An 18-Year-Old Man Comes to the Clinic Due to Hematuria

question 39

Multiple Choice

An 18-year-old man comes to the clinic due to hematuria and intermittent left flank pain of several months duration.  He has no history of trauma or sexually transmitted diseases and no associated fever or dysuria.  Examination reveals a soft abdomen with normal bowel sounds and no localized tenderness.  Urinalysis confirms 3+ blood but no white blood cells, crystals, or organisms.  Contrast-enhanced CT scan shows no abnormalities in the ureters or kidneys but does reveal compression of the left renal vein between the superior mesenteric artery and the aorta.  Which of the following is most likely to develop due to the vascular abnormality seen in this patient?

• A)Esophageal varices
• B)Left-sided ankle swelling
• C)Periumbilical venous distension
• D)Rectal varices
• E)Varicocele

---

Definitions:

Random Number Intervals

A sequence or range of numbers generated in such a way that each possible number is equally likely to occur, often used in simulations and statistical sampling.

Single-Channel

Pertaining to systems or processes that have only one path or mode of operation for handling tasks or transactions.

Single-Phase System

A system in which the customer receives service from only one station and then exits the system.

Interarrival Time

The duration of time between the arrival of one entity and the next in a queue or system.