An 8-Question Melanonychia Quiz

September 14, 2016
Leo Robert

A teen’s pigmented fingernail was not a cause for alarm but did present a teaching opportunity. Take this brief quiz to test your knowledge.

An African-American teenage girl who comes in for a sports participation exam has had a vertical brown line under an index fingernail for 4 or 5 years. The diagnosis was longitudinal melanonychia, a condition that results from increased production of melanin in the nail matrix.

The pigmentation had not been a cause for alarm but did present a teaching opportunity for physician and resident. Take this brief quiz to test your knowledge of melanonychia.

Note: If you would like more information on any of the questions, a link to the original article, “A Long Brown Line Under a Young Woman's Fingernail,” is provided on the last page of the quiz.

 

Question 1:

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The correct answer is E. A and C but not B

 

Question 2.

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The correct answer is B. African-Americans

 

Question 3.

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The correct answer is A. Nail pitting

 

Question 4.

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The correct answer is D. A, B, and C

 

Question 5.

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The correct answer is B. False

 

Question 6.

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The correct answer is C. Can be benign or malignant

 

Question 7.

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The correct answer is C. Lentigines

 

Question 8.

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The correct answer is E. A and C but not B

For more information on all questions and answers, please visit “A Long Brown Line Under a Young Woman’s Fingernail.”

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