10 Questions
Which statement about hypertrophy is accurate?
Hypertrophy involves gene activation, protein synthesis, and production of organelles.
What is a characteristic of pathologic hyperplasia?
It can progress to dysplasia and eventually cancer.
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.
Which statement about growth adaptations is true?
An increase, decrease, or change in stress on an organ can result in growth adaptations.
In what way do hyperplasia and hypertrophy generally occur together?
For example, the uterus undergoes both hyperplasia and hypertrophy during pregnancy.
What is the process by which the esophagus changes from nonkeratinizing squamous epithelium to nonciliated, mucin-producing columnar cells?
Metaplasia
Under persistent stress, what can metaplasia progress to?
Neoplasia
What is necessary for the differentiation of specialized epithelial surfaces such as the conjunctiva covering the eye?
Vitamin A
Which condition may progress to adenocarcinoma of the esophagus?
Barrett esophagus
In theory, what can reverse metaplasia?
Removal of the driving stressor
Test your knowledge of basic principles of organ adaptation with this quiz. Explore the concepts of homeostasis, physiological stress, growth adaptations, hyperplasia, and hypertrophy. Assess your understanding of how organs respond to changes in stress and the mechanisms involved in increasing organ size.
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