A 46-Year-Old Smoker Presents to Your Office with a Three

question 497

Multiple Choice

A 46-year-old smoker presents to your office with a three week history of low-grade fever, weakness and neck swelling. Biopsy of the affected tissue reveals the following histologic findings: An abnormality in which of the following tissues is most likely responsible for this patient's symptoms?

• A)Respiratory epithelium
• B)Thyroid gland
• C)Lymphoid tissue
• D)Myeloid precursors
• E)Skin epithelium

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Definitions:

Diaphysis

The diaphysis is the main or midsection (shaft) of a long bone, distinguished from the bone's ends or epiphyses.

Disk

A flat, thin, round object or medium, often used for storing digital data.

Femur

The femur is the thigh bone, which is the longest and strongest bone in the human body.

Cavity

A hole or space within the body or a solid structure, often referring to tooth decay in dentistry or a hollow area in anatomy.