Pryma Circ Qcards

Question 1

define artery adn arterioles

Answer 1

carry blood away from heart
have thick elastic muscle fibers

Question 2

define capillary

Answer 2

tiny vessels
one cell layer thick
gas exchnage happens

Question 3

define veins and venules

Answer 3

take blood to heart from capillaries
thinner than arteriole walls
have valves that prevent backflow
(bc of lower blood pressure)

Question 4

function of the cordae tendinae

Answer 4

-support valves and prevent them from inverting

Question 5

Function of perjunkie fiber

Answer 5

take message from AV node to the ventricles and cause them to contract in the right direction

Question 6

what are the valves between the atria and ventricals

Answer 6

atrioventricular valves (Tricuspid and bicuspid)

Question 7

the name of the chamber of the heart that recives blood from the
a) body
b) lungs

Answer 7

a) right atrium
b) left atrium

Question 8

heart chamber that pumps blood to the
a) lungs
b) body

Answer 8

a) right ventricle
b) left ventricle

Question 9

Starting w VC, ending w aorta, name blood path

Answer 9

VC
R atrium
tricuspid valve
R ventricle
pulmonary semilunar valve
pulm trunk
pulm arteries
arteries
lungs
pulmonary veins
left atrium
bicuspid valve
left ventricle
aortic semilunar valve
aorta

Question 10

what is
a) systole
b)diastole

Answer 10

a) contraction of heart muscle
b) relaxation of heart muscle

Question 11

name of valves between ventricals and blood vessels

Answer 11

semilunar valve

Question 12

name of vessels that provide O2 to heart tissue

Answer 12

coronary arteries

Question 13

name of the vessels that carry blood from the intestines to the liver

Answer 13

hepatic portal vein

Question 14

name of structure that divides into the right and left pulmonary arteries

Answer 14

pulmonary trunk

Question 15

what is the role of the SA node in the heartbeat

Answer 15

sends out signals to make atria contract`

Question 16

what is the role of the AV node in the heartbeat

Answer 16

receives signal from SA node and and sends out a signal to the perjunkie fibers, these fibers send signal to ventricles causing them to contract

Question 17

difference between hypertension and hypotension

Answer 17

hyper: higher blood pressure than normal
hypo: lower blood pressure than normal

Question 18

Name of blood vessel that carries blood from the body to r atrium

Answer 18

vena cava

Question 19

Name of blood vessel that carries blood from the head to SVC

Answer 19

Subclavian

Question 20

3 functions of the lymph system are

Answer 20

-transport excess tissue fluid back to cardiovascular system
-absorption of fat from intestine and transport to blood
-fighting infection by cleansing lymph and producing lymphocytes

Question 21

how do these make fetal circulation different from adults
a) Oval opening
b) venus duct
c)arterial duct
d) umbilical arteries and veins

Answer 21

a) it allows blood to move from the r atrium to the l atrium by bypasssing the pulmonary circut
b) connects umbilical vein and IVC to being blood back to babys heart (attatches to liver but bypasses most of the liver)
c) connects to the pulmonary artery and aorta. much of the blood being pumped out of the heart will be dircted away from the lungs and into the aorta (bypass pulmonary circut)
d) vessels travel to and from placenta (gases nutrients and wastes are exchanged) umbilical arteries are grafted to the iliac arteries

Question 22

what are 2 function of lymph nodes

Answer 22

produce and store lymphocytes
filter lymph of damaged cells and debris

Question 23

list 2 characteristics of
a)pulmonary system
b) systemic system

Answer 23

a) - the path of blood from the heart thru the lungs
- includes: r atrium, r ventricle, pulmonary trunk, pulm arteries, arterioles of the lungs, pulm capillaries, pulm venules + veins,
b) -includes all blood vessels except the ones in the pulm system
- in systemic, veins carry deocygenated blood and arteries carry oxygenated blood

Question 24

what structures and cells filter out foreign invaders from lymph

Answer 24

-Lymphocytes: produce antibodies
-lymph nodes: produce and store lymphocytes, filter lymph

Question 25

describe capillary tissue exchange

Answer 25

when blood pressure is higher at the start (arterial end of capillary) the good stuff goes into tissues. but as pressure decreases ( venous end of capillary) the bad stuff goes into blood stream to be taken away

Question 26

conditions tha facilitate change between of materials between capillaries and tissues

Answer 26

blood pressure
osmotic pressure
net pressure
(when BP is higher than OP then good stuff moves out)
(When Bp is lower than OP then bad stuff moves in)