A 64-Year-Old Man Comes to the Emergency Department Due to Flank

question 422

Multiple Choice

A 64-year-old man comes to the emergency department due to flank discomfort and red urine.  He has a history of hypertension and type 2 diabetes mellitus.  Three months ago, the patient had an ischemic stroke and now has mild, residual, right-sided weakness.  Serum creatinine is 0.9 mg/dL, and serum lactate dehydrogenase is elevated.  Urine microscopy shows many red blood cells.  The findings of a CT scan of the abdomen with contrast are shown in the image below: Which of the following is the most likely cause of this patient's symptoms?

• A)Atrial fibrillation
• B)Deep venous thrombosis of the lower extremities
• C)Focal segmental glomerulosclerosis
• D)Hypersensitivity interstitial nephritis
• E)Pulmonary hypertension

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Definitions:

Point

A specific location or position in a spatial setting or within a set of data.

Market Price

The price at which goods or services are currently sold on the open market.

Profits

The financial gain calculated as the difference between the revenue earned from sales and the expenses, taxes, and costs incurred in producing those sales.

Short-Run Supply Curve

A graphical representation showing the relationship between the market price of a product and the amount of it that producers are willing to supply in the short term.