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The epicardium and the fibrous pericardium are two names for the same structure.

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Name and describe the types of arteries from largest to smallest.What is the function of each?

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The types of arteries from largest to sm...

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Collagen fibers function to keep the lumen of the blood vessel open.

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Match each term related to heart circulation with its corresponding location or description. -heart chamber that receives blood from the pulmonary vein


A) Right ventricle
B) Right atrium
C) Left atrium
D) Left ventricle
E) Right atrioventricular valve
F) Left atrioventricular valve
G) Aortic semilunar valve
H) Pulmonary semilunar valve
I) Superior vena cava
J) Aorta
K) Pulmonary vein
L) Pulmonary artery

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Atherosclerosis is characterized by the deposition of lipids in the tunica:


A) intima.
B) adventitia.
C) media.
D) All of the above are correct.

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The blood vessel connecting the two capillary beds in the hepatic portal system is called a(n) :


A) artery, because it is carrying blood to a capillary bed.
B) arteriole, because it has a precapillary sphincter muscle.
C) vein, because it is draining blood from a capillary bed.
D) portal vessel, because it is not easily classified as an artery or vein.

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Which of the following is not true of the atria?


A) They have thinner myocardial walls than do ventricles.
B) They are the same structure as the auricle.
C) They are called receiving chambers of the heart.
D) All of the above are true of the atria.

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As a person grows to adulthood,the heart increases in size and becomes a greater percent of the body weight.

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Microcirculation includes only the blood flowing through the capillaries.

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Which of the following is a cuspid valve?


A) Aortic
B) Pulmonary
C) Mitral
D) Both A and B

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Match each term related to heart circulation with its corresponding location or description. -valve through which the right ventricle pumps blood


A) Right ventricle
B) Right atrium
C) Left atrium
D) Left ventricle
E) Right atrioventricular valve
F) Left atrioventricular valve
G) Aortic semilunar valve
H) Pulmonary semilunar valve
I) Superior vena cava
J) Aorta
K) Pulmonary vein
L) Pulmonary artery

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The muscular layer of the heart wall is the:


A) epicardium.
B) pericardium.
C) myocardium.
D) endocardium.

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The value of an anastomosis is that it allows blood to bypass a blood vessel obstruction.

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Which chamber of the heart normally has the thickest wall? Why is this thick wall helpful in accomplishing its function?

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The chamber of the heart that normally h...

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Blood leaving the right ventricle passes through the right atrioventricular valve.

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The correct order of the layers of the heart from deep to superficial are:


A) myocardium, pericardium, and endocardium.
B) epicardium, myocardium, and pericardium.
C) epicardium, myocardium, and endocardium.
D) endocardium, myocardium, and epicardium.

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The bulk of the heart wall is myocardium.

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Name and explain the two exceptions to the typical "artery-capillary-vein" type of circulation found in the circulatory system.

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The two exceptions to the typical "arter...

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The tissue layers of blood vessels from exterior to interior are:


A) tunica media, tunica intima, and tunica adventitia.
B) tunica adventitia, tunica media, and tunica intima.
C) tunica intima, tunica media, and tunica adventitia.
D) tunica media, tunica adventitia, and tunica intima.

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A portal system sends blood through two sets of capillaries.

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