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Questions and Answers
Which of the following is a cause of irreversible cell injury?
Which of the following is a cause of irreversible cell injury?
- Atrophy
- Hypoxia (correct)
- Hyperplasia
- Metaplasia
What is the mechanism of reversible cell injury?
What is the mechanism of reversible cell injury?
- Decrease in cell number and/or size
- Disturbance in the function of cell membrane (correct)
- Increase in cell size
- Change of one type of cell to another type
Which of the following is an example of a physical agent causing cellular injury?
Which of the following is an example of a physical agent causing cellular injury?
- Autoimmune disease
- Insecticides
- Viruses
- Mechanical trauma (correct)
What type of adaptation involves an increase in cell number?
What type of adaptation involves an increase in cell number?
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Which of the following is an example of a chemical agent causing cellular injury?
Which of the following is an example of a chemical agent causing cellular injury?
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Study Notes
Cellular Injury and Adaptation
- Irreversible cell injury can be caused by ischemia, which is a reduction in blood flow leading to reduced oxygen delivery to cells.
- Reversible cell injury occurs when cells are exposed to hypoxia, infectious agents, or toxins, leading to impaired cellular function but not cell death.
- Extreme temperatures are an example of a physical agent that can cause cellular injury.
- Hyperplasia is a type of adaptation that involves an increase in cell number, often in response to chronic injury or inflammation.
- Pesticides are an example of a chemical agent that can cause cellular injury by disrupting cellular function or inducing cell death.
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