A 22-Year-Old Man Sees His Physician Because of Painful Enlargement

question 7

Multiple Choice

A 22-year-old man sees his physician because of painful enlargement of the testis. On gross examination, the tumor measures 4 cm in diameter and is dark red. Histologically, it is composed of mononuclear cytotrophoblastic and multinucleated syncytiotrophoblastic cells surrounded by blood and necrotic tissue. Serologic studies would most likely show that the patient's blood contains elevated levels of which of the following hormones?

• A) Alpha-fetoprotein
• B) External iliac lymph nodes
• C) Androstenedione
• D) Estriol
• E) Inhibin

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Definitions:

Future Value

The value of an investment at a specific future date, including interest or dividends.

Interest Rate

The charge, delineated as a percentage of the initial amount, that a lender requires from a borrower for the utilization of assets.

One-sample Chi-square

A statistical test used to determine if a sample data matches a population with a specific distribution.

Goodness-of-fit Test

A statistical test used to determine how well observed data match the expected distribution or model.