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1.
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Which nutrient is required for nearly every chemical reaction in every cell in
your body?
a. | vitamin B6 | b. | calcium | c. | water | d. | protein |
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2.
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Which of the following foods is a good source of lean protein?
a. | fish | b. | grains | c. | potatoes | d. | oranges |
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3.
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Which of the following vitamins is vital for maintaining healthy cartilage and
bone?
a. | vitamin K | b. | vitamin C | c. | folic
acid | d. | B vitamins |
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4.
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Which nutrient is your body's main source of energy?
a. | animal proteins | b. | carbohydrates | c. | saturated
fats | d. | B vitamins |
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5.
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Figure 32.1 shows the label from a carton of yogurt. How many Calories per
serving are from fat?
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6.
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Which of the following types of food should be eaten in limited
quantities?
a. | fruits | b. | fish | c. | fats | d. | grains |
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7.
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Suppose you were eating an apple. Digestion of the apple would begin in
your
a. | mouth. | b. | stomach. | c. | duodenum. | d. | jejunum. |
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8.
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Smooth muscle contractions that push food through the digestive system are
called
a. | peristalsis. | b. | dialysis. | c. | diffusion. | d. | excretion. |
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9.
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What is the function of the structures in Figure 32.2?
a. | excretion | b. | absorption | c. | filtration | d. | digestion |
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10.
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The large intestine is one site for the absorption of
a. | fiber. | b. | sugars. | c. | water. | d. | fats. |
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11.
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Which phrase best describes absorption?
a. | takes up nutrients | b. | breaks down fats | c. | starts in the
mouth | d. | acts mechanically |
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12.
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Which of the following functions is performed by the liver?
a. | balances fluids | b. | produces bile | c. | absorbs
sugars | d. | distributes fats |
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13.
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What is the term for the millions of blood-filtering units inside the
kidney?
a. | nephrons | b. | ureters | c. | cortexes | d. | medullas |
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14.
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The main role of the skin in the excretory system is to release
a. | amino acids and glucose. | b. | urea, plasma, and water. | c. | excess water and
salt. | d. | surplus and . |
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15.
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Which of the following functions is performed by the kidneys?
a. | eliminate solid waste | b. | absorb most nutrients | c. | maintain proper
pH | d. | digest food and water |
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