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Study sets matching "term:vasoconstriction = decrease in the diameter of blood vessels"

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Study sets matching "term:vasoconstriction = decrease in the diameter of blood vessels"

29 terms
Drugs affecting blood vessel diameter and volume
Explain the ways in which we can alter…
Why would we want to reduce preload
Why would we want to reduce afterload
Why would we want to increase local pe…
...
...
...
...
Explain the ways in which we can alter…
...
Why would we want to reduce preload
...
12 terms
17-49-46. Factors that affect Peripheral resistance & 49. How blood vessel diameter affects peripheral resistance & 17. What are the major factors & 20.4b Resistance & 20.4c The Relationship of Blood Flow to Blood Pressure Gradients and Resistance
Resistance
peripheral resistance
Viscosity
Change in viscosity (CONCEPT: READ)
- is defined as the amount of friction the blood experiences…
- is typically used when discussing the resistance of blood i…
(one of the three factors that alter resistance)... (Blood Visco…
(CONCEPT:READ) ... - A change in blood's viscosity causes a chan…
Resistance
- is defined as the amount of friction the blood experiences…
peripheral resistance
- is typically used when discussing the resistance of blood i…
30 terms
Chapter 21 - Blood Vessels
Artery
Vein
Artery vs. Vein
Tunica interna (Artery)
Blood vessels that carry blood away from the heart
Blood vessels that carry blood back to the heart
endothelium (just like endocardium)
Artery
Blood vessels that carry blood away from the heart
Vein
Blood vessels that carry blood back to the heart
86 terms
The Cardiovascular System: Blood Vessels
Blood vessels
Arteries
Veins
Lumen
-form a closed delivery system that begins and ends at the he…
-carry blood away from the heart, so they are said to "branch…
-carry blood toward the heart ... -said to "join," "merge," and…
-a central blood containing space
Blood vessels
-form a closed delivery system that begins and ends at the he…
Arteries
-carry blood away from the heart, so they are said to "branch…
5 terms
Blood Vessels
Artery
Vein
Capillaries
Vasoconstriction
Blood vessel carrying blood away from the heart
Blood vessel carrying blood towards the heart
Very thin blood vessels that allow gas exchange to happen
Reducing the diameter of small arteries to reduce blood flow…
Artery
Blood vessel carrying blood away from the heart
Vein
Blood vessel carrying blood towards the heart
107 terms
Blood Vessels
Tunic
Tunic Intima
Tunic Media
Tunic Adventitia
blood vessel wall
innermost layer
...
...
Tunic
blood vessel wall
Tunic Intima
innermost layer
BSL 117 - BLOOD VESSELS CH 19
blood vessels
arteries
capillaries
veins
Delivery system of dynamic structures that begins and ends at…
Carry blood away from the heart; oxygenated except for pulmon…
Exchange vessels; directly serve cellular needs.
Carry blood toward the heart.
blood vessels
Delivery system of dynamic structures that begins and ends at…
arteries
Carry blood away from the heart; oxygenated except for pulmon…
87 terms
Blood vessels
one pound of fat
Carries blood to heart
Blood vessel wall
Aerolar tissue
400 miles B.V
Veins
Have a hollow interior known as the LUMEN & walls consisting…
sticky
one pound of fat
400 miles B.V
Carries blood to heart
Veins
14 terms
Blood Vessels
angi/o, vas/o, vascul/o
aort/o
arter/o, arteri/o
arteriol/o
vessel
aorta
artery
arteriole
angi/o, vas/o, vascul/o
vessel
aort/o
aorta
15 terms
Blood Flow
arteries
arterioles
capillaries
venules
Blood vessels that carry blood away from the heart
Blood vessels that are smaller branches off of arteries.
Microscopic vessel through which exchanges take place between…
small veins that connect capillaries to the larger veins
arteries
Blood vessels that carry blood away from the heart
arterioles
Blood vessels that are smaller branches off of arteries.
9 terms
Cardiovascular: blood vessels
Ateries
Arterioles
Capillaries
Venules
Carry blood away from the heart and towards the tissue very t…
Small subdivisions of arteries and carry blood to capillaries
Tiny thin walled vessels that allow for the exchange of nutri…
Small vessels that receive blood from the capillaries and beg…
Ateries
Carry blood away from the heart and towards the tissue very t…
Arterioles
Small subdivisions of arteries and carry blood to capillaries
33 terms
Blood Vessels & Circulation, Part 3
cardiac output, total blood volume & v…
increase BP
decrease BP
vascular resistance
3 major factors that affect blood pressure
increased CO, increase blood volume (eat alot of salt) &/or i…
decreased CO, decreased blood volume (dehydration/blood loss)…
opposition to blood flow due to friction between blood & wall…
cardiac output, total blood volume & v…
3 major factors that affect blood pressure
increase BP
increased CO, increase blood volume (eat alot of salt) &/or i…
79 terms
Blood Vessels Lecture 5
cells
heart
vessels
7%
Delivery of nutrients, removal of waste... FedEx on steroids
Blood must be returned to the _______... where does that energy…
Must be able to withstand pressure (blood pressure)... ________…
Heart blood volume
cells
Delivery of nutrients, removal of waste... FedEx on steroids
heart
Blood must be returned to the _______... where does that energy…
33 terms
Ch. 11 Role of the Blood Vessels
Tunic Intima, Tunic Media, Tunic Exter…
Tunica Intima
Tunica Media
Tunica Externa
3 Tunic Coats of Arteries & Veins
Lines the 'Interior' of the vessel made of endothelium; decre…
Bulky 'Middle' Coat made of Smooth Muscle & elastic tissue; c…
'Outermost' tunic made of fibrous connective tissue; supports…
Tunic Intima, Tunic Media, Tunic Exter…
3 Tunic Coats of Arteries & Veins
Tunica Intima
Lines the 'Interior' of the vessel made of endothelium; decre…
29 terms
THE CARDIOVASCULAR SYSTEM: BLOOD VESSELS
3 major types of blood vessels
identify the 3 tunics typically found…
tunica intima
tunica media
1. Arteries... 2. Capillaries... 3. Veins
1. Tunica intima... 2. Tunica media... 3. Tunica adventitia
1. the innermost layer... 2. composed of simple squamous epithel…
1. the mid-layer... 2. made up of smooth muscle and sheets of el…
3 major types of blood vessels
1. Arteries... 2. Capillaries... 3. Veins
identify the 3 tunics typically found…
1. Tunica intima... 2. Tunica media... 3. Tunica adventitia
11 terms
blood vessels
Blood vessels
How many miles of blood vessels are in…
Arteries
Endothelium
Form a closed circuit of tubes that carries blood from the he…
62,000
Strong, elastic vessels that carry the blood away from the he…
Helps to prevent blood clotting by providing a smooth surface
Blood vessels
Form a closed circuit of tubes that carries blood from the he…
How many miles of blood vessels are in…
62,000
79 terms
Blood Vessels Lecture 5
cells
heart
vessels
7%
Delivery of nutrients, removal of waste... FedEx on steroids
Blood must be returned to the _______... where does that energy…
Must be able to withstand pressure (blood pressure)... ________…
Heart blood volume
cells
Delivery of nutrients, removal of waste... FedEx on steroids
heart
Blood must be returned to the _______... where does that energy…
11 terms
Blood Vessels I
Blood vessels transport...
Pulmonary Circuit
Systemic Circuit
Blood Vessels Structure
... gases, nutrients, waste products, hormones
transports blood from heart to lungs >>> O2 &CO2 exchange >>>…
transports blood throughout the body to all other organs for…
dynamic structures tha pulsate, constrict, and dilate
Blood vessels transport...
... gases, nutrients, waste products, hormones
Pulmonary Circuit
transports blood from heart to lungs >>> O2 &CO2 exchange >>>…
48 terms
Cardiovascular: blood vessels and blood circulation memmler's
Aneurysm
Aorta
Arteriole
Arteriosclerosis
Bulging sac in the wall of a vessel
Largest artery; carries blood out of the heart's left ventricle
Vessel between a small artery and a capillary
Hardening of the arteries
Aneurysm
Bulging sac in the wall of a vessel
Aorta
Largest artery; carries blood out of the heart's left ventricle
239 terms
A&P lecture (Chapter 19) BLOOD VESSELS
in a closed system of vessels that beg…
arteries, capillaries, and veins
Arteries
Veins
how is blood carried in the body
The three major types of vessels
carry blood away from the heart
carry blood toward the heart
in a closed system of vessels that beg…
how is blood carried in the body
arteries, capillaries, and veins
The three major types of vessels
30 terms
A&P Unit 9 Set #3 - The Blood Vessels & Circulation
Vascular System
Tunica intima
Tunica media
Tunica externa
The closed system of vessels through which blood circulates;…
The innermost layer of a blood vessel wall; a thin layer of e…
The bulky middle layer of a blood vessel wall; consists of sm…
The tough outer layer of a blood vessel wall; composed primar…
Vascular System
The closed system of vessels through which blood circulates;…
Tunica intima
The innermost layer of a blood vessel wall; a thin layer of e…
25 terms
Blood Vessels
Clotting Response
hemostasis
Clotting cascade
Vascular phase of clotting
Platelets primary function... Complex cascade of events that red…
Control of bleeding... -very quick, platelets seal off damaged b…
vascular phase (about 30 minutes after injury), platelet phas…
lasts about 30min. endothelial cells in vessel release endoth…
Clotting Response
Platelets primary function... Complex cascade of events that red…
hemostasis
Control of bleeding... -very quick, platelets seal off damaged b…
135 terms
Chapter 23: Blood Vessels
function of arteries
function of veins
function of capillaries
3 layers that make up the vessel wall
carry blood away from heart
carry blood toward the heart
bridge arteries and veins, allow diffusion between blood and…
tunica externa, tunica media, tunica intima
function of arteries
carry blood away from heart
function of veins
carry blood toward the heart
32 terms
Chapter 18: Blood Vessels and Circulation
Distinguish among the three layers of…
Three types of vessels
General features of blood vessels
Arteries
(Inner) Tunica intima: simple squamous epithelium cells, base…
1. Arteries... 2. Capillaries... 3. Veins
Arteries carry blood away from the heart toward capillaries.…
1. Large elastic (conducting) arteries are thick-walled with…
Distinguish among the three layers of…
(Inner) Tunica intima: simple squamous epithelium cells, base…
Three types of vessels
1. Arteries... 2. Capillaries... 3. Veins
19 terms
Blood Vessels
anastomes
blood shunting
conducting arteries
continuous capillaries
provide alternate route for blood in case of occlusion or dam…
direct blood flow to various parts of the body according to t…
The biggest arteries are known as ___ ___. Some examples are…
Form an uninterupted tube. Endothelial cells joined by tight…
anastomes
provide alternate route for blood in case of occlusion or dam…
blood shunting
direct blood flow to various parts of the body according to t…
Ch 5: Blood Vessels
systemic circulation
pulmonary circulation
coronary circulation
arteries
transports blood between the heart and all parts of the body…
transports blood between the heart and lungs
transports blood between the heart chambers and the heart's m…
vessels that transport blood away from the heart
systemic circulation
transports blood between the heart and all parts of the body…
pulmonary circulation
transports blood between the heart and lungs
150 terms
A&P 2 Test 2 Blood Vessels
What are the 5 classes of Blood vessels
Arteries function
arterioles
capillaries function
arteries, arterioles, capillaries, venules, and veins
carry blood AWAY from the heart
smallest branches of arteries
smallest blood vessels (DIFFUSION)... location of exchange btw b…
What are the 5 classes of Blood vessels
arteries, arterioles, capillaries, venules, and veins
Arteries function
carry blood AWAY from the heart
22 terms
Blood Vessels: Overview
arteriole
arteriovenous anastomosis
artery
capillary
(also, resistance vessel) very small artery that leads to a c…
short vessel connecting an arteriole directly to a venule and…
blood vessel that conducts blood away from the heart; may be…
smallest of blood vessels where physical exchange occurs betw…
arteriole
(also, resistance vessel) very small artery that leads to a c…
arteriovenous anastomosis
short vessel connecting an arteriole directly to a venule and…
Chapter 18 Blood Vessels
Vasculature
pathway
Arteries ( systemic circuit).
Veins (systemic circuit).
Term the blood vessels are referred as collectively.
Arteries... Arterioles... capillary bed ( splinters control flow th…
carry blood away from heart; oxygenated ... (except for pulmonar…
carry blood toward heart; deoxygenated ... (except for pulmonary…
Vasculature
Term the blood vessels are referred as collectively.
pathway
Arteries... Arterioles... capillary bed ( splinters control flow th…
56 terms
Blood Vessels
Artery
Vein
Capillaries
Three layers of veins and arteries
Carries blood away from the heart; Oxygenated except for pulm…
Carries blood to the heart; Deoxygenated
Contact tissue cells and directly serve cellular needs; Micro…
Tunica interna, tunica media and tunica externa
Artery
Carries blood away from the heart; Oxygenated except for pulm…
Vein
Carries blood to the heart; Deoxygenated
29 terms
Blood vessels
This structure of blood vessels reduce…
This structure of blood vessels is res…
These fibers increase and decrease lum…
This structure of blood vessels protec…
Endothelium of tunica intima
Smooth muscle of tunica media
Vasomotor fibers
Collagen fibers of tunica externa
This structure of blood vessels reduce…
Endothelium of tunica intima
This structure of blood vessels is res…
Smooth muscle of tunica media
86 terms
HEMODYNAMICS/BLOOD VESSELS
list and explain the three factors aff…
diagram the factors that impact MAP. I…
describe how the cardiac and vasomotor…
expalin how cardiac output and or blod…
...
...
...
...
list and explain the three factors aff…
...
diagram the factors that impact MAP. I…
...
114 terms
Blood vessels and blood circulation
Aorta
Arteriole
Artery
Baroreceptor
(Systemic) divided into four segments, receives blood from th…
Small atrial subdivisions
Thick walled, large tubes
Responds to pressure such as those in vessel walls that respo…
Aorta
(Systemic) divided into four segments, receives blood from th…
Arteriole
Small atrial subdivisions
71 terms
physiology ch 21 blood vessels
blood pressure
arteries
arterioles
capillaries
pressure exerted by the blood against the walls of the vessels
receive blood from the heart under high pressure
deliver blood to capillaries
networks throughout the body tissues, exchange of molecules b…
blood pressure
pressure exerted by the blood against the walls of the vessels
arteries
receive blood from the heart under high pressure
46 terms
Blood Vessels
Artery
Vein
Endothelium
Lumen
Blood vessel that drains blood AWAY from the heart
Blood vessel that drains blood back TO the heart
Innermost layer of an artery that is made of Simple Squamous…
The hollow space within a blood vessel
Artery
Blood vessel that drains blood AWAY from the heart
Vein
Blood vessel that drains blood back TO the heart
Circulatory System - Blood Pressure
A) oxygen... B) nutrients... C) waste products
A) capillaries... B) heart... C) vessels
A) cardiac output... B) blood volume
Nervous and endocrine systems
When blood pressure is too low, there is inadequate delivery…
When blood pressure is too high, there is inadequate material…
The human body is able to regulate blood pressure by altering…
can increase and decrease heart rate
A) oxygen... B) nutrients... C) waste products
When blood pressure is too low, there is inadequate delivery…
A) capillaries... B) heart... C) vessels
When blood pressure is too high, there is inadequate material…
24 terms
Chapter 20 Blood Vessels
Tunica Intima
Tunica Media
Vasodilation
Vasoconstriction
Contains the cells in blood vessels that directly interact wi…
Muscular layer that is responsible for vessel diameter. Targe…
Vessel widens
Vessel narrows
Tunica Intima
Contains the cells in blood vessels that directly interact wi…
Tunica Media
Muscular layer that is responsible for vessel diameter. Targe…
58 terms
Chapter 14: Blood Vessels and Blood Circulation
Aorta
Arteriole
Artery
Baroreceptors
The largest artery. Carries blood away from the heart
Small subdivisions of arteries. They carry blood into the cap…
Vessels that cary blood away from the heart
Receptor that responds to pressure.
Aorta
The largest artery. Carries blood away from the heart
Arteriole
Small subdivisions of arteries. They carry blood into the cap…
91 terms
Chapter 19 Blood Vessels
Delivery System of dynamic structures…
carry blood away from the heart (excep…
contact tissue cells and directly serv…
carry blood towards the heart
blood vessels
arteries
capillaries
Veins
Delivery System of dynamic structures…
blood vessels
carry blood away from the heart (excep…
arteries
11 terms
Blood vessels
Sympathetic nervous system effect on v…
CO2 effect on vessels
H+ effect on vessels
Adenosine effect on vessels
Vasoconstriction
Vasodilation
Vasodilation
Vasodilation
Sympathetic nervous system effect on v…
Vasoconstriction
CO2 effect on vessels
Vasodilation
91 terms
The Cardiovascular System: Blood Vessels
Lumen
Tunica
Tunica Intima
Endothelium
Cavity inside a tube, blood vessel, or hollow organ
A covering or tissue coat; a membrane layer
Endothelium; lies next to lumen; continuous with the endocard…
Simple squamous epithelium
Lumen
Cavity inside a tube, blood vessel, or hollow organ
Tunica
A covering or tissue coat; a membrane layer
12 terms
Anatomy of blood vessels
capillaries
interna
media
externa
gas & nutrient exchange to & from tissues happens in these bl…
tunica _____ - these squamous endothelial cells line the bloo…
tunica _____ - this is a layer of smooth muscle that surround…
tunica ______ - this is the outermost layer that surrounds bl…
capillaries
gas & nutrient exchange to & from tissues happens in these bl…
interna
tunica _____ - these squamous endothelial cells line the bloo…
15 terms
Homeostasis
Homeostasis
Nervous system and Endocrine system
Receptors
Effectors
Tendency of an organism to maintain internal equilibrium
Control centers of homeostasis
Detect changes to a specific variable
Execute corrective actions and respond to stimuli
Homeostasis
Tendency of an organism to maintain internal equilibrium
Nervous system and Endocrine system
Control centers of homeostasis
53 terms
lecture 23 Blood vessels 1
what do blood vessels transfer
what kind of system is the cardiovascu…
pulmonary circuit
systemic circuit
gases: O2 from lungs and CO2 from cells... nutrients: carbs, lip…
closed
transports blood from heart TO THE LUNGS... -allows exchange for…
transports blood throughout the body to all other organs for…
what do blood vessels transfer
gases: O2 from lungs and CO2 from cells... nutrients: carbs, lip…
what kind of system is the cardiovascu…
closed
13 terms
Chapter 21: Vasodilation vs Vasoconstriction
Vasodilation
Vasoconstriction
Atrial Natriuretic Peptide
ADH
An increase in the size of the lumen of a blood vessel caused…
A decrease in the size on the lumen of a blood vessel caused…
Vasodilation
Vasoconstriction
Vasodilation
An increase in the size of the lumen of a blood vessel caused…
Vasoconstriction
A decrease in the size on the lumen of a blood vessel caused…
120 terms
Disorder of Blood Vessels
From out to in of the vessel walls
Large vessels
Endothelial Cell function
Types of arteries
- Adventitia (supporting fibrous tissue... - Media- mainly smoot…
Have an additional subendothelial layer with connective tissu…
- Controls diffusion of substance... - Keeps blood in a smooth,…
- Elastic... - Muscular
From out to in of the vessel walls
- Adventitia (supporting fibrous tissue... - Media- mainly smoot…
Large vessels
Have an additional subendothelial layer with connective tissu…
38 terms
Blood Vessels | Chapter 19
Structurs of Blood Vessels
Artery
Vein
Tunica Intima (Tunica Interna)
Arteries & veins: 3 tunica, capillaries : 1 tunic.... Wall diffe…
Lumen: circular/oval shape (b/c of vasmotor tone),... - smalle…
Lumen: irregular shape,... - has a larger lumen than its counter…
In contact with the blood, comprised of endothelium (& subend…
Structurs of Blood Vessels
Arteries & veins: 3 tunica, capillaries : 1 tunic.... Wall diffe…
Artery
Lumen: circular/oval shape (b/c of vasmotor tone),... - smalle…
42 terms
Blood Vessels
Cardiac Circulation
Pulmonary Circulation
Systemic Circulation
Peripheral Circulation
blood flow within the heart ONLY
flow of blood from heart to lungs and back
flow of blood from heart to the rest of the body systems
blood vessels outside of the heart
Cardiac Circulation
blood flow within the heart ONLY
Pulmonary Circulation
flow of blood from heart to lungs and back
42 terms
Blood Vessels and Blood Pressure
Blood Pressure
Pressure gradient
Vascular resistance
Factors affecting resistance
Force exerted by the blood on the vessel wall
Difference in pressure between the beginning and ending of a…
As resistance increases flow rate decreases
Viscosity - friction between molecules increases resistance (…
Blood Pressure
Force exerted by the blood on the vessel wall
Pressure gradient
Difference in pressure between the beginning and ending of a…
38 terms
Blood Vessels | Chapter 19
Structurs of Blood Vessels
Artery
Vein
Tunica Intima (Tunica Interna)
Arteries & veins: 3 tunica, capillaries : 1 tunic.... Wall diffe…
Lumen: circular/oval shape (b/c of vasmotor tone),... - smalle…
Lumen: irregular shape,... - has a larger lumen than its counter…
In contact with the blood, comprised of endothelium (& subend…
Structurs of Blood Vessels
Arteries & veins: 3 tunica, capillaries : 1 tunic.... Wall diffe…
Artery
Lumen: circular/oval shape (b/c of vasmotor tone),... - smalle…
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