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Questions and Answers
Which statement about hypertrophy is accurate?
Which statement about hypertrophy is accurate?
- Hypertrophy always involves an increase in the number of cells.
- Hypertrophy is exclusively caused by a decrease in organ stress.
- Hypertrophy is always reversible.
- Hypertrophy involves gene activation, protein synthesis, and production of organelles. (correct)
- Hypertrophy only occurs in permanent tissues like cardiac muscle and nerve.
What is a characteristic of pathologic hyperplasia?
What is a characteristic of pathologic hyperplasia?
- It is exclusive to permanent tissues like cardiac muscle.
- It is a normal and healthy response to increased stress on an organ.
- It can progress to dysplasia and eventually cancer. (correct)
- It is always reversible with appropriate treatment.
- It involves a decrease in the number of cells in an organ.
What is the primary difference between hyperplasia and hypertrophy?
What is the primary difference between hyperplasia and hypertrophy?
- Hyperplasia involves an increase in the number of cells, while hypertrophy involves an increase in cell size. (correct)
- Hyperplasia involves a decrease in organ size, while hypertrophy involves an increase.
- Hyperplasia is always reversible, while hypertrophy is irreversible.
- Hyperplasia is exclusively caused by a decrease in organ stress, while hypertrophy is caused by an increase in stress.
- Hyperplasia only occurs in permanent tissues, while hypertrophy occurs in all organs.
Which statement about growth adaptations is true?
Which statement about growth adaptations is true?
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In what way do hyperplasia and hypertrophy generally occur together?
In what way do hyperplasia and hypertrophy generally occur together?
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What is the process by which the esophagus changes from nonkeratinizing squamous epithelium to nonciliated, mucin-producing columnar cells?
What is the process by which the esophagus changes from nonkeratinizing squamous epithelium to nonciliated, mucin-producing columnar cells?
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Under persistent stress, what can metaplasia progress to?
Under persistent stress, what can metaplasia progress to?
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What is necessary for the differentiation of specialized epithelial surfaces such as the conjunctiva covering the eye?
What is necessary for the differentiation of specialized epithelial surfaces such as the conjunctiva covering the eye?
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Which condition may progress to adenocarcinoma of the esophagus?
Which condition may progress to adenocarcinoma of the esophagus?
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In theory, what can reverse metaplasia?
In theory, what can reverse metaplasia?
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