CVS: blood flow

Question 1

what are the three layers of blood vessels and their properties

Question 2

what are the major types of blood vessels and the pressure of blood through them

Question 3

describe pressure changes in arteries vs veins

Question 4

describe what it means that the cvs is a series of bags

Question 5

what is the windkessel effect

Question 6

what is elastic recoil? how does it keep blood moving?

Question 7

what is the venous return system?

Question 8

whats the role of venules vs valves vs veins

Question 9

what are two types of vessels in capillary beds

Question 10

what is an arteriovenous shunt

Question 11

what is the role of true capillaries

Question 12

what happens in cap bed with open vs closed sphincters

Question 13

what two factors determine flow

Question 14

how does pressure gradient impact flow

Question 15

describe the pressure gradient of cvs

Question 16

what is poiseuilles law

Question 17

what is the only factor discussed in poiseulles law that actually changes in blood vessels

Question 18

how does resistance change with vessel radius

Question 19

vasoconstriction effect on blood flow

Question 20

vasodilation effect on blood flow

Question 21

how does flow get distributed when const/dil happens in one of the vessels

Question 22

what factors impact arteriolar resistance

Question 23

what is myogenic autoregulation

Question 24

what are paracrines

Question 25

HOW DOES SYMP CONTROL IMPACT RESISTANCE

Question 26

what is active hyperemia

Question 27

what is reactive hyperemia? when does it occur?

Question 28

norepinephrine on receptors does what to arteries

Question 29

how does norepinephrine lead to arteriolar contraction

Question 30

what does it mean to say that calcium oscillations control vascular smooth muscle cell contraction

Question 31

how can you control flow between vein and artery bags

Question 32

what allows for large changes in length during contraction

Question 33

what are the contractile proteins in smooth muscle