Histology And Integumentary System Practice Test

Hyperplasia is defined as which?

Change in cell type Decrease in cell size Increase in cell number Increase in cell size

Correct Answer:

Increase in cell number

Explanation:

Hyperplasia means an increase in the number of cells within a tissue, produced by enhanced cell proliferation in response to growth or hormonal signals. This leads to a larger tissue mass because there are more cells, not because each cell gets bigger. It differs from hypertrophy, which is an increase in cell size without more cells, and from metaplasia, which is a change in cell type. So the option describing an increase in cell number is the correct fit.

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