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surg tech ch 22
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what structure is refered to as the pacemaker of the heart
SA node
what portion of the heart recives unoxygenated blood
right atrium
what portion of the heart is responsible for pumping blood into the aortia
left ventricle
coronary arteries arise from
the aorta
cornary veins empty into
coronary sinus
what structure is attached to the valvular cusps & prevents valves from swinging back into the atrium
chordae tendineae
how many pulmonary veins
4
structure that prevents trachea from collapsing
hyaline cartilage
the microscopic air sacs clustered at the end of the bronchial are called
alveoli
the main bronchi, pulmonary arteries, veins & lymphatic vessels enter the lung on the medial surface through the
hilum
the right lung has how many lobes
3
the heart lies
slightly to the left within the mediastinum
what surrounds the heart
paracardium
cardiac cycle is what
everything that takes place during a single heartbeat
what does systole mean
contraction
when does a fetal heart begin developing
3rd week of gestation
what is most common congenital chest deformity
pectus excavtum
what is the medical term for an abnormal accumulation of air in the pleural cavity
pneumothorax
abnormal opening in the wall between the R and L ventricles is knows as
ventricular septal defect
what instrument is preferred for the removal of a foreign body in the bronchial tree of infants & children
rigid bronco scope
what procedure is not considered sterile
bronchoscopy
what postion is the patient in for a lobectomy
posterolateral postition
what is the skin prep for a posterolateral thorocotomy
shoulder & arm down to iliac crest
which intercostal space is entered for a thoracotomy
incision between 4th & 5th rib - enter in 5th space
which piece of equipment assumes the rold of the heart & lungs
pump oxygenator
what protects the heart from damage during cardiopulmonary bypass (open heart)
hypothermia
which mechanical device is designated for circulatory support after cardiac crocedures
intra aorta balloon pump
which type of hemostatic agent is placed on each side of the sternum after sternotomy
bone wax
what protion of the heart is the canula placed to achieve venus canulation
right atrium
which solution is not used during coronary artery bypass grafting
water
parts of sterunum from superior to inferior
manubrium
body
xiphoid process
what is the number of true ribs
7
trachea is divided into right and left bronchi at what point
carina
oxygenated blood leaves the lungs through
pulmonary veins
what is another name for mitral valve
bicuspid
normal adult heart rate
72 bpm
a continuation of the umbilical vein
ductus venosus
after birth with the elimination of the placental circulation what structure closes
ductus arteriosus
what precent of all patients with carcinoma of the lung are smokers
90%
what is the most common complaint with a thoracic aorta aneurysm
chest pain
posterolateral position must have
bean bag
do not allow light cord to touch drape because of
fire
Author
katen277
ID
79002
Card Set
surg tech ch 22
Description
ch 22
Updated
2011-04-12T03:07:24Z
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