thorax chap 2

Question 1

where is the cardiac notch located

Answer 1

medial aspect of left lung

Question 2

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

Answer 2

hilum / hilar area

Question 3

name the inner memebrane of the thoracic cavity

Answer 3

visceral pleura - direct contact w/ lungs

Question 4

name the outer membrane of the thoracic cavity

Answer 4

parietal pleura

Question 5

what is the middle region of the thoracic cavity

Answer 5

mediastinum

Question 6

actual heart muscle

Answer 6

myocardium

Question 7

what covering lines the inside cavities of the heart

Answer 7

endocardium

Question 8

what chamber receives deoxygenated blood

Answer 8

right atrium

Question 9

what chamber pushes blood into lungs

Answer 9

right ventricle

Question 10

which chamber pushes blood into body via aorta

Answer 10

left ventricle

Question 11

which chamber revives oxygenated blood

Answer 11

left atrium

Question 12

what muscles are associated with respiration

Answer 12

intercostal muscles, diaphragm, & serrated muscle

Question 13

starting when blood enters the heart , describe the bath blood takes through the head

Answer 13

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

Question 14

name the great vessels entering the left atrium

Answer 14

pulmonary veins (2Rt/2Lt)

Question 15

name the great vessels entering the right atrium

Answer 15

-coronary sinus (blood from heart muscle)
-SVC & IVC (return blood from body)

Question 16

name the great vessels exiting the heart

Answer 16

right ventricle, pulmonary trunk, R & L pulmonary arteries, left ventricle, aorta

Question 17

name the valve between the right atrium & the right ventricle

Answer 17

tricuspid

Question 18

name the valve between the left atrium & left ventricle

Answer 18

bicuspid (mitral)

Question 19

which valve is found at the pulmonary artery

Answer 19

pulmonary

Question 20

which valve is at the entrance of the aorta from left ventricle

Answer 20

aortic semi lunar

Question 21

what does the carina bifurcate into? what level?

Answer 21

the L & R bronchus at T5

Question 22

what is found in the mediastinum

Answer 22

heart, great vessels, thymus, trachea

Question 23

how many lobes does the right lung have

Answer 23

3 lobes

Question 24

what does the left lung only have 2 lobes

Answer 24

the heart