The muscular layer in the wall of a blood vessel is the tunica
media
A____ is a bulge , or weakened wall , of an artery
Aneurysm
The different between the systolic and diastolic pressure is called the____ pressure
Blood
The blood vessels that supplies blood to the head and neck is the ______ artery .
Common Carotid
The left and right coronary arteries originate at the ______.
base of aorta
The finger are supplied with blood by the _____ arteries.
...
You can expect children to have Lower blood pressure than adults on average because
their blood vessels length is less
A temporary loss of consciousness due to a decrease in blood flow to the brain is termed
fainting
Each of the following will lead to a decrease in blood pressure except
release of renin
Fear can result in
increased stimulation of the cardioaccelerator center by higher brain centers.
Elevated levels of the the natriuretic peptide hormones ANP and BNP will produce increased
salt and water loss through the kidneys
Which of the following conditions is least likely to lead to rein release ?
Hypertension
Baroreceptors are located in the:
carotid sinus
pulmonary arteries carry blood to the
lungs
The pulmonary veins carry ____ blood to the _____.
Oxygenated; left atrium
How many pulmonary veins are there?
4
Branches off the aortic arch include the
Brachiocephalic trunk, left subclavian artery, and left common carotid artery
The ____ carries nutrients-rich blood into the liver
Hepatic portal
The ___ divides the aorta into the thoracic aorta and abdominal aorta .
diaphragm
At the knee the femoral artery becomes the ___ artery
popliteal
The vessels that receives blood from the head , neck , chest , shoulder, and arms is the
Superior Ven Cava
What are the layers of the blood vessels from outside to inside?
tunica externa, tunica media, tunica interna
What is the primary reason for cardiovascular diseases affects older women and not younger women ?
Older women lack estrogen
A genetic condition that leads to the inability to absorb and recycle cholesterol in the liver ?
Familial hypercholesterolemia
Which of the following is not a commonly palpable arterial pressure point ?
Femoral
Which vessel has only the tunica intima layer ?
Capillaries
Resistance is a force that
decreases blood flow
As blood travels from arteries to veins,
pressure drops
Blood pressure is determined by
estimating the pressure needed to close off an artery with an external pressure cuff.
In what vessels is blood pressure the highest?
Artery
Blood pressure increases with all the following expect increased
Parasympathetic innervation
The main concept of peripheral resistance occurs in the
Arteriole
Clinically, the term blood pressure usually refers to
arterial pressure
Average over few hearts beats venous return is ____cardiac output
Somewhat lower than
Blood pressure is lowest in the
veins
If blood pressure doubled, the blood flow through a vessel would be
doubled
Compared to arteries, veins
have thinner walls
Capillaries that have a complete lining are called
continuous capillaries
The smallest arteries branches are called
arterioles
The layer between the tunica media and the tunica externa in a large artery is the
external elastic membrane
Which of the following layers of vessels contains collagen with scatted bands of elastic fibers ?
Tunica. Externa
After blood leaves the capillaries, it enters the
venules
Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?
tunica media
The large vessels that return blood to the heart are called
veins
In arteries, the thick layer of elastic fibers associated with the tunica intima is called the
internal elastic membrane
Which of the following is the innermost layer of a blood vessels ?
tunica interna
Venoconstriction ________ the amount of blood within the venous system, which ________ the volume in the arterial and capillary systems.
reduces; increases
Venous vales are responsible for
Prevent blood from re entering a ventricle
Vena cave are the largest of what type of vessels?
Veins
Which of the following vessels change diameter most readily to local conditions or SNS stimulation?
Arteroles
Of the following which is an elastic artery?
subclavian
A sample of tissue displays many large flattened spaces lined by fenestrated endothelium. Blood moves slowly through these spaces. This tissue sample most likely came from the
liver
These vessels may be continuous or fenestrated.
capillaries
What structure do RBC's move thought single -file ?
Capillaries
Capillaries with a perforated lining are called
fenestrated capillaries
Exchange between a blood vessel and the cells that surround it can occur only in
capillaries
Which kind of vessel is also called a resistance vessel?
arteriole
Blood flow through a capillary is controlled by the
precapillary sphincter
The common iliac artery is an example of which type of artery ?
elastic
Venoconstriction reduces the diameter of which vessel?
vein
The brachial and femoral arteries are examples of which type of artery?
muscular
What vessels contain elastic fibers in the walls that are stretched during systole?
arteries
Which of the following is mostly likely to result from an aneurysm in the brain artery ?
Stroke
arteriosclerosis can lead to all the following except
diabetes
Which of the following are the smallest venous vessels?
venules
Blood moves forward through veins because of all of the following, exctept
Pumping by the smooth muscle in the wall of the vein
What is the correct order for the sequence of blood vessels that blood would travel in the systemic circuit starting at the aorta ?
4, 7, 2, 3, 1, 5, 6
The main concept of peripheral resistance occur in the
Arterioles
Multiple arteries joined in order to serve a single capillary network are called
collaterals
The direct interconnected of two arteries is called an arterial
Anastomosis
In the condition know as ____ the wall of an artery becomes thicker and stiffer
Atherosclerosis
After blood leaves the capillaries, it enters the
venules
Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?
tunica media
The large vessels that return blood to the heart are called
veins
In arteries, the thick layer of elastic fibers associated with the tunica intima is called the
internal elastic membrane
Which of the following is the innermost layer of a blood vessels ?
tunica interna
Venoconstriction ________ the amount of blood within the venous system, which ________ the volume in the arterial and capillary systems.
reduces; increases
Venous vales are responsible for
Prevent blood from re entering a ventricle
Vena cave are the largest of what type of vessels?
Veins
Which of the following vessels change diameter most readily to local conditions or SNS stimulation?
Arteroles
Of the following which is an elastic artery?
subclavian
A sample of tissue displays many large flattened spaces lined by fenestrated endothelium. Blood moves slowly through these spaces. This tissue sample most likely came from the
liver
These vessels may be continuous or fenestrated.
capillaries
What structure do RBC's move thought single -file ?
Capillaries
Capillaries with a perforated lining are called
fenestrated capillaries
Exchange between a blood vessel and the cells that surround it can occur only in
capillaries
Which kind of vessel is also called a resistance vessel?
arteriole
Blood flow through a capillary is controlled by the
precapillary sphincter
The common iliac artery is an example of which type of artery ?
elastic
Venoconstriction reduces the diameter of which vessel?
vein
The brachial and femoral arteries are examples of which type of artery?
muscular
What vessels contain elastic fibers in the walls that are stretched during systole?
arteries
Which of the following is mostly likely to result from an aneurysm in the brain artery ?
Stroke
arteriosclerosis can lead to all the following except
diabetes
Which of the following are the smallest venous vessels?
venules
Blood moves forward through veins because of all of the following, exctept
Pumping by the smooth muscle in the wall of the vein
What is the correct order for the sequence of blood vessels that blood would travel in the systemic circuit starting at the aorta ?
4, 7, 2, 3, 1, 5, 6
The main concept of peripheral resistance occur in the
Arterioles
Multiple arteries joined in order to serve a single capillary network are called
collaterals
The direct interconnected of two arteries is called an arterial
Anastomosis
In the condition know as ____ the wall of an artery becomes thicker and stiffer
Atherosclerosis