True/False
Indicate whether the statement is true or
false.
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1.
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The main fuel source for body cells is glucose.
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2.
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Enzymes and antibodies are carbohydrates.
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3.
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Fat has 9 Calories per gram.
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4.
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Denaturing of a protein means it has lost its functional three dimensional
shape.
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Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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5.
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Which of the following shows the levels of organization of the body
correctly?
a. | tissues, cells, organs, organ systems, organism | c. | organ systems, tissues, cells,
organs, organism | b. | organism, organs, tissues, organ systems, cells | d. | cells, tissues, organs, organ systems,
organism |
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6.
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Particles that dissolve easily in water may be:
a. | hydrophilic | c. | charged | b. | polar | d. | all of the
above |
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7.
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Which of the following is NOT a characteristic of water?
a. | makes an excellent solvent for polar or charged particles | d. | sticks to other
polar molecules | b. | is a polar molecule | e. | allows fat to dissolve easily in it | c. | is cohesive |
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8.
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The most basic unit of life is the:
a. | atom | c. | element | b. | molecule | d. | cell |
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9.
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The building blocks of proteins are:
a. | carbohydrates | c. | amino acids | b. | nitrogen | d. | nucleotides |
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10.
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The waste product of aerobic production of ATP that must be excreted is:
a. | water | c. | oxygen | b. | carbon dioxide | d. | ATP |
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11.
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Enzymes are:
a. | carbohydrate molecules that speed up chemical reactions | c. | are protein
molecules that speed up chemical reactions with out being used up in the process | b. | are protein
molecules that contain a large amount of energy | d. | enter chemical reactions, speed up reactions,
and are consumed in the process |
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12.
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Which of the following is NOT a main tissue type in the body?
a. | epithelial | c. | retinal | b. | connective | d. | nervous |
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13.
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Glucose is stored in the body as:
a. | starch | c. | fat | b. | glycogen | d. | pyruvate |
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14.
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Which of the following is NOT a function of electrolytes?
a. | involved in nerve impulses | c. | aid in muscle
contraction | b. | transport nonpolar molecules in the blood | d. | involved in acid/base
regulation |
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15.
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A change in a variable in the body is detected by:
a. | an effector | c. | an integrating center | b. | a
sensor | d. | a
messenger |
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16.
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The part of the homeostatic mechanism responsible for interpreting sensory
information and synthesizing output is:
a. | sensor | c. | control center | b. | effector | d. | afferent
pathway |
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