A Callus May Develop When Both Thin and Thick Skin

question 92

Multiple Choice

A callus may develop when both thin and thick skin are subjected to repeated pressure. Which layer of the epidermis develops the callus?

• A) stratum lucidum
• B) stratum spinosum
• C) stratum basale
• D) stratum corneum

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Definitions:

Cancer

A group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body, characterized by genetic mutations and often requiring complex treatments.

Radon-222

A radioactive gas that is a decay product of uranium, which can accumulate in buildings and increase the risk of lung cancer upon exposure.

Underground Deposits

Natural accumulations of minerals, metals, or other geological resources that are located beneath the Earth's surface, often requiring mining to extract.

Radon-222

A radioactive, colorless, odorless, tasteless noble gas, occurring naturally as an indirect decay product of uranium or thorium, and considered a health hazard due to its radioactivity.