CO
blood vessels introduction
arteries and veins
capillaries
cardiovascular sys.
100

both sv and Hr must change in order for CO to change 

True 

False

False

100

veins get larger the closer to the heart 

true 

false 

true 

100

when blood vessels Increase its diameter, that is called 

A.) vasodilation 

B.) vascular spasm 

C.) vasoconstriction


A.) vasodilation 

100

which type of capillary is most common 

sinusoid 

continuous

fenestrated 

continuous

100

how many O2 molecules can 1 hemoglobin carry 

A.)1 

B.)4

C.) 250 mil

D. 1billion 
 

B.)4

200

Co is defined as 

A.) vol of blood pumped by one ventricle in 1 min

B.) how many times per min that the heart beats 

C.) how much vol is pumped out of a ventricle each time the ventricle contracts 

A.) vol of blood pumped by one ventricle in 1 min

200

arteries always carry oxygen rich blood 

True 

false

false

200

Arteries___ take blood __ the heart 

A.)always/away from

B.) Always/ to


A.)always/away from

200

the process of fluid containing waste goign into blood through the capillary wall is called 

A.) vesicular transport 

B.) osmosis

C.) Reabsorption

C.) Reabsorption

200

CO2 is carried mosty in 

plasma

erythrocytes 


plasma

300

the max that SV could be fo people is 

A cO

B HR

C EDV

D ESV

C EDV

300

small veins are called 

A.) venioles 

B.) venitos 

C.) venules

D.) venae 


C.) venules

300

BOTH  arteries ab dveins have smooth muscle 

true

false 

true

300

In continuous capillaries, the main route for substances going through the walls is

A.) intercllular cleft

B.) fenestrations 

C.) through the plasma memof endothelial cells

A.) intercllular cleft 


300

in any person which is the largest in volume 

EDV

ESV

BOTH 

EDV

400

SV is affected by 

A.) EDV and contractility

B.) ESV and BP 

C.) HR and CO 

A.) EDV and contractility

400

the B.P in arteries and veins are the same 

true 

false

false 

400

arteries and veins have a single layer of cells next to their lumen 

A.) areolar 

B.) endothelial

C.) basement membrane 

B.) endothelial

400

the least common type of capillary is 

A.) sinusoid

B.) continuous 

C.) fenestrated 


A.) sinusoid

400

Av valves open during 

Diastole

systole

Diastole

500

if person starts getting more dirt in each scoop without changing the speed @ which he is shoveling which of the following has changed 

A.) hr 

B.) sv 

C. hr and sv 

D.) SV and CO

D.) SV and CO

500

compared to veins, arteries have ___ walls, are ___ elastic, and ___ blood pressure. 

A.) thinner, less , lower

B.)thicker, more, higher

C.) thicker, less, lower 

B.)thicker, more, higher

500

Which layer of an artery wall contains smooth muscle

A.) tunica intima 

B.) tunica media 

C.) tunica externa


B.) tunica media


500

capillary has a single layer of ___ surrounded by ____.

A.) endothelium/basement mem

B.) basement mem/ smooth muscle

c.)smooth muscle/ basement mem

d.) basement mem/ endothelium


A.) endothelium/basement mem

500

for which of the folowwing are both things listed found in serum 

A.) fibrinogen/ water 

b antibodies/ co2

 c platelets/ protiens 


b antibodies/ co2