Select the Statement That Best Describes the Mechanism of Action

question 19

Multiple Choice

Select the statement that best describes the mechanism of action of colchicine.

• A) Colchicine specifically alters the ability of the phagocytes to attack uric acid crystals. As a result, the pH of the joint fluid does not fall.
• B) Colchicine is a competitive inhibitor of xanthine oxidase, so uric acid formation is blocked.
• C) Colchicine is a noncompetitive inhibitor of xanthine oxidase, so uric acid formation is blocked.
• D) None of these are correct.

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Definitions:

Ordinary Mole

A common, small, pigmented skin lesion, benign in nature, but monitored for changes that could indicate malignancy.

Melanoma

A form of skin cancer originating from melanocytes, which are cells responsible for pigment production.

Macule

A discolored spot or patch on the skin neither elevated nor depressed.

Skin Lesion

Any change in the color or texture of the skin, often regarded as an abnormality, ranging from rashes and blisters to tumors.