A: All the nutrients in the world are useless to humans.
B: The chemical reactions that release energy from foods use oxygen.
C: Oxygen is an important component of the air we breathe.
D: The respiratory and cardiovascular systems supply oxygen to the blood and body cells.
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- Page 93-95 Part 6 Paragraph C6. What main idea is the writer implying? A: All chemical reactions require oxygen. B: Oxygen is vital to human life. C: Less than a fourth of the air we breathe is oxygen. D: The respiratory system and the cardiovascular system work together.
- Page 93-95 Part 6 Paragraph D10. Which one of the following details does not support the paragraph’s implied main idea? A: The same coffee is judged differently depending on the color of the coffee can. B: The colors a person is wearing may influence your opinion of that person. C: Defense lawyers who do not wear blue in court deserve to be defeated. D: Green is an appropriate color for almost all occasions.
- Which of the following is NOT function of white blood cells ____. A: Guard against infection B: Fight parasites C: Attack bacteria D: Carry oxygen
- 戴上氧气面罩呼吸。 A: Breathe into the oxygen mask. B: Exhale into the oxygen mask. C: Inhale into the oxygen mask.
- The iron-containing pigment in red blood cells that carries oxygen is called
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2. When isotonic hypoxemia occurs A: Reduced blood oxygen content B: Decreased partial pressure of arterial blood oxygen C: Decreased oxygen saturation of hemoglobin D: Normal blood oxygen content E: Tissue cell utilization oxygen disorder
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6. Partial pressure of arterial blood oxygen refers to A: Oxygen partial pressure when oxygen saturation of hemoglobin is 50% B: Tension caused by oxygen molecules dissolved in arterial blood C: Hemoglobin and oxygen binding capacity D: The actual number of milliliters containing 02 in 100ml of blood E: Tension created by chemically bound oxygen in the blood
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Partial pressure of arterial blood oxygen refers to ( ) A: Tension caused by oxygen molecules dissolved in arterial blood B: Oxygen partial pressure when oxygen saturation of hemoglobin is 50% C: Hemoglobin and oxygen binding capacity D: The actual number of milliliters containing 02 in 100ml of blood E: Tension created by chemically bound oxygen in the blood
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3. Which of the following hypoxia generally has no cyanosis? A: Respiratory insufficiency B: Suffocation C: Tissue oxygen disorder D: Venous blood doping E: Cardiac insufficiency
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Blood is the ______ in which oxygen is carried to all parts of the body. A: medium B: method C: meditation D: mechanic