cardiorespiratory 2

Question 1

intervenous tubercle

Answer 1

directs blood from the vena cavas
in the right atrium

Question 2

fossa ovale

Answer 2

in right atrium, closed
before birth is a foramen because lungs not functional and is open

Question 3

coronary sinus

Answer 3

in right atrium
brings blood from the myocardium

Question 4

pectinate m

Answer 4

inside of each of the auricles

Question 5

trabeculae carnae

Answer 5

muscular ridges on the ventricular walls

Question 6

trabeculae septomarginalis

Answer 6

muscular strand that courses across the lumen of the ventricle
conducts Purkinje fibers from right branch of atrioventricular bundle across lumen of ventricles

Question 7

pulmonary vein

Answer 7

from lung to heart

Question 8

mitral valve

Answer 8

between left atrium and ventricle

Question 9

aortic valve

Answer 9

allows blood from left ventricle to go to rest of body

Question 10

chordae tendineae

Answer 10

fibromuscular cords that attach cusps to papillary muscles

Question 11

papillary muscles

Answer 11

projections in the ventricles
give rise to chordae tendineae

Question 12

left side intercostal space to listen to heart

Answer 12

3- pulmonary
4- atrial
5- mitral

Question 13

right side intercostal space to listen to heart

Answer 13

4- tricuspid