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Terms in this set (131)
The muscular layer in the wall of a blood vessel is the tunica
Compared to arteries, veins
have thinner walls
Capillaries that have a complete lining are called
The smallest arterial branches are called the
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 a vessel contains collagen fibers with scattered bands of elastic fibers?
After blood leaves the capillaries, it enters the
Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?
The large vessels that return blood to the heart are called
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 vessel?
Venoconstriction ________ the amount of blood within the venous system, which ________ the volume in the arterial and capillary systems.
Venae cavae are the largest of what type of vessel?
Of the following, which is an elastic artery?
These vessels may be continuous or fenestrated.
Capillaries with a perforated lining are called
Exchange between a blood vessel and the cells that surround it can occur only in
Which kind of vessel is also called a resistance vessel?
Blood flow through a capillary is controlled by the
The common iliac artery is an example of which type of artery?
Venoconstriction reduces the diameter of which vessel?
The brachial and femoral arteries are examples of which type of artery?
Complications related to arteriosclerosis account for roughly ________ percent of deaths in the United States.
Which of the following are the smallest venous vessels?
Blood moves forward through veins because of all of the following except
pumping by the smooth muscle in the wall of the vein
Which part of the vascular system functions as a blood reservoir and contains over 60% of the body's blood?
The main control of peripheral resistance occurs in the
The ________ are small blood vessels that nourish tissue components in the wall of large arteries and veins.
The increase in effective blood volume that results from venoconstriction is the
In the condition known as ________, the wall of an artery becomes thicker and stiffer.
The condition known as ________ is characterized by the formation of fatty plaques within the wall of arteries.
A(n) ________ is a bulge, or weakened wall, of an artery.
________ form elaborate capillary networks within tissues that allow for very slow blood flow.
The tunica intima consists of
simple squamous epithelium, loose connective tissue
What are the layers of blood vessels from outside to inside?
tunica externa; tunica media; tunica interna
Which vessel has only the tunica intima layer?
Distension of the superficial veins caused by weakened valves is termed
Resistance is a force that
decreases blood flow
Total peripheral resistance is related to all of the following except the
osmolarity of interstitial fluids
As blood travels from arteries to veins,
In what vessel is blood pressure the highest?
Blood pressure increases with all of the following except increased
The vascular pressure that declines from roughly 35 mm Hg to about 18 mm Hg is the
capillary hydrostatic pressure
Clinically, the term blood pressure usually refers to
The difference between the systolic and diastolic pressures is called the ________ pressure.
Each of the following changes will result in increased blood flow to a tissue except
The resistance to blood flow of the entire cardiovascular system is known as
total peripheral resistance
Cross-sectional area is highest in
A temporary loss of consciousness due to a decrease in blood flow to the brain is termed
Each of the following will lead to a decrease in blood pressure except
release of renin
Each of the following will cause an increase in blood pressure except
increased levels of ANP
Stimulation of the aortic baroreceptors reflexively results in
increased activity by the parasympathetic nervous system
Fear can result in
increased stimulation of the cardioaccelerator center by higher brain centers.
The regulation of blood flow by local mechanisms within a capillary bed is called
Partial constriction due to constant sympathetic stimulation of blood vessels is known as
Baroreceptors are located in the
carotid and aorta
Which is not an effect of angiotensin II to increase blood pressure?
Which of the following changes does not occur during exercise compared to rest?
Skin blood flow is lower
All of the following occur during exercise except
angiotensin II is released.
In response to hemorrhage, there is
mobilization of the venous return
Trained athletes tend to have ________ heart rates and ________ stroke volumes than nonathletes at rest.
Pulmonary arteries carry blood to the
Branches off the aortic arch include the
Brachiocephalic trunk, left subclavian artery, and left common carotid artery
Major branches of the subclavian artery include the ________ artery(ies).
After passing the first rib, the subclavian artery becomes the ________ artery.
After entering the arm, the axillary artery becomes the ________ artery.
The two vertebral arteries fuse to form a large artery called the
The ________ carries nutrient-rich blood into the liver.
hepatic portal vein
The internal carotids and the basilar artery are interconnected by an anastomosis called the
cerebral arterial circle
Near the carotid sinus,
the common carotid divides into an internal and an external branch.
The ________ divides the aorta into the thoracic aorta and the abdominal aorta.
Branches of the thoracic aorta include all of the following except the ________ arteries.
Near the level of vertebra L4, the aorta branches to form the ________ arteries.
The external iliac artery branches to form the ________ arteries.
femoral and deep femoral
At the knee, the femoral artery becomes the ________ artery.
Branches of the popliteal artery include the
anterior tibial artery
The vessel that receives blood from the head, neck, chest, shoulders, and arms is the
superior vena cava
Veins of the brain empty into
Which of the following is a deep vein of the forearm?
The radial and ulnar veins fuse to form the ________ vein.
At the level of the first rib, the axillary vein becomes the ________ vein.
The fusion of the brachiocephalic veins forms the
superior vena cava
Each of the following is a component of the cerebral arterial circle except the ________ artery.
An important artery that supplies blood to the brain is the ________ artery.
Blood from the brain returns to the heart through the ________ vein.
Which of the following contributes to the formation of the popliteal vein?
anterior and posterior tibial and fibular
Blood from capillaries on the superior surface of the foot drains into a(n)
dorsal venous arch
Blood from the dorsal venous arch is drained by the ________ vein(s).
At the knee, the small saphenous, tibial, and fibular veins unite to form the ________ vein.
When the popliteal vein reaches the femur, it becomes the ________ vein.
The ________ vein is formed by the fusion of the greater saphenous vein, femoral vein, and deep femoral vein.
Which of the following veins empty directly into the inferior vena cava?
The two common iliac veins form the
inferior vena cava
The blood vessel that carries blood to the arm and shoulder is the ________ artery.
The blood vessel that supplies blood to the head and neck is the ________ artery.
The bronchial arteries branch from the ________ to supply the lung airways.
The blood vessel that supplies blood to the liver, stomach, and spleen is the
The blood vessel that supplies blood to the pancreas, the small intestine, and most of the large intestine is the
superior mesenteric artery
The ________ is the kidney's sole blood supply.
The blood vessel that branches from the subclavian artery to supply the anterior wall of the chest is the
The blood vessel that supplies blood to the cerebral arterial circle from the posterior is the ________ artery.
The superior phrenic artery supplies blood to the
The ________ artery supplies blood to the face.
The lower part of the large intestine including the rectum receives blood from the
inferior mesenteric artery
Ovaries and testes receive a blood supply from the ________ arteries.
The inferior portion of the spinal cord and the abdominal wall receive blood from the
The larger of the two branches of the common iliac artery is the ________ artery.
The branch of the common iliac artery that enters the pelvic cavity is the ________ artery.
The vessels that receive blood from the ovaries or testes are the
Blood is drained from the liver by the
The ________ receives blood from the diaphragm.
Blood returns from the gallbladder by way of the ________ vein.
Arteries that supply the plantar portion of the foot branch from the posterior ________ artery.
the vein in the arm commonly sampled for blood by venipuncture is the ________ vein.
The ________ vein ascends along the ulnar side of the forearm.
The ________ vein ascends along the radial side of the forearm.
Blood from the medial border of the stomach is drained by the
Blood is drained from the lower portion of the large intestine by the
inferior mesenteric vein
Veins from the spleen, pancreas, and lateral border of the stomach unite to form the
The ________ collects blood from the entire small intestine and two-thirds of the large intestine.
superior mesenteric vein
Which of the following arteries is not a trunk?
The left and right coronary arteries originate at the
The brachiocephalic trunk delivers blood to
right arm, head and neck
The blood vessel that supplies blood to the muscles and other tissues of the neck, shoulder, and upper back is the
The fingers are supplied with blood by the ________ arteries.
An important pulse point in the neck on the lateral sides of the trachea is the
common carotid artery
Which blood vessel enters the brain through the carotid canal?
internal carotid artery
The internal carotid artery branches into the
The azygos vein is the major branch of the
superior vena cava
The gluteal, internal pudendal, obturator, and lateral sacral veins fuse to form the
internal iliac vein
The largest branches of the inferior vena cava are the
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