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Questions and Answers
What is the primary characteristic of metaplasia?
What is the primary characteristic of metaplasia?
Which of the following is a type of metaplasia that occurs in response to smoking?
Which of the following is a type of metaplasia that occurs in response to smoking?
What is one of the primary causes of metaplasia?
What is one of the primary causes of metaplasia?
Which of the following clinical significances are associated with metaplasia?
Which of the following clinical significances are associated with metaplasia?
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How can metaplasia typically be diagnosed?
How can metaplasia typically be diagnosed?
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Study Notes
Metaplasia Definition
- A reversible change in which one adult cell type is replaced by another adult cell type
Examples of Metaplasia
-
Squamous metaplasia in the respiratory tract of smokers
- Normal ciliated columnar epithelium is replaced by stratified squamous epithelium
-
Barrett's esophagus
- The normal squamous epithelium of the lower esophagus is replaced by columnar epithelium
Causes of Metaplasia
- Chronic irritation or injury
- Cigarette smoke
- Gastroesophageal reflux disease (GERD)
- Vitamin A deficiency
Clinical Significance of Metaplasia
- It can be a precursor to cancer
- Can be a sign of other underlying medical conditions
- The new cell type may not function as well as the original cell type.
Diagnosing Metaplasia
- Biopsy
- Microscopic examination
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Description
This quiz focuses on the key characteristics, causes, and clinical significance of metaplasia, an important concept in pathology. Test your knowledge on types of metaplasia related to smoking and its diagnosis. Perfect for students and professionals in the medical field.
