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Biology - Chapter42
17問 • 1年前
  • ユーザ名非公開
    • 通報

    問題一覧

  • 1

    Organisms with a circulating body fluid that is distinct from the fluid that directly surrounds the body's cells are likely to have

    a closed circulatory system

  • 2

    Which of the following statements comparing respiration in fish and in mammals is correct?

    The movement of the respiratory medium in mammals is bidirectional, but in fish it is unidirectional.

  • 3

    Which of the following develops the greatest pressure on the blood in the mammalian aorta?

    systole of the left ventricle

  • 4

    Some human infants, especially those born prematurely, suffer serious respiratory failure because of ____.

    lung collapse due to inadequate production of surfactant

  • 5

    The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the.

    fishes

  • 6

    A rabbit taken from a meadow near sea level and moved to a meadow high on a mountainside would have some trouble breathing. Why?

    The partial pressure of oxygen in the air at high elevations is lower than at sea level.

  • 7

    Most of the carbon dioxide produced by humans is______.

    converted to bicarbonate ions by an enzyme in red blood cells

  • 8

    How has the avian lung adapted to the metabolic demands of flight?

    Gas exchange occurs during both inhalation and exhalation.

  • 9

    In an open circulatory system, blood is _____.

    not always confined to blood vessels and is under lower pressure than in closed circulatory systems

  • 10

    The velocity of blood flow is the lowest in capillaries because_____.

    the total cross-sectional area of the capillaries is greater than the total cross-sectional area of the arteries or any other part of the circulatory system

  • 11

    In which of the following organisms does blood flow from the pulmocutaneous circulation to the heart before circulating through the rest of the body?

    frogs

  • 12

    During most daily activities, the human respiration rate is most closely linked to the blood levels of____.

    carbon dioxide

  • 13

    The production of red blood cells is stimulated by_________.

    erythropoietin

  • 14

    An anthropologist discovers the fossilized heart of an extinct animal. The evidence indicates that the organism's heart was large, was well-formed, and had four chambers, with no connection between the right and left sides. A reasonable conclusion supported by these observations is that the____.

    animal was endothermic and had a high metabolic rate

  • 15

    Damage to the sinoatrial node in humans_____.

    would disrupt the rate and timing of cardiac muscle contractions

  • 16

    Countercurrent exchange is evident in the flow of____.

    water across the gills of a fish and the blood within those gills

  • 17

    Which of the following is the correct sequence of blood flow in birds and mammals?

    vena cava → right atrium → right ventricle → pulmonary artery

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    問題一覧

  • 1

    Organisms with a circulating body fluid that is distinct from the fluid that directly surrounds the body's cells are likely to have

    a closed circulatory system

  • 2

    Which of the following statements comparing respiration in fish and in mammals is correct?

    The movement of the respiratory medium in mammals is bidirectional, but in fish it is unidirectional.

  • 3

    Which of the following develops the greatest pressure on the blood in the mammalian aorta?

    systole of the left ventricle

  • 4

    Some human infants, especially those born prematurely, suffer serious respiratory failure because of ____.

    lung collapse due to inadequate production of surfactant

  • 5

    The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the.

    fishes

  • 6

    A rabbit taken from a meadow near sea level and moved to a meadow high on a mountainside would have some trouble breathing. Why?

    The partial pressure of oxygen in the air at high elevations is lower than at sea level.

  • 7

    Most of the carbon dioxide produced by humans is______.

    converted to bicarbonate ions by an enzyme in red blood cells

  • 8

    How has the avian lung adapted to the metabolic demands of flight?

    Gas exchange occurs during both inhalation and exhalation.

  • 9

    In an open circulatory system, blood is _____.

    not always confined to blood vessels and is under lower pressure than in closed circulatory systems

  • 10

    The velocity of blood flow is the lowest in capillaries because_____.

    the total cross-sectional area of the capillaries is greater than the total cross-sectional area of the arteries or any other part of the circulatory system

  • 11

    In which of the following organisms does blood flow from the pulmocutaneous circulation to the heart before circulating through the rest of the body?

    frogs

  • 12

    During most daily activities, the human respiration rate is most closely linked to the blood levels of____.

    carbon dioxide

  • 13

    The production of red blood cells is stimulated by_________.

    erythropoietin

  • 14

    An anthropologist discovers the fossilized heart of an extinct animal. The evidence indicates that the organism's heart was large, was well-formed, and had four chambers, with no connection between the right and left sides. A reasonable conclusion supported by these observations is that the____.

    animal was endothermic and had a high metabolic rate

  • 15

    Damage to the sinoatrial node in humans_____.

    would disrupt the rate and timing of cardiac muscle contractions

  • 16

    Countercurrent exchange is evident in the flow of____.

    water across the gills of a fish and the blood within those gills

  • 17

    Which of the following is the correct sequence of blood flow in birds and mammals?

    vena cava → right atrium → right ventricle → pulmonary artery