Blood Vessels at Silliman University | Flashcards & Summaries

Lernmaterialien für Blood vessels an der Silliman University

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TESTE DEIN WISSEN
The requirement for blood transfusion into a healthy person is ______________ without greatly altering the function of the circulation
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TESTE DEIN WISSEN
 one-half liter of blood
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TESTE DEIN WISSEN
It is evident that an increase in vascular smooth muscle tone caused by sympathetic stimulation _______ the pressure at each volume of the arteries or veins, whereas sympathetic inhibition _______ the pressure at each volume.
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TESTE DEIN WISSEN
increases; decreases
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TESTE DEIN WISSEN
____ are the most distensible of all the blood vessels and can store  0.5 to 1.0 liter of extra blood thus the major reservoir of blood
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TESTE DEIN WISSEN
Veins
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TESTE DEIN WISSEN
A valuable characteristic of the vascular system is that all blood vessels are ___________
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TESTE DEIN WISSEN
distensible.
Lösung ausblenden
TESTE DEIN WISSEN
True or false

All blood vessels are distensible 
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TESTE DEIN WISSEN
True
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TESTE DEIN WISSEN
Allows the vessels to accomodate the pulsatile output of the heart and to average out the pressure pulsations 
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TESTE DEIN WISSEN
Distensibility
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TESTE DEIN WISSEN
The ______ are much more distensible than the _______
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TESTE DEIN WISSEN
Veins; Arteries
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TESTE DEIN WISSEN
The total quantity of blood that can be stored in a given portion of the circulation for each mmHG pressure rise
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TESTE DEIN WISSEN
Vascular compliance or capacitance
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TESTE DEIN WISSEN
Compliance of a systemic vein is 24x of that of the artery why is that?
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TESTE DEIN WISSEN
 compliance is equal to distensibility times volume
24 = 8x distensible x 3x volume 
Lösung ausblenden
TESTE DEIN WISSEN
Veins are ____ times distensible than arteries 
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TESTE DEIN WISSEN
8 times 
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TESTE DEIN WISSEN
The pulmonary veins have the same distensibility as the __________
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TESTE DEIN WISSEN
Systemic circulation
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TESTE DEIN WISSEN
means that a vessel exposed to increased volume at first exhibits a large increase in pressure, but progressive delayed stretching of smooth muscle in the vessel wall allows the pressure to return toward normal over a period of minutes to hours.
Lösung anzeigen
TESTE DEIN WISSEN
delayed compliance (stress relaxation of vessels) 
Lösung ausblenden
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Q:
The requirement for blood transfusion into a healthy person is ______________ without greatly altering the function of the circulation
A:
 one-half liter of blood
Q:
It is evident that an increase in vascular smooth muscle tone caused by sympathetic stimulation _______ the pressure at each volume of the arteries or veins, whereas sympathetic inhibition _______ the pressure at each volume.
A:
increases; decreases
Q:
____ are the most distensible of all the blood vessels and can store  0.5 to 1.0 liter of extra blood thus the major reservoir of blood
A:
Veins
Q:
A valuable characteristic of the vascular system is that all blood vessels are ___________
A:
distensible.
Q:
True or false

All blood vessels are distensible 
A:
True
Mehr Karteikarten anzeigen
Q:
Allows the vessels to accomodate the pulsatile output of the heart and to average out the pressure pulsations 
A:
Distensibility
Q:
The ______ are much more distensible than the _______
A:
Veins; Arteries
Q:
The total quantity of blood that can be stored in a given portion of the circulation for each mmHG pressure rise
A:
Vascular compliance or capacitance
Q:
Compliance of a systemic vein is 24x of that of the artery why is that?
A:
 compliance is equal to distensibility times volume
24 = 8x distensible x 3x volume 
Q:
Veins are ____ times distensible than arteries 
A:
8 times 
Q:
The pulmonary veins have the same distensibility as the __________
A:
Systemic circulation
Q:
means that a vessel exposed to increased volume at first exhibits a large increase in pressure, but progressive delayed stretching of smooth muscle in the vessel wall allows the pressure to return toward normal over a period of minutes to hours.
A:
delayed compliance (stress relaxation of vessels) 
Blood vessels

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