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Questions and Answers
What is the definition of pathology?
What is the definition of pathology?
- The scientific study of disease (correct)
- The study of molecular structures
- The study of clinical courses
- The study of physiological responses
What is the primary cause of cell injury?
What is the primary cause of cell injury?
- Environmental toxins
- Inability to adapt to stress (correct)
- Inflammatory responses
- Genetic mutations
Which factor affects cell injury?
Which factor affects cell injury?
- Organ size
- Cell color
- Blood type
- Stimulus (correct)
Which is considered a physical (exogenous) agent causing cell injury?
Which is considered a physical (exogenous) agent causing cell injury?
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What causes immunologic diseases?
What causes immunologic diseases?
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Study Notes
Pathology
- Study of the nature, causes, and effects of diseases.
- Examines structural and functional changes in tissues and organs resulting from disease processes.
Primary Cause of Cell Injury
- Hypoxia is the primary cause of cell injury, which results from inadequate oxygen supply to tissues.
Factors Affecting Cell Injury
- Various factors can influence the extent and nature of cell injury, including:
- Duration of injury exposure
- Severity of the insult
- Type of tissue affected
Physical (Exogenous) Agents of Cell Injury
- Physical agents include mechanical trauma, extreme temperatures, and radiation.
- Examples:
- Physical trauma can directly disrupt cell structure.
- Extreme temperatures can denature proteins and damage membranes.
Causes of Immunologic Diseases
- Immunologic diseases are primarily caused by:
- Abnormal immune responses, such as autoimmunity.
- Allergic reactions where the immune system reacts against harmless substances.
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