Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1.
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Which of the following is a risk factor that you can control?
a. | heredity | c. | advancing age | b. | stress | d. | gender |
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2.
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What are the three particles found in the blood?
a. | hemoglobin, platelets, red blood cells | c. | red blood cells, white blood cells,
Platelets | b. | red blood cells, white blood cells, and fibrin | d. | red blood cells, Plasma, and
platelets |
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3.
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Where do the veins take the blood?
a. | to the heart | c. | away from the heart | b. | to the lungs | d. | none of these |
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4.
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From the right atrium, blood is pumped to the _____.
a. | brain | c. | right ventricle | b. | lungs | d. | capillary
network |
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5.
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What is the leading cause of death in the United Sates?
a. | breast cancer | c. | lung cancer | b. | stroke | d. | heart disease |
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6.
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Which of the following is not found in the blood stream?
a. | oxygen | c. | hormones | b. | pepsin | d. | hemoglobin |
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7.
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The left ventricle pumps blood into _____.
a. | the lungs | c. | all parts of the body | b. | the
aorta | d. | the
brain |
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8.
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 What is structure A? a. | mitral valve | c. | aorta | b. | left ventricle | d. | right ventricle |
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9.
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Which letter is the chamber that works the hardest?
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10.
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The function of letter F is to _______.
a. | pump blood to the lungs | c. | prevent blood from moving in the
wrong direction | b. | pump blood to all of the bodies tissues | d. | to allow the blood to pick up
oxygen |
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11.
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Which of these is NOT a function of the cardiovascular system?
a. | attacking disease-causing microorganisms | b. | carrying oxygen,
glucose, and other needed materials to cells | c. | carrying waste products away from
cells | d. | controlling many body processes by means of chemicals |
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12.
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The function of the atria is to
a. | pump blood to the lungs. | b. | pump blood to the body. | c. | receive blood that
comes into the heart. | d. | deliver oxygen to body
tissues. |
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13.
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Blood vessels that carry blood away from the heart are called
a. | veins. | b. | arteries. | c. | capillaries. | d. | lymphatic
vessels. |
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14.
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In which vessels are materials exchanged between the blood and the body
cells?
a. | veins | b. | arteries | c. | capillaries | d. | lymphatic
vessels |
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15.
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What causes blood pressure?
a. | the force with which the ventricles contract | b. | the rate at which
blood flows through the heart | c. | the speed at which oxygen is returned to blood
in the lungs | d. | the strength of the muscles in the walls of the
capillaries |
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16.
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Which component of blood carries oxygen to the body cells?
a. | plasma | b. | platelets | c. | red blood
cells | d. | white blood cells |
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17.
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What eventually happens to fluid that leaks from capillaries into the
surrounding tissues?
a. | It becomes fatty tissue. | b. | It replaces dead body
cells. | c. | It enters the lymphatic system. | d. | It replaces dead red blood
cells. |
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18.
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Atherosclerosis is a condition in which
a. | blood pressure is consistently higher than normal. | b. | muscles in artery
walls lose their ability to contract. | c. | capillaries widen and release too much
fluid. | d. | artery walls thicken as the result of a buildup of fatty
materials. |
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19.
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Exercise is important for cardiovascular health because it
a. | increases blood pressure. | b. | strengthens heart muscle. | c. | makes the coronary
arteries wider. | d. | reduces sodium in the blood. |
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20.
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Which of these structures prevents blood from flowing backward?
a. | aorta | b. | valve | c. | septum | d. | coronary artery |
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21.
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Which chamber of the heart pumps oxygen-poor blood to the lungs?
a. | left atrium | b. | right atrium | c. | left
ventricle | d. | right ventricle |
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22.
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If your pulse rate increases, your heart is beating
a. | slower than before. | b. | faster than before. | c. | more forcefully than
before. | d. | with less pressure than before. |
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23.
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Hypertension is a condition in which
a. | blood pressure is consistently lower than normal. | b. | blood pressure is
consistently higher than normal. | c. | fatty deposits build up on artery
walls. | d. | some of the heart muscle dies. |
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24.
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Which component of blood is 90 percent water?
a. | plasma | b. | platelets | c. | red blood
cells | d. | white blood cells |
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25.
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The function of white blood cells is to
a. | carry carbon dioxide. | b. | increase blood pressure. | c. | carry wastes away
from body cells. | d. | fight disease. |
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