Brs Cardiovascular Physiology

Front 1

Systemic blood flow

Back 1

Cardiac output from left side of the heart

Front 2

Pulmonary blood flow

Back 2

Cardiac output from right side of the heart

Front 3

Deliver oxygenated blood to the tissues

Back 3

Arteries

Front 4

are the smalles branches of the arteris

Back 4

Arterioles

Front 5

Are formed from merged capillaries

Back 5

Venules

Front 6

Are thick-walled with extensive elastic tissue and smooth muslce

Back 6

Arteries

Front 7

Under high pressure

Back 7

Arteries

Front 8

Highest resistance in the cardiovascular system

Back 8

Arterioles

Front 9

the blood volume contained in the arteries is called the stressed volume

Back 9

Arteries

Front 10

Are teh site of exchange of nutrients water and gases

Back 10

capillaries

Front 11

Have a smooth muslce wall that is extensively innervated by autonomic nerve fiber

Back 11

Arterioles

Front 12

B2-adrenergic receptors in arteriols are found on?

Back 12

are found on arterioles of skeletal muslce

Front 13

*1- adrenergic receptors are found on the arterioles

Back 13

of the skin, splanchic, and renal circulations

Front 14

Arteriolar resistance is regulated by the?

Back 14

autonomic nervous system

Front 15

what have the largest total cross sectional and surface area

Back 15

Capillaries

Front 16

are thin walled

Back 16

Capillaries

Front 17

Capillaries are consist of single layer of_______ cells surrounded by________.

Back 17

endothelial cells surrounded by basal lamina

Front 18

Veins have __adrenergic receptors

Back 18

*1

Front 19

Largest vein is the

Back 19

vena cava

Front 20

Vena cava return

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blood to the heart

Front 21

Veins have what kind of wall?

Back 21

thin

Front 22

veins are under waht kind of pressure

Back 22

low

Front 23

what contains the highes porportion of bloood in the cardi system

Back 23

veins

Front 24

the blood volume contained in the veins is called the

Back 24

unstressed volume

Front 25

velocity is directly peoportional to ____and inversily to______

Back 25

blood flow
cross sec area

Front 26

Flow is analogous to?

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current

Front 27

Pressure is analogous to?

Back 27

voltage

Front 28

what drives blood flow

Back 28

pressure gradient

Front 29

Resistance is directly proportional to the

Back 29

viscosity of the blood

Front 30

Resistance is inversily proportional to?

Back 30

blood flow

Front 31

resistance is directly pro to 2 things

Back 31

viscosity of the blood
lenght of the vessel

Front 32

resistance is inversily pro to the?

Back 32

fourth power of the vessel radius

Front 33

Parallel resistance is illustrated by the

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systemic circulation

Front 34

When an artery is added in parallel the total resistance dec or inc

Back 34

dec

Front 35

Series resistance is illustrated by the?

Back 35

arrangement of blood vessels within a given organ

Front 36

Largest proportion of resistance in series is contributed by

Back 36

arterioles

Front 37

What happens to the pressure when blood flows through the series of blood vessels

Back 37

dec

Front 38

reynolds number?

Back 38

perdicts whether blood flow is laminar or tur

Front 39

Reynolds number and therefore tur is increased by the following factors

Back 39

dec blood viscosity
inc blood velocity

Front 40

example of dec blood viscosity

Back 40

anemia, hematocrit

Front 41

Higher the elastance is the lower the?

Back 41

compliance is

Front 42

cmpliance is directly proportional to? and inversily?

Back 42

volume
pressure

Front 43

Compliance is much greater for_____ than for _____

Back 43

veins than for arteries

Front 44

Capacitance of the arteries decreases with

Back 44

age