A 5-Year-Old Boy Is Undergoing a Partial Hepatectomy to Treat

question 412

Multiple Choice

A 5-year-old boy is undergoing a partial hepatectomy to treat a poorly draining liver abscess.  He has a history of recurrent skin abscesses.  Cultures from his liver abscess are growing Staphylococcus aureus, which is sensitive to the current antibiotic regimen, but the abscess has failed to improve.  Genetic analysis reveals an inactivating mutation affecting a neutrophil oxidase enzyme.  This patient most likely has an increased risk of infection with which of the following organisms?

• A)Burkholderia cepacia
• B)Enterococcus faecalis
• C)Giardia lamblia
• D)Herpes simplex virus type 1
• E)Streptococcus pyogenes

---

Definitions:

Average Total Cost

The cost per unit of output, calculated by dividing the overall production costs by the number of units produced.

Profit-maximizing

A strategy or point where a business reaches the highest possible profit level with given operational limits and market conditions.

Total Revenue

the overall amount of money generated by a firm from its sales activities before any costs or expenses are subtracted.

Variable Cost

Costs that change in proportion to the activity of a business such as the cost of raw materials.