Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1.
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Which substances are produced during respiration?
a. | water and oxygen | c. | carbon dioxide and water | b. | oxygen and red blood
cells | d. | carbon dioxide and
red blood cells |
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2.
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The chemical process in which oxygen and glucose react
to release energy inside body cells is?
a. | inhaling | c. | breathing | b. | exhaling | d. | respiration |
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3.
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Which parts of the respiratory system divide into smaller and smaller tubes in a
pattern that resembles the branches of a tree?
a. | pharynx | c. | bronchi | b. | trachea | d. | epiglottis |
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4.
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Hairlike structures that line the nasal cavities and sweep mucus down the
esophagus are
a. | cilia. | c. | bronchi. | b. | mucus. | d. | capillaries. |
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5.
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Where in the respiratory system does CO2/Oxygen gas
exchange occur?
a. | in the heart | c. | in the pharynx | b. | in the alveoli | d. | in the trachea |
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6.
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During gas exchange, which gas moves from the alveoli into the
blood?
a. | carbon dioxide | c. | water | b. | oxygen | d. | nitrogen |
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7.
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What causes air to be exhaled from the lungs?
a. | The rib muscles contract | c. | The diaphragm moves
upward. | b. | The chest cavity expands | d. | The diaphragm moves downward. |
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8.
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What produces a person’s voice?
a. | the lungs | c. | the vocal cords | b. | the diaphragm | d. | the alveoli |
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9.
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Cellular respiration occurs in all animal cells. It is essential
to life because it
a. | provides oxygen | c. | stores energy | b. | removes waste | d. | releases energy |
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10.
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The table shows approximate amounts of gases inhaled by humans. What
conclusion can you draw from the data? | Gases in Inhaled and Exhaled Air | | | | Gas | Inhaled Air | Exhaled Air | | Nitrogen | 78% | 78% | | Oxygen | 21% | 16% | | Carbon dioxide | 0.03% | 4% | | | |
a. | Inhaled air contains less oxygen and more carbon dioxide than exhaled
air. | c. | Inhaled air contains more oxygen and more carbon dioxide than exhaled
air. | b. | Inhaled air contains more oxygen and less carbon dioxide than exhaled
air. | d. | Inhaled air contains
the same amount of oxygen and carbon dioxide as exhaled air. |
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11.
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How are the pharynx, trachea, bronchi, and lungs related?
a. | They are not related | c. | They work together to break food down. | b. | They work together
to transport oxygen and nutrients to all cells of the body. | d. | They work together to bring oxygen into and
remove carbon dioxide from the body. |
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12.
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What happens to heart cells if their oxygen is cut off by a
blood clot?
a. | They become stronger. | c. | They die | b. | They become anaerobic | d. | They regenerate |
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13.
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Interpret the data in the table .Which question was being
investigated?| Inhaled gases vs. exhaled gases | | | | Gas | Inhaled
Air | Exhaled Air | | Nitrogen | 78% | 78% | | Oxygen | 21% | 16% | | Carbon dioxide | 0.03% | 4% | | | |
a. | What is oxygen? | c. | How do the gases in inhaled and exhaled air
differ? | b. | Is there nitrogen in inhaled air? | d. | Do humans inhale more air than they
exhale? |
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14.
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Which conclusion is best supported by the data in the
table? | Inhaled and
Exhaled Air | | | | Gas | Inhaled
Air | Exhaled Air | | Nitrogen | 78% | 78% | | Oxygen | 21% | 16% | | Carbon dioxide | 0.03% | 4% | | | |
a. | Animal respiration uses oxygen and produces carbon dioxide. | c. | Animal respiration
uses nitrogen and produces oxygen.. | b. | Animal respiration uses oxygen and produces
nitrogen | d. | Animal respiration
uses carbon dioxide to produce oxygen. |
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15.
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Which structure does gas exchange between the respiratory and
circulatory systems occur?
a. | Alveoli | c. | nose | b. | aorta | d. | trachea |
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16.
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The small flap of tissue that prevents food from going down the
trachea during swallowing is the
a. | pharynx | b. | larynx | c. | epiglottis | d. | alveoli |
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