Front | Back |
9. Which of the following is the least common type of cellular adaptation?
a. hypertrophy
b. hyperplasia
c. atrophy
d. dysplasia
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d. dysplasia
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10. A patient with a history of smoking has a bronchial biopsy showing that the normal columnar ciliated epithelial cells have been replaced by stratified squamous epithelial cells. Which of the following is most likely to be true?
a. this process could be reversed if he quits smoking
b. cancer will certainly develop
c. cellular hyperplasia has most likely occurred
d. the likelihood of cancer decreases if the patient also consumes alcohol
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a. this process could be reversed if he quits smoking
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11. Which of the following is least likely to cause cellular injury?
a. noise
b. ionizing radiation
c. exercise
d. poor diet
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c. exercise
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19. Which of the following organs is most likely affected by the type of necrosis that results from hypoxia caused by severe ischemia?
a. lungs
b. heart
c. brain
d. pancreas
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b. heart
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22. Phagocytosis is an example of which of the following?
a. endocytosis
b. exocytosis
c. homeostasis
d. pinocytosis
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a. endocytosis
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27. Which of the following types of necrosis is often associated with pulmonary tuberculosis?
a. virulogic necrosis
b. liquefactive necrosis
c. gangrenous necrosis
d. caseous necrosis
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d. caseous necrosis
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30. A patient who has a diarrhea receives a 3% saline (hypertonic) solution intravenously to replace the sodium and chloride lost in the stool. Which of the following effect will this fluid replacement have on cells?
a. cells will swell and burst
b. cells will become hydrated
c. cells will divide
d. cells will shrink
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d. cells will shrink
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34. After ovulation, the uterine endometrial cells divide under the influence of estrogen; this is an example of which of the following?
a. hormonal hyperplasia
b. hormonal dysplasia
c. hormonal hypertrophy
d. hormonal anaplasia
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a. hormonal hyperplasia
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35. Which of the following cells, if any, lose their ability to replicate and divide?
a. cells of the skin
b. cells of skeletal muscle
c. cells of the gastrointestinal tract
d. none; cells do not lose their ability to replicate and divide
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b. cells of skeletal muscle
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36. Which of the following neuromuscular junction disorders is associated with an abnormality in acetylcholine transmission and commonly presents with fatigue ability?
a. myasthenia gravis
b. alzheimer’s disease
c. cystic fibrosis
d. retinoblastoma
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a. myasthenia gravis
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38. Which of the following refers to the abnormal proliferation of cells in response to excessive hormonal stimulation?
a. physiologic dysplasia
b. pathologic metaplasia
c. physiologic hyperplasia
d. pathologic hyperplasia
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d. pathologic hyperplasia
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40. Which of the following occurs during exocytosis?
a. no repairs in the plasma membrane can take place
b. all substances are only secreted into the cytoplasm
c. soluble molecules can flow freely into and out of the cell
d. macromolecules can be secreted across the cell membranes
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d. macromolecules can be secreted across the cell membranes
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Hypoxia
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Oxygen Deprived
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Chemotaxis
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Bodily cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment.
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Apoptosis
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Programmed cell death
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