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PattonThibodeau Physiology- Test Bank
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Sample Test ww
Patton and Thibodeau: Anatomy & Physiology, 7th Edition
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ww Chapter 3: Anatomy of Cells
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Test Bank ww
ww TRUE/FALSE
1. Mature cells that comprise the human body are highly specialized
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and complex.
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ANS: T DIF: Synthesis REF: Page 67 ww
ww TOP: Functional Anatomy of Cells ww ww ww
, 2. An important function of the cell membrane is the maintenance of
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cell integrity.
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ANS: T DIF: Synthesis REF: Page 69 (Table 3-3)
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ww TOP: Cell Membrane ww
3. Peroxisomes contain enzymes that detoxify harmful substances.
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ANS: T DIF: Memorization REF:
Page 76
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TOP: Peroxisomes
4. The outer portion of the cell membrane is hydrophobic, or water-loving.
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ANS: F DIF: Memorization REF:
Page 70
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TOP: Cell Membrane
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5. Ribosomes attached to the endoplasmic reticulum are responsible
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for making proteins to be exported out of the cell.
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ANS: T DIF: Memorization REF:
Page 73
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TOP: Rough ER ww
6. The functions of the nucleus are regulated by RNA.
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,ANS: F DIF: Memorization REF:
Page 78
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TOP: Nucleus
7. The major direct cell connections are tight junctions, gap junctions,
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and desmosomes.
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ANS: T DIF: Memorization REF:
Page 83
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TOP: Cell Connectionsww
8. Tight junctions do not allow molecules to spread through the
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cracks between cells.
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ANS: T DIF: Memorization REF:
Page 83 | Page 84
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TOP: Cell Connectionsww
9. Gap junctions are found in the small intestine. They allow molecules
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to flow between cells.
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ANS: F DIF: Memorization REF:
Page 83
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TOP: Cell Connectionsww
10. The number of mitochondria in a cell is basically related to
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ww its degree of activity.
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, ANS: T DIF: Memorization REF:
Page 77
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TOP: Mitochondria
11. The cell’s internal supporting framework is called the cytoskeleton.
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ANS: T DIF: Memorization REF:
Page 79
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TOP: Cytoskeleton
12. The size of a cell’s nucleolus is indirectly related to the amount
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ww of protein the cell produces.
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ANS: T DIF: Memorization REF:
Page 78
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TOP: Nucleus
13. Heart muscle cells are joined by gap junctions to facilitate
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ww the movement of electrical impulses.
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ANS: T DIF: Memorization REF:
Page 83
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TOP: Cell Connections
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14. Cell connections called desmosomes are like Velcro holding
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ww cells together.
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