Anatomy Physiology 7th Edition By Patton Thibodeau – Test Bank

Anatomy Physiology 7th Edition By Patton
Thibodeau – Test Bank




Chapter 3: Anatomy of Cells

Test Bank

TRUE/FALSE

1. Mature cells that comprise the human body are highly specialized and complex.

ANS: T DIF: Synthesis REF: Page 67
TOP: Functional Anatomy of Cells

2. An important function of the cell membrane is the maintenance of cell integrity.

ANS: T DIF: Synthesis REF: Page 69 (Table 3-3)
TOP: Cell Membrane

3. Peroxisomes contain enzymes that detoxify harmful substances.

ANS: T DIF: Memorization REF: Page 76
TOP: Peroxisomes

4. The outer portion of the cell membrane is hydrophobic, or water-loving.

ANS: F DIF: Memorization REF: Page 70
TOP: Cell Membrane

5. Ribosomes attached to the endoplasmic reticulum are responsible for making proteins to be
exported out of the cell.

ANS: T DIF: Memorization REF: Page 73
TOP: Rough ER

6. The functions of the nucleus are regulated by RNA.

ANS: F DIF: Memorization REF: Page 78
TOP: Nucleus

7. The major direct cell connections are tight junctions, gap junctions, and desmosomes.

ANS: T DIF: Memorization REF: Page 83
TOP: Cell Connections

,8. Tight junctions do not allow molecules to spread through the cracks between cells.

ANS: T DIF: Memorization REF: Page 83 | Page 84
TOP: Cell Connections

9. Gap junctions are found in the small intestine. They allow molecules to flow between cells.

ANS: F DIF: Memorization REF: Page 83
TOP: Cell Connections

10. The number of mitochondria in a cell is basically related to its degree of activity.

ANS: T DIF: Memorization REF: Page 77
TOP: Mitochondria

11. The cell’s internal supporting framework is called the cytoskeleton.

ANS: T DIF: Memorization REF: Page 79
TOP: Cytoskeleton

12. The size of a cell’s nucleolus is indirectly related to the amount of protein the cell produces.

ANS: T DIF: Memorization REF: Page 78
TOP: Nucleus

13. Heart muscle cells are joined by gap junctions to facilitate the movement of electrical impulses.

ANS: T DIF: Memorization REF: Page 83
TOP: Cell Connections

14. Cell connections called desmosomes are like Velcro holding cells together.

ANS: T DIF: Memorization REF: Page 83
TOP: Cell Connections

15. Cilia are longer and more numerous than flagella.

ANS: F DIF: Memorization REF: Page 82
TOP: Cell Extensions

16. Nucleic acid is DNA.

ANS: F DIF: Memorization REF: Page 78
TOP: Nucleus

17. The thinnest cell fibers are tiny, hollow tubes called microtubules.

ANS: F DIF: Memorization REF: Page 79 | Page 80
TOP: Cell Fibers

18. The plasma membrane can be described as a double layer of phospholipid molecules.

,ANS: T DIF: Synthesis REF: Page 70 TOP: Cell Membrane

19. Generally, the more active a cell is, the fewer mitochondria it will contain.

ANS: F DIF: Application REF: Page 77 TOP: Mitochondria

20. Light microscopy is inferior to electron microscopy.

ANS: T DIF: Synthesis REF: Page 80 (Figure 3-15)
TOP: Cell Fibers

21. The “typical” cell described in Chapter 3 is very similar to most of the cells in the human body.

ANS: F DIF: Memorization REF: Page 68
TOP: The Typical Cell

22. The watery fluid in the cell is called cytosol.

ANS: T DIF: Memorization
REF: Page 69 (Table 3-3) TOP: Cell Structures

23. Water-soluble substances easily pass through the cell membrane.

ANS: F DIF: Memorization REF: Page 71
TOP: Cell Membrane

24. Glycoproteins on the cell membrane would prevent someone with type A blood from accepting
type B blood.

ANS: T DIF: Application REF: Page 72 TOP: Cell Membrane

25. Rough endoplasmic reticulum looks rough because there are mitochondria attached to it.

ANS: F DIF: Memorization REF: Page 73
TOP: Endoplasmic Reticulum

26. Proteins in the cell membrane can control the movement of material through the cell
membrane.

ANS: T DIF: Memorization REF: Page 72
TOP: Cell Membrane

27. Smooth endoplasmic reticulum is the organelle that supplies membrane material for use
throughout the cell.

ANS: T DIF: Memorization REF: Page 74
TOP: Endoplasmic Reticulum

28. Ribosomes are only found attached to endoplasmic reticulum.

ANS: F DIF: Memorization REF: Page 74
TOP: Ribosomes

, 29. The main function of the ribosome is to provide energy to the cell.

ANS: F DIF: Memorization REF: Page 74
TOP: Ribosomes

30. The Golgi apparatus helps to prepare material for export from the cell.

ANS: T DIF: Memorization REF: Page 74
TOP: Golgi Apparatus

31. The protein-processing units of the Golgi apparatus are called cisterna.

ANS: T DIF: Memorization REF: Page 74
TOP: Golgi Apparatus

32. In certain situations, cells “commit suicide.” This function would be carried out by the
lysosomes.

ANS: T DIF: Application REF: Page 76 TOP: Lysosomes

33. The catalase in the peroxisomes reacts to detoxify carbon dioxide.

ANS: F DIF: Memorization REF: Page 77
TOP: Peroxisomes

34. The inner folds of the mitochondria are called cisterna.

ANS: F DIF: Memorization REF: Page 77
TOP: Mitochondria

35. It is likely that a muscle cell would have more mitochondria than a fat cell.

ANS: T DIF: Application REF: Page 77 TOP: Mitochondria

36. One of the main functions of the mitochondria is to supply the cell with ATP.

ANS: T DIF: Memorization REF: Page 77
TOP: Mitochondria

37. The name nucleus comes from the Greek word for color.

ANS: F DIF: Memorization REF: Page 78
TOP: Nucleus

38. Chromosomes and chromatin are both forms of DNA.

ANS: T DIF: Application REF: Page 78 TOP: Nucleus

39. Muscles contain a high concentration of microtubules.

ANS: F DIF: Application REF: Page 80 TOP: Cell Fibers

40. The body of a female does not produce cells with flagella.