cardiovascular system overview

Question 1

substances entering the body

Answer 1

oxygen, nutrients and water

Question 2

a transport system that carries blood to and from the tissues of the body

Answer 2

cardiovascular system

Question 3

what structure ensures that blood only moves one direction in the system

Answer 3

valves

Question 4

what side of the heart only pumps blood systemically

Answer 4

left side

Question 5

vein and artery valves prevent back flow of blood (T/F)

Answer 5

false (only veins have valves)

Question 6

what structure separates the left and right side of the heart

Answer 6

E septum

Question 7

what structure separates the right atria from the left ventricle

Answer 7

tricuspid valve

Question 8

what structure separates the left atria from the left ventricle

Answer 8

mitral valve (aka bicuspid)

Question 9

The left tube will have less pressure maintaining its volume then the tubes closer to the flowing opening in the system (T/F)

Answer 9

false

Question 10

If the radius of A changes to 3, the flow through A will be about ____ times the flow through B

Answer 10

5

Question 11

All 4 tubes have the same driving pressure. Which tube has the greatest flow?

Answer 11

Shorter, larger diameter tube

Question 12

All 4 tubes have the same driving pressure. Which tube has the least flow?

Answer 12

long, small diameter tube

Question 13

if an artery is partially blocked, the resistance to blood flow in that artery decreases (T/F)

Answer 13

false - would increase

Question 14

if there is blockage and the flow through the artery doesn’t change, the velocity of flow will increase (T/F)

Answer 14

true - artery is blocked and flow is maintained so velocity will increase because blood will move faster

Question 15

Possible causes of turbulent flow in blood vessels

Answer 15

clot, stenosis

Question 16

what vessels are commonly involved in a myocardial infarction

Answer 16

coronary artery

Question 17

blood is pumped into the circulatory when the ??? contracts

Answer 17

ventricles

Question 18

which ventricle specifically pumps blood into the pulmonary circulation

Answer 18

right

Question 19

occurs if the flaps of a valve thickens, stiffener fuse together= not enough blood flows through the valve

Answer 19

stenosis

Question 20

2 major causes of stenosis

Answer 20

congenital and atherosclerosis (build of calcium)

Question 21

Heart valve disease treatment

Answer 21

lifestyle change, medications, surgery

Question 22

what structure of the heart has the lowest pressure

Answer 22

vena cava

Question 23

the base of the heart is localized at the top of the organ because of orienting movement of tissue during embryologic development (T/F)

Answer 23

true