True/False: Indicate whether the
statement is true or false.
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1.
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The lower part of the septum is called the interatrial septum.
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2.
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The double-layered membrane that covers the outside of the heart is the
endocardium.
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3.
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The period of ventricular contraction in the heart is called diastole.
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4.
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During diastole, the atria are filling with blood and the ventricles
contract.
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5.
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Electrical impulses originating in the heart cause the cyclic contraction of the
muscles.
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6.
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The movement of the electrical impulse in the heart can be used to detect
abnormal activity or disease.
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7.
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The smallest branches of arteries are called arterioles.
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8.
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Capillaries have thin walls containing only one layer of cells.
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9.
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Capillaries allow oxygen and nutrients to pass through to body cells.
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10.
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Fibrinogen and prothrombin are blood proteins necessary for the clotting of
blood.
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11.
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Plasma is approximately 75 percent water with many suspended substances.
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12.
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Hemoglobin carries both oxygen and carbon dioxide.
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13.
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Phagocytosis is a process by which erythrocytes destroy pathogens or
germs.
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14.
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Hypotension is high blood pressure.
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15.
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Aplastic anemia is a result of injury to or destruction of the bone
marrow.
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16.
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Arteriosclerosis is a ballooning out of, or saclike formation on, an artery
wall.
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17.
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An embolus is a foreign substance circulating in the bloodstream.
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18.
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A common symptom of a myocardial infarction is a severe, crushing pain that
radiates to the arm, neck, and jaw.
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19.
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Leukemia is a malignant disease of the blood vessels that destroys white blood
cells.
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20.
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Sickle cell anemia is a chronic, inherited anemia that occurs almost exclusively
among African Americans.
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21.
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Arrhythmias are abnormal heart rhythms and can be mild to life
threatening.
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22.
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Fixed pacemakers deliver electrical impulses only when the heart’s own
conduction system is not responding correctly.
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23.
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Neutrophils, monocytes, thrombocytes, and lymphocytes are all different types of
leukocytes.
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24.
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Angioplasty may be used to remove or compress deposits in arteries, or to insert
a stent to allow blood flow.
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25.
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If hypertension is not treated, it can cause permanent damage to the heart,
blood vessels, and kidneys.
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26.
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Even though the heart weighs less than one pound, it pumps approximately 2,000
gallons of blood through the body each day.
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Multiple Choice: Identify the
choice that best completes the statement or answers the question.
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1.
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The muscle layer of the heart is the ____.
A | endocardium | C | ectocardium | B | pericardium | D | myocardium |
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2.
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The chamber of the heart that receives deoxygenated blood as it returns from
body cells is the ____.
A | right atrium | C | left atrium | B | right ventricle | D | left ventricle |
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3.
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The chamber of the heart that receives oxygenated blood as it returns from the
lungs is the ____.
A | right atrium | C | left atrium | B | right ventricle | D | left ventricle |
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4.
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The valve between the right atrium and right ventricle that prevents blood from
flowing back into the right atrium is the ____.
A | tricuspid valve | C | aortic valve | B | pulmonary valve | D | mitral valve |
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5.
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The valve between the left atrium and left ventricle that prevents blood from
flowing back into the left atrium is the ____.
A | tricuspid valve | C | aortic valve | B | pulmonary valve | D | mitral valve |
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6.
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The blood vessels that carry blood away from the heart are the ____.
A | arteries | C | venules | B | veins | D | capillaries |
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7.
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The blood vessels that contain valves to prevent blood from flowing in a
backward direction are the ____.
A | arteries | C | capillaries | B | veins | D | arterioles |
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8.
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The blood vessels that are more muscular and elastic than are the other blood
vessels are the ____.
A | arterioles | C | capillaries | B | venules | D | arteries |
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9.
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How much blood does the average adult have in his or her body?
A | 2 to 4 quarts | C | 6 to 8 pints | B | 4 to 6 quarts | D | 3 to 4 gallons |
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10.
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The largest artery in the body is the ____.
A | carotid | C | aorta | B | femoral | D | coronary |
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11.
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Which of the following blood proteins does not aid in clotting?
A | hemoglobin | C | prothrombin | B | fibrinogen | D | none of the
above |
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12.
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The blood cells that contain hemoglobin are the ____.
A | leukocytes | C | erythrocytes | B | platelets | D | thrombocytes |
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13.
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The number of erythrocytes in one cubic millimeter of blood is ____.
A | 250,000 to 400,000 | C | 4.5 to 5.5 million | B | 5,000 to 9,000 | D | 25 trillion |
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14.
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The bright red color of blood indicates ____.
A | anemia | C | hemoglobin-carrying oxygen | B | venous
blood | D | fibrinogen-carrying
oxygen |
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15.
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The blood cells that fight infection are the ____.
A | erythrocytes | C | thrombocytes | B | leukocytes | D | platelets |
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16.
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A normal thrombocyte count per cubic millimeter of blood is ____.
A | 100,000 to 200,000 | C | 300,000 to 500,000 | B | 250,000 to 400,000 | D | 450,000 to
550,000 |
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17.
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Which of the following is not true of thrombocytes?
A | Thrombocytes lack a nucleus. | B | Thrombocytes vary in shape and
size. | C | Thrombocytes are required for the clotting process. | D | Thrombocytes fight
infection. |
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18.
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An inherited disease that occurs almost exclusively in males and in which the
blood is unable to clot is ____.
A | anemia | C | hemophilia | B | leukemia | D | aneurysm |
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19.
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An inflammation of a vein with the formation of a clot is ____.
A | phlebitis | C | embolus | B | thrombophlebitis | D | varicose veins |
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20.
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The leukocytes that provide immunity for the body by developing antibodies and
protect against the formation of cancer cells are ____.
A | neutrophils | C | basophils | B | lymphocytes | D | eosinophils |
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21.
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Dilated, swollen veins that have lost elasticity and cause stasis, or decreased
blood flow, are called ____.
A | phlebitis | C | varicose | B | aneurysm | D | emboli |
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22.
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Which of the following is not a risk factor that increases the incidence
of hypertension?
A | race | C | excessive exercise | B | smoking | D | obesity |
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23.
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Which acid is required for the development of mature erythrocytes?
A | folic acid | C | muriatic acid | B | hydrochloric acid | D | sulfuric acid |
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24.
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A normal leukocyte count per cubic millimeter of blood is ____.
A | 5,000 to 9,000 | C | 250,000 to 400,000 | B | 10,000 to 20,000 | D | 4,500,000 to
5,500,000 |
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Short Answer
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1.
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Trace a drop of blood through the heart, to the lungs, and back to the heart.
Name the blood vessels carrying the blood, the valves, and all chambers of the heart.
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2.
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Trace the pathway of the electrical impulse in the heart, listing all parts of
the pathway in the correct order.
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3.
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Name five things that blood transports through the body.
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4.
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What is the disease that occurs when fatty plaques are deposited on the walls of
arteries?
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5.
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List three treatments that can be used to control hypertension.
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Matching
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Label the following diagram of the heart.
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1.
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Pericardium
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2.
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Myocardium
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3.
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Endocardium
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4.
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Septum
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5.
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Superior Vena Cava
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6.
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Inferior Vena Cava
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7.
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Right atrium
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8.
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Tricuspid Valve
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9.
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Right Ventricle
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10.
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Pulmonary Valve
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11.
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Pulmonary Arteries
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12.
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Pulmonary Veins
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13.
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Left Atrium
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14.
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Mitral or Bicuspid valve
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15.
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Left Ventricle
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16.
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Aortic Valve
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17.
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Aorta
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