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Exam 14: The Cardiovascular System

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Question 21

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The second layer of the wall of the heart, the ____, makes up the bulk of the heart.​

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

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Question 22

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The ____ arteries supply muscles of the thorax.​

A) ​coronary
B) ​renal
C) ​gonadal
D) ​intercostal

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Question 23

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The atrioventricular valve between the left atrium and the left ventricle is known as the ____ valve.​

The heart beats about ____________________ times per minute.​

The tunica ____ of arteries and veins is composed of a single layer of endothelial cells.​

The atrioventricular node is known as the pacemaker.​

A ____ is an abnormal heart sound akin to a fluttering or a humming sound.​

The outermost layer of the wall of the heart is the ____.​

The pulmonary semilunar valve is found in the right ventricle.​

The ____________________ is the largest artery in the body.​

The mitral valve is also called the ____.​

Matching Match the description with the corresponding term.​ a.​SA node b.​Purkinje's fibers c.​systole d.​capillaries e.​myocardium f.​diastole g.​ventricle h.​artery i.​tunica media j.anastomosis -​makes up bulk of the heart

Matching Match the description with the corresponding term.​ a.​SA node b.​Purkinje's fibers c.​systole d.​capillaries e.​myocardium f.​diastole g.​ventricle h.​artery i.​tunica media j.anastomosis -​phase of contraction

The hollow core of a blood vessel is called the ____.​

Matching Match the description with the corresponding term.​ a.​SA node b.​Purkinje's fibers c.​systole d.​capillaries e.​myocardium f.​diastole g.​ventricle h.​artery i.​tunica media j.anastomosis -​pacemaker

The groove that separates the atria from the ventricles is called the coronary ____.​

The ____ circulation supplies the brain with oxygen and nutrients and disposes of waste.​

Matching Match the description with the corresponding term.​ a.​SA node b.​Purkinje's fibers c.​systole d.​capillaries e.​myocardium f.​diastole g.​ventricle h.​artery i.​tunica media j.anastomosis -​muscular layer of blood vessels

The ____ portal vein drains the organs of the digestive tract and then continues to the liver.​

The outermost layer of the pericardial sac is the ____.​