A 45-Year-Old Man Comes to the Office Due to Recurrent

question 435

Multiple Choice

A 45-year-old man comes to the office due to recurrent, painful skin lesions in the right axilla for the past 6 months.  The patient has no other medical history and takes no medication.  He smokes a pack of cigarettes every day and works as a roofer.  Vital signs are normal.  Examination reveals tender, subcutaneous nodules in the right axilla and other findings as shown in the exhibit. 
The remainder of the examination is normal.  Which of the following is the most likely cause of the condition?

• A)Bacterial proliferation in eccrine sweat glands
• B)Immune response to Cutibacterium acnes
• C)Malignant transformation of epithelial cells
• D)Obstruction of folliculopilosebaceous units

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of a person’s income is taxed, indicating the impact of an additional dollar of earnings on the amount of taxes paid.

Average Tax Rate

The proportion of total income that is paid in taxes.

Economic Problems

Challenges that affect the economy as a whole, such as inflation, unemployment, and recession.

Government Involvement

The role played by a government in regulating and participating in economic activities, including implementing policies that affect the economy.