A 52-Year-Old Active Smoker Comes to the Office Due to a 2-Week

question 74

Multiple Choice

A 52-year-old active smoker comes to the office due to a 2-week history of malaise, shortness of breath, and decreased appetite.  The patient has a history of bicuspid aortic valve and hypertension.  His temperature is 39 C (102.2 F) , blood pressure is 140/80 mm Hg, and pulse is 110/min.  On examination, the patient has a systolic ejection murmur at the right upper sternal border that is unchanged from previous visits; there is a new decrescendo diastolic murmur best heard in the third intercostal space at the left sternal border.  Laboratory studies show hemoglobin is 9.3 g/dL and leukocytes are 16,500/mm³.  Blood cultures are positive for Streptococcus gallolyticus (formerly S bovis) .  Additional workup for this patient should focus on which of the following conditions?

• A)Colonic neoplasia
• B)Intravenous drug use
• C)Lung cancer
• D)Oral infection
• E)Urinary tract infection

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Definitions:

Income Effect

The alteration in the consumption habits of a person or an economy due to a variation in actual income.

Inferior Good

A type of good for which demand decreases when income increases, and vice versa, unlike normal goods where demand increases with an increase in income.

Marginal Utility

The additional enjoyment or value that comes from the consumption of one more unit of a product or service.

Optimal Consumption

The allocation of resources or choosing of goods and services that maximizes the utility or satisfaction of a consumer, given their budget constraints.