Clubbing of the Digits, Periosteal New Bone Formation on the Metatarsals

question 6

Multiple Choice

Clubbing of the digits, periosteal new bone formation on the metatarsals, metacarpals, and proximal phalanges, and arthritis of adjacent joints is a paraneoplastic syndrome most often associated with carcinoma of the

• A) thyroid
• B) larynx
• C) bronchi
• D) liver
• E) stomach

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Definitions:

Amino

Refers to amino acids, the building blocks of proteins, characterized by the presence of both an amino group and a carboxyl group.

Carboxyl

A carboxyl group is a functional group consisting of a carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group, symbolized as -COOH.

Sulfhydryl

A functional group consisting of a sulfur atom bonded to a hydrogen atom (-SH), important in the structure and function of proteins.

ATP

Adenosine triphosphate, a molecule that carries energy within cells for metabolism.