heart pt.2 (coronary vessels)

Question 1

expandable pouch of each atrium

Answer 1

auricle

Question 2

groove separating atria and ventricles. visible on anterior surface

Answer 2

coronary sulcus

Question 3

groove marking boundary between the two ventricles. visible on anterior surface

Answer 3

anterior interventricular sulcus

Question 4

fibrous remnant of fetal connection between aorta and pulmonary trunk

Answer 4

ligamentum arteriosum

Question 5

returns (oxygenated) blood to left atrium. Visible on posterior surface

Answer 5

pulmonary veins

Question 6

returns blood to right atrium. Visible on posterior surface

Answer 6

superior and inferior venae cava

Question 7

returns blood from myocardium to right atrium. Visible on posterior surface

Answer 7

coronary sinus

Question 8

groove marking boundary between the two ventricles. Visible on posterior surface

Answer 8

posterior interventricular sulcus

Question 9

Continuously supplies cardiac muscle (myocardium) with oxygen/nutrients

Answer 9

coronary circulation

Question 10

vessels emerging from ascending aorta. fill when ventricles are relaxed (diastole)

Answer 10

coronary arteries

Question 11

Myocardial blood flow may increase to _ ____ the resting level during maximal exertion

Answer 11

9 times

Question 12

Supplies right atrium, parts of both ventricles, and parts of cardiac (electrical) conducting system. Follows coronary sulcus (groove between atria and ventricles)

Answer 12

right coronary artery

Question 13

main branches of right coronary artery (2)

Answer 13

marginal arteries and posterior interventricular artery

Question 14

marginal arteries of right coronary artery supply blood to

Answer 14

right ventricle

Question 15

runs along posterior interventricular sulcus; supplies interventricular septum and adjacent parts of ventricles with blood

Answer 15

Posterior interventricular (or right posterior descending) artery

Question 16

Supplies left ventricle, left atrium, and interventricular septum with blood

Answer 16

left coronary artery

Question 17

anterior interventricular artery (aka left anterior descending artery) and Circumflex artery (has marginal artery on posterior side of left ventricle)

Answer 17

main branches of left coronary artery (2)

Question 18

follows anterior interventricular sulcus; supplies interventricular septum and adjacent parts of ventricles

Answer 18

Anterior interventricular artery (or left anterior descending artery)

Question 19

follows coronary sulcus to the left; meets branches of right coronary artery posteriorly;

Answer 19

circumflex artery

Question 20

Anterior veins of coronary circulation (2)

Answer 20

great cardiac vein and anterior cardiac veins

Question 21

Drains area supplied by anterior interventricular artery. Empties into coronary sinus posteriorly. Runs along anterior interventricular sulcus

Answer 21

great cardiac vein

Question 22

Drain anterior surface of right ventricle. Empties directly into the right atrium

Answer 22

anterior cardiac veins

Question 23

coronary sinus, posterior (cardiac) vein of left ventricle, middle cardiac vein, small cardiac vein

Answer 23

posterior veins of coronary circulation (4)

Question 24

major coronary vein located in the rear section of the heart between the left atrium and the left ventricle. Empties into right atrium

Answer 24

coronary sinus

Question 25

vein of the heart which courses over the posterior wall of the left ventricle and drains area supplied by circumflex artery; empties into coronary sinus

Answer 25

posterior vein of left ventricle

Question 26

vein drains area supplied by posterior interventricular artery; empties into coronary sinus

Answer 26

middle cardiac vein

Question 27

drains posterior of right atrium/ventricle; empties into coronary sinus

Answer 27

small coronary vein

Question 28

joins two blood vessels (arteries or veins)

Answer 28

anastomosis