Cardiovascular System: Heart

Question 1

when does the heart begin to beat

Answer 1

4th week after conception

Question 2

which way does the apex of the heart point

Answer 2

inferior to the left

Question 3

what is the upper boarder of the heart that lies just below the second rib

Answer 3

the base

Question 4

what are the two different kinds of pericardium

Answer 4

fibrous and serous

Question 5

what is the tough, white, fibrous tissue that makes up the sac that the heart sits in

Answer 5

the fibrous pericardium

Question 6

what is the moist, membrane lining the inside of the fibrous pericardium

Answer 6

serous pericardium

Question 7

what are the two layers of the serous pericardium

Answer 7

parietal and visceral

Question 8

what is the inner lining of the fibrous pericardium

Answer 8

the parietal serous pericardium

Question 9

what is the layer of the serous pericardium that is also known as the epicardium

Answer 9

visceral serous pericardium

Question 10

what is the inflammation of the pericardium

Answer 10

pericarditis

Question 11

what is the inflammation of the myocardium, usually a complication of a viral infection

Answer 11

myocarditis

Question 12

what is the inflammation of the endocardium, typically due to bacteria, and usually involves the heart valves

Answer 12

endocarditis

Question 13

what is the fluid build up in the pericardial sac called

Answer 13

pericardial effusion

Question 14

what is it called when you have severe compression of the heart, impairing its function

Answer 14

cardiac tamponade

Question 15

what is the bulk of the heart wall made of cardiac muscle cells that is also autorhythmic

Answer 15

myocardium

Question 16

what is the beaklike projections of the myocardium

Answer 16

trabeculae carneae

Question 17

what carries blood back to the heart

Answer 17

veins

Question 18

what carries blood away from the heart

Answer 18

arteries

Question 19

what are the superior chambers of the heart also known as the “receiving chambers” that relax to receive blood and contract to push blood out

Answer 19

atria

Question 20

what are the lower chambers of the heart that are separated by the inter ventricular septum and pump blood out into arteries

Answer 20

ventricles

Question 21

what is the structure that permits flow of blood in one direction only

Answer 21

valves

Question 22

what is the part of the cardiovascular system which carries deoxygenated blood away from the heart to the lungs, and returns oxygenated blood back to the heart

Answer 22

pulmonary circulation

Question 23

what is the part of the cardiovascular system which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart

Answer 23

systemic circulation

Question 24

what receives deoxygenated blood from the superior vena cava, the inferior vena cava, and the coronary sinus and pumps the blood through the tricuspid valve

Answer 24

right atrium

Question 25

what receives deoxygenated blood from the right atrium and forms the most anterior surface of the heart and pumps blood through the pulmonary valve into the pulmonary trunk

Answer 25

right ventricle

Question 26

what receives venous oxygenated blood from the pulmonary veins and pumps the blood through the mitral valve into the left ventricle

Answer 26

left atrium

Question 27

what is the thickest chamber of the heart that receives oxygenated blood from the left atrium and pumps the blood through the aortic valve to the aorta

Answer 27

left ventricle

Question 28

how does the heart receive blood

Answer 28

right and left coronary arteries