first with bronchoscopy, then switch to ___to confirm position | first trachea, then bronchus
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| males less than 5'10" use what size DL ET tube? Greater thatn 5'10" | 39 for less than 5'10" and 41 for greater.
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| for females less than 5'2" use ___ fr DL ET and for taller use ___ fr. | less than 5'2" use 35, taller use 37.
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| once placed, the avg. depth of DL ET tube at incisors is ___ cm. | 29
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| T or F. with the DL ET you can access both lungs? | true
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| the bronchial blocker requires a larger volume to seal its' cuff than the DL ET. T or F. | true, 4-8ml vs 2-3ml
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| which bronchial isolater can be used in children over 6 yr. and is available in sizes small as 3.5 and 4.5 mm ? | bronchial blocker
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| bronchial blockers are passes alongside or through the ET tube. t or f? | true
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| what are some disadvantages to both the bronchial blocker and univent tubes? | higher flow resistance, need bronchoscopy to place, unable to access both lungs, not for long term single lung ventilation
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| for a right lung resection you would use a (left/right) DL ET? | left
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| if you know that you are doing a left pneumonectomy prior to incision, place a (right/left) DL ET. | use a right
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| if you have a left DL ET in place, what must you do if decision is made to do left pneumonectomy during surgery? | withdraw until distal bronch lumen is proximal to carina (approx 25cm), use as single lumen tube
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| for pulmonary hemmorrhage, you could insert a ____ type of lung isolation tube since you may not need bronchoscopy | DL ET
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| most common tube used for bronciopleural fistual is the ____ tube. | DL ET
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| for bullae and cysts one would avoid which gas, and what type of ventilation would you avoid if possible. | avoid nitrous and avoid positive pressure if possible
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| FEV1 stand for what measurement of lung function? | volume of air expired in first second of max expiration
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| a normal FEV1/FVC value is >____ | >0.7 is normal
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| the normal FEV1 is greater or equal to __. | 2
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| the miniumum FEV1 necesary for a pneumonectomy is ___. | greater than 2
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| the minimum FEV1 necessary for a lobectomy is -___. | greater than 1
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| which bronchoscope, rigid or flex., is preferred when airway occluded, and may provide better pediatric control and visulaization | rigid
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| a mediastinoscopy is primarily used for what purpose? | staging of lung cancer
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| where is the scope for mediastinoscopy inserted? | suprasternal notch
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| what nerve could possibley be damaged with a mediastinoscopy? | recurrent laryngeal n.
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