Cells and Inflammation: Practice Question
Question
A 62 year old male with intermittent hematuria is found to have several stones in his urinary bladder. Biopsy of the bladder mucosa shows squamous epithelium. These findings are described as:
Answer Choices
- Metaplasia
- Hyperplasia
- Choristoma
- Dysplasia
- Hamartoma
Show Answer and Explanations
Metaplasia — Correct answer
Correct. Metaplasia replaces one differentiated cell type with another differentiated cell type; it is reversible.
Hyperplasia
Incorrect. Hyperplasia is an increase in cell production in a normal tissue.
Choristoma
Incorrect. A choristoma is a mass of normal tissue in an abnormal location.
Dysplasia
Incorrect. Dysplasia is abnormal growth and differentiation of tissue.
Hamartoma
Incorrect. A hamartoma is a disorganized mass of tissue normally found at the given location.
Summary
Summary: Metaplasia replaces one differentiated cell type with another differentiated cell type; it is reversible. A hamartoma is a disorganized mass of tissue normally found at a given location. A choristoma is a mass of normal tissue in an abnormal location.Free account required. No subscription needed.