A 65-Year-Old Man Comes to the Office After Noticing Blood

question 1522

Multiple Choice

A 65-year-old man comes to the office after noticing blood in his urine.  He has had 2 similar episodes of bloody urine over the last month that cleared spontaneously.  He has had no abdominal pain, dysuria, or recent illness.  The patient has a 30-pack-year smoking history but quit 10 years ago.  He has a history of hypertension and has had a transient ischemic attack.  Temperature is 36.7 C (98 F) , blood pressure is 130/86 mm Hg, pulse is 80/min, and respirations are 16/min.  Physical examination, including digital rectal examination, is unremarkable.  Laboratory results are as follows: Which of the following is the most likely cause of this patient's symptoms?

• A)Acute glomerulonephritis
• B)Bladder cancer
• C)Bladder infection
• D)Prostate cancer
• E)Rhabdomyolysis
• F)Ureterolithiasis

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Definitions:

Primary Drive

Fundamental biological needs or urges, such as hunger, thirst, and sex, that motivate behavior.

Unlearned

Refers to behaviors or responses that are natural or inherent, not acquired or taught.

Learned

Acquired or developed as a result of experience, education, or training.

Homeostasis

The regulatory process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.