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 these is NOT a function of the cardiovascular system?
a. | transporting white cells that attack disease-causing
microorganisms | b. | carrying oxygen, glucose, and other needed materials to cells | c. | carrying waste
products away from cells | d. | supporting and giving shape to the
body |
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2.
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Needed substances are carried to the body cells by
a. | enzymes. | b. | blood. | c. | water. | d. | food. |
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3.
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Which of these heart structures prevents blood from flowing
backward?
a. | aorta | b. | valve | c. | septum | d. | coronary artery |
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4.
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When the heart ventricles contract, blood is pumped
a. | out of the heart. | b. | into the heart. | c. | through the
septum. |
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5.
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How may loops are there in the circulatory system?
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6.
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In which vessels are oxygen and CO2 exchanged between the
blood and the body cells?
a. | veins | b. | arteries | c. | capillaries | d. | lymphatic
vessels |
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7.
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What causes blood pressure?
a. | the force of contracting heart ventricles send blood through the
vessels. | b. | fear and anxiety | c. | the amount of oxygen in the
blood | d. | the amount of glucose in the blood |
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8.
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The function of the heart is to
a. | fight disease | c. | contain feelings of sadness and joy | b. | pump the blood
through the body |
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9.
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The main components of the circulatory system are
a. | the heart, vessels, and blood | c. | the bones, muscles and
tendons | b. | the nose trachea and lungs |
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10.
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How would the blood vessels react to a large meal?
a. | Vessels going to the stomach open wider to allow more blood flow. | c. | both answers A and
B are correct. | b. | Vessels leading to the brain and other parts of the body besides the stomach would
reduce blood flow and the person might feel tired. |
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11.
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Capillaries are
a. | tiny blood vessels that surround cells. | c. | tubes that carry large amounts of
blood bach to the heart. | b. | tubes that carry a large amount of blood at a
high pressure around the body. |
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12.
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Veins carry blood
a. | away from the heart | c. | to each cell in the body | b. | into the
heart |
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13.
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Arteries carry blood
a. | away from the heart. | c. | away from each cell in the body. | b. | into the
heart. |
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14.
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A tool to measure blood pressure is a
a. | thermometer | c. | sphygmomanometer | b. | balance scale |
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Matching
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a. | right ventricle | e. | right
atrium | b. | aorta | f. | left
atrium | c. | septum | g. | valve | d. | left ventricle |
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15.
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structure labeled 1 (the largest artery in the body)
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16.
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structure labeled 2 (one of the 4 chambers in the heart)
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17.
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structure labeled 3 (prevents blood from flowing backwards)
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18.
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structure labeled 4 (one of the 4 chambers in the heart)
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19.
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structure labeled 5 (separates the left and right sides of the
heart)
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20.
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structure labeled 6 (one of the 4 chambers in the heart)
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21.
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structure labeled 7 (one of the 4 chambers in the heart)
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