A 37-Year-Old Man Presents with a Blue-Black Macule (1

question 12

Multiple Choice

A 37-year-old man presents with a blue-black macule (1 * 1 cm) in his palate. The area is covered with intact epithelium and there was no apparent inflammatory response. Biopsy shows deposits of black foreign material. This suggests which of the following?

• A) Kaposi's sarcoma
• B) Melanoma
• C) Amalgam tattoo
• D) Erythroplakia
• E) Melanotic macule

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Definitions:

Semi-strong Form

A concept in efficient market hypothesis proposing that all publicly available information is fully reflected in stock prices.

Variance

A statistical measure that represents the spread or dispersion of a set of data points from their mean.

Average Squared Difference

A statistical measure used in variance calculations, representing the average of the squared differences from the mean.

Actual Return

The real profit or loss achieved on an investment over a particular time period, often expressed as a percentage.