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The letters BCD designate the ________ complex, which indicates that an electrical impulse was sent through the ventricles.

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Mrs. Landon has been diagnosed with coronary artery disease. Her cholesterol level is high, and the physician advised her to get more exercise and follow a low-fat diet. At her follow-up appointment, however, the physician tests her cholesterol level and it is still unacceptably high. Which of the following medications might you expect the physician to prescribe to help lower her cholesterol?


A) RhoGAM
B) Lasix
C) Lipitor
D) Aspirin
E) Ibuprofen

F) A) and B)
G) A) and E)

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The ____ valve is between the right ventricle and the pulmonary trunk.


A) tricuspid
B) bicuspid
C) pulmonary semilunar
D) aortic semilunar
E) right atrioventricular

F) B) and D)
G) All of the above

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When the ventricles relax, blood pressure in arteries is at its lowest. This pressure is called the ________ pressure.

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Which of the following does not cause an increase in the heart rate?


A) Strenuous exercise
B) Elevated body temperature
C) Parasympathetic nerve stimulation
D) Sympathetic nerve stimulation
E) Low concentration of potassium ions

F) C) and E)
G) C) and D)

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Inflammation of the inner lining of the heart is called ________.

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Which of the following veins drains the intestines?


A) Mesenteric
B) Renal
C) Brachial
D) Iliac
E) Intercostal

F) A) and C)
G) D) and E)

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Which of the following can cause longer-than-normal heart contractions?


A) Strenuous exercise
B) Elevated body temperature
C) High concentration of potassium ions
D) High concentration of calcium ions
E) Elevated heart rate

F) A) and B)
G) A) and D)

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Which of these covers the heart and the large blood vessels attached to it?


A) Pericardium
B) Myocardium
C) Epicardium
D) Endocardium
E) Pericardial cavity

F) A) and B)
G) A) and C)

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Which component of the conduction system is located between the ventricles?


A) SA node
B) AV node
C) Bundle of His
D) Purkinje fibers
E) Bundle branches

F) B) and C)
G) All of the above

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The ________ circuit is the route that blood takes from the heart to the lungs and back to the heart again.

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The ____ artery supplies the thigh.


A) left carotid
B) right subclavian
C) celiac
D) phrenic
E) femoral

F) A) and E)
G) B) and E)

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Which layer of the heart is the outermost layer, which contains fat to cushion the heart?


A) Epicardium
B) Myocardium
C) Endocardium
D) Pericardium
E) Pericardial cavity

F) A) and E)
G) A) and D)

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Which of the following causes of chest pain is heart-related?


A) Pleurisy
B) Heartburn
C) Angina
D) Inflammation of the pancreas
E) Costochondritis

F) A) and D)
G) A) and C)

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The ____ are small vessels that carry oxygenated blood.


A) arterioles
B) arteries
C) veins
D) venules
E) capillaries

F) C) and E)
G) All of the above

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Which of these layers of the heart wall contains Purkinje fibers?


A) Epicardium
B) Myocardium
C) Endocardium
D) Pericardium
E) Pericardial cavity

F) A) and D)
G) B) and D)

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When the right ventricle contracts, deoxygenated blood is pushed through the pulmonary semilunar valve into a larger artery called the ________ (letter I).

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The cusps of valves are anchored by cordlike structures called ________ _________ to bumps of cardiac muscle called papillary muscles.

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The pulmonary trunk branches into the left and right ________ (letter J), which carry deoxygenated blood to the lungs.

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The ____ vein removes blood from the thorax and abdomen.


A) azygos
B) intercostal
C) saphenous
D) iliac
E) axillary

F) All of the above
G) A) and E)

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