Multiple Choice
Which of the following is not a characteristic of tumor cells?
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20. Cancer
Overview of Cancer
Multiple Choice
In the context of cancer types, squamous cell carcinoma most commonly arises from which tissue type?
A
Glandular epithelial cells that form secretory acini and ducts
B
Mesenchymal cells such as fibroblasts in connective tissue
C
Squamous epithelial cells lining surfaces such as the skin and upper aerodigestive tract
D
Hematopoietic precursor cells in the bone marrow
Verified step by step guidance1
Understand the definition of squamous cell carcinoma: it is a type of cancer that originates from squamous epithelial cells, which are flat, scale-like cells forming the surface layer of certain tissues.
Identify the tissue types listed in the problem: glandular epithelial cells, mesenchymal cells, squamous epithelial cells, and hematopoietic precursor cells.
Recall that glandular epithelial cells form secretory structures like acini and ducts, which are typically associated with adenocarcinomas, not squamous cell carcinomas.
Recognize that mesenchymal cells, such as fibroblasts, give rise to sarcomas, a different category of cancer distinct from carcinomas.
Conclude that squamous cell carcinoma most commonly arises from squamous epithelial cells lining surfaces such as the skin and upper aerodigestive tract, as these cells are the origin of this cancer type.
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