1. What is the primary role of adaptive cellular mechanisms?
- a. Treat disease.
- b. Protect cells from injury. ✅
- c. Prevent cellular aging.
- d. Accelerate cellular death.
2. What does cellular atrophy entail?
- a. An increase in cell size.
- b. A decrease in cell size. ✅
- c. An increase in the number of cells.
- d. A decrease in the number of cells.
3. If a person suffers damage to the spinal cord, which organ may experience atrophy?
- a. Liver
- b. Brain
- c. Skeletal muscles ✅
- d. Skin
4. How is the process of cellular atrophy achieved?
- a. Loss of fluid
- b. Decreased cell division
- c. Inhibition of enzyme formation
- d. Formation of autophagic vacuoles ✅
5. What can pathologic hyperplasia potentially lead to?
- a. Neoplasia (cancer). ✅
, - b. Dysplasia.
- c. Metaplasia.
- d. All of the above.
6. In response to increased workload, such as from high blood pressure (hypertension), how will
myocardial cells in the left ventricle adapt?
- a. Atrophy.
- b. Hypertrophy. ✅
- c. Hyperplasia.
- d. Dysplasia.
7. What does muscle hypertrophy primarily involve an increase in?
- a. Cell division.
- b. Water accumulation.
- c. Protein synthesis. ✅
- d. Plasma membrane thickness.
8. What condition results from chronic cervical infection by the human papilloma virus?
- a. Atrophy.
- b. Dysplasia. ✅
- c. Metaplasia.
- d. Hormonal hyperplasia.
Metaplasia involves the replacement of normal cells by:
a. another type of cell.
b. abnormal cells of the same tissue type.
c. scar tissue.