thorax chap 2 Flashcards
where is the cardiac notch located
medial aspect of left lung
name the opening on the medial surface of each lung that acts as a passage for the main stem bronchi and blood vessels, lymph vessels, & nerves
hilum / hilar area
name the inner memebrane of the thoracic cavity
visceral pleura - direct contact w/ lungs
name the outer membrane of the thoracic cavity
parietal pleura
what is the middle region of the thoracic cavity
mediastinum
actual heart muscle
myocardium
what covering lines the inside cavities of the heart
endocardium
what chamber receives deoxygenated blood
right atrium
what chamber pushes blood into lungs
right ventricle
which chamber pushes blood into body via aorta
left ventricle
which chamber revives oxygenated blood
left atrium
what muscles are associated with respiration
intercostal muscles, diaphragm, & serrated muscle
starting when blood enters the heart , describe the bath blood takes through the head
SVC & IVC > right atrium > tricuspid valve > right ventricle > pulmonary valve > pulmonary arteries > lungs > pulmonary veins > left atrium > mitral valve > left ventricle > aortic valve > aorta > body > IVC & SVC
name the great vessels entering the left atrium
pulmonary veins (2Rt/2Lt)
name the great vessels entering the right atrium
-coronary sinus (blood from heart muscle)
-SVC & IVC (return blood from body)
name the great vessels exiting the heart
right ventricle, pulmonary trunk, R & L pulmonary arteries, left ventricle, aorta
name the valve between the right atrium & the right ventricle
tricuspid
name the valve between the left atrium & left ventricle
bicuspid (mitral)
which valve is found at the pulmonary artery
pulmonary
which valve is at the entrance of the aorta from left ventricle
aortic semi lunar
what does the carina bifurcate into? what level?
the L & R bronchus at T5
what is found in the mediastinum
heart, great vessels, thymus, trachea
how many lobes does the right lung have
3 lobes
what does the left lung only have 2 lobes
the heart