17 Questions
What is the definition of hyperplasia according to the text?
Increase in size and weight of an organ due to an increase in the number of its cells.
What are the two main types of hyperplasia mentioned in the text?
Physiological and pathological
Which of the following is an example of physiological hyperplasia according to the text?
Mammary glands and genitalia at puberty due to estrogen stimulation
What is the definition of atrophy according to the text?
Decrease in size of cells with a decrease in size and weight of an organ.
What is an example of pathological atrophy mentioned in the text?
All of the above
What is the difference between cell hypertrophy and cell hyperplasia according to the text?
Cell hypertrophy is an increase in size of cells, while cell hyperplasia is an increase in number of cells.
What is the process by which a cell develops a distinct specialized function and morphology not present in the parent cell?
Differentiation
Which type of growth involves increasing cell size without replication?
Hypertrophy
When does hyperplasia occur?
As a result of increased cell division
Which condition involves altered growth characterized by abnormal changes in size, shape, and organization of cells?
Dysplasia
What type of hypertrophy affects the muscle coat of hollow organs due to increased intra-luminal pressure?
Urinary bladder hypertrophy
Which term refers to the process where cells adapt to changes in their environment by modification of their metabolism and growth pattern?
Differentiation
Which of the following is NOT a mechanism of growth described in the text?
Increase in the number of organelles within cells
The text describes metaplasia, hyperplasia, and dysplasia as adaptations. What is the key difference between these adaptations and neoplastic growth?
All of the above
Which of the following is NOT a characteristic of malignant tumors described in the text?
Increased intercellular tissue components
The text states that growth can occur through a combination of which of the following mechanisms?
Increase in cell numbers, increased cell size, and increase in intercellular tissue components
Which of the following conditions is characterized by abnormal cellular proliferation without invasion or metastasis?
Hyperplasia
Test your knowledge on disorders of growth and neoplasia by describing concepts like hyperplasia, metaplasia, dysplasia, and the progression to carcinoma. Classify tumors based on tissue of origin, morphological criteria, and behavior. Learn to differentiate between benign, locally malignant, and overtly malignant tumors.
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