16 Questions
What is the correct definition of hypoplasia?
An organ which has never attained adult size
Which condition results in the reduction of bone matrix and can occur due to recumbency, hormonal disturbances, and ageing?
Osteoporosis
What term refers to the diminution in size of an organ due to a decrease in the size or number of the constituent cells?
Atrophy
In which condition does gradual vascular obstruction to an organ result in atrophy, for example, cerebral arterial atherosclerosis?
Ischaemia
What is the correct description of metaplasia?
Form of abnormal regeneration producing a differentiated type of cell different from that normally found in a given location
What occurs when one type of epithelium changes to another, known as?
Epithelial metaplasia
What is squamous metaplasia often associated with?
Chronic bronchitis
Where is columnar metaplasia found?
Stomach - in chronic gastritis
What type of tissue arises from metaplasia of fibroblasts?
Osteoid tissue
Which disorder is a result of perverted nutrition and a deficiency of vitamin B12?
Pernicious anaemia
What is dysplasia used to mean in the cervix?
Pre-malignant abnormal proliferation of cells
Which category of tissue change is dysplasia generally not classified as?
Neoplasia
In which condition does squamous metaplasia often appear to be the result of persistent trauma?
Chronic bronchitis
Where is dysplasia used to mean an abnormal proliferation of cells?
Cervix
What condition does columnar metaplasia appear in?
Chronic gastritis
What is one of the areas that osteoid tissue arises from?
Fibroblasts metaplasia
Test your knowledge of organ abnormalities and atrophy with this quiz. Learn about the differences between hypoplasia, aplasia, and atrophy, and understand the various causes and effects of these conditions on different organs.
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