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A 67-Year-Old Man Comes to the Physician Because of Bloody

question 11

Multiple Choice

A 67-year-old man comes to the physician because of bloody urine. This morning, he noticed gross hematuria with passage of a few small blood clots in his urine. He also reports mild dysuria. He has since continued to have grossly bloody urine with occasional small blood clots. He denies fever, chills, back/flank pain, and bruising or bleeding at other sites. He denies any history of urolithiasis or trauma.
His other medical problems include a history of granulomatosis with polyangiitis (Wegener's) diagnosed 3 years ago. At that time, he was treated with 6 months of oral cyclophosphamide and tapering doses of prednisone. He has subsequently been maintained on oral methotrexate. He denies recent weight loss, arthralgias, or respiratory symptoms.
His blood pressure is 130/86 mm Hg, pulse is 84/min, and respirations are 16/min. He is afebrile. There are no bruises or petechiae. He does not have any flank pain. Cardiopulmonary examination is normal.
After sending a urine sample to the laboratory for culture, the following laboratory results are obtained:

Which of the following would have the highest diagnostic yield?

Definitions:

Variable Cost

A cost that varies with the level of output or production activity, increasing as production increases and decreasing as production decreases.

Carrying Cost

The total cost of holding inventory, including storage, insurance, taxes, and opportunity costs.

Terms Of Sale

Conditions agreed upon by the buyer and seller covering payment, delivery, and warranties, which define the responsibilities of each party in a transaction.

Inventory

The raw materials, work-in-process products, and finished goods that are considered to be the portion of a business's assets that are ready or will be ready for sale.