heart test

Question 1

thickest later of heart wall

Answer 1

myocardium

Question 2

layer of heart that comes in contact with blood as it flows

Answer 2

endocardium

Question 3

freshly oxygenated blood is first received by

Answer 3

left atrium

Question 4

av valves

Answer 4

prevents blood flow back into the atria when ventricles are contracting

Question 5

blood vessels that nourish the heart

Answer 5

coronary arteries

Question 6

largest artery

Answer 6

aorta

Question 7

fluid filled sac

Answer 7

pericardium

Question 8

pressure exerted by blood against the blood vessel walls at its highest point

Answer 8

systolic pressure

Question 9

blood pressure exerted by the blood against the walls in a relaxed state

Answer 9

diastolic

Question 10

diffusion & exchange of gases

Answer 10

capillaries

Question 11

peculiar about the pulmonary artery?

Answer 11

arteries carry oxygenated blood away from the heart. the pulmonary artery carries deoxygenated blood away. but both carry blood away.

Question 12

peculiar about the pulmonary vein?

Answer 12

it carries oxygenated blood while other veins carry deoxygenated blood. both carry blood TO the heart.

Question 13

systemic circulation

Answer 13

lungs
pulmonary veins
left atrium 
left av valve
left ventricle 
aortic semilunar valve
aorta

Question 14

pulmonary circulation

Answer 14

superior vena cava
right atrium
right av valve
right ventricle 
pulmonary semilunar valve
pulmonary artery

Question 15

roles of heart chambers

Answer 15

A. right atrium

B. left atrium