03-26-2009, 11:07 AM
9. A 55-year-old man comes to the physician because he has had a 3.6-kg (8-lb) weight loss during the past 3 months. He is a construction worker. He has smoked 2 packs of cigarettes daily for 35 years. He has no history of medical illnesses. Vital signs are normal. Physical examination shows suprapubic tenderness. Urinalysis shows 3 RBC/hpf, 0 WBC/hpf, and no bacteria. Urine cytology shows malignant cells. Which of the following is the strongest predisposing risk factor for this patient's condition?
A ) Age
B ) Cigarette smoking
C ) Gender
D ) Heredity
E ) Occupation
A ) Age
B ) Cigarette smoking
C ) Gender
D ) Heredity
E ) Occupation