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Pathophysiology Practice Test: Cellular Biology
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Cell biology is the study of cells, their physiology, structure, and life cycle. All living organisms are composed of cells, from just one (unicellular) to many trillions (multicellular).

Pathophysiology Practice Test: Cellular Biology
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25 Questions

1. Which of the following can bind to plasma membrane receptors?
2. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained?
3. A biopsy of the lung bronchi revealed ciliated epithelial cells that are capable of secretion and absorption. These cells are called _____ columnar epithelium.
4. A nurse teaching the staff about platelet-derived growth factor includes information that platelet-derived growth factor (PDGF) stimulates the production of:
5. Some cancer drugs work during the cell cycle phase where nuclear and cytoplasmic divisions occur. What is this cell cycle phase called?
6. Which description accurately describes electrolytes?
7. Which phase of catabolism produces the most ATP?
8. A nurse recalls that the basic types of tissues are:
9. A nurse is discussing the movement of fluid across the arterial end of capillary membranes into the interstitial fluid surrounding the capillary. Which process of fluid movement is the nurse describing?
10. A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance?
11. What is the role of cytokines in cell reproduction?
12. A faculty member asks a student to identify the appropriate term for the movement of a solute from an area of greater to lesser concentration. Which answer indicates the nursing student understood the teaching?
13. The phase of the cell cycle during which the centromeres split and the sister chromatids are pulled apart is referred to as:
14. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?
15. How are potassium and sodium transported across plasma membranes?
16. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student?
17. A nurse is reviewing a report from a patient with metastatic cancer. What alternation in the extracellular matrix would support the diagnosis of metastatic cancer?
18. A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pressure (colloid osmotic pressure) is determined by:
19. During which process are bacteria engulfed for ingestion?
20. Which causes the rapid change in the resting membrane potential that initiates an action potential?
21. The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport?
22. A cell is isolated, and electrophysiology studies reveal that the resting membrane potential is −70 mV. The predominant intracellular ion is Na+, and the predominant extracellular ion is K+. With voltage change, which of the following would result in an action potential?
23. Characteristics of prokaryotes include which of the following?
24. Which of the following can remove proteins attached to the cell’s bilayer by dissolving the layer itself?
25. Pancreatic beta cells secrete insulin, which inhibits secretion of glucagon from neighboring alpha cells. This action is an example of which of the following signaling types?

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