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129721 Pathology

A 52-year-old man presents with a chronic cough and shortness of breath. He admits to smoking two packs of cigarettes a day for 30 years. Pulmonary function tests reveal chronic obstructive pulmonary disease. In counseling this patient, you advise him to stop smoking immediately You also mention that, in addition to emphysema, which of the following organs carries a significantly increased risk of smoking-related cancer?

ABrain
BLiver
CPancreas
DSkin
Pathology
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129725 Medicine

A 54-year-old man comes to the emergency room complaining of severe pain in his right toe. The pain is interfering with his ability to walk and he reports no prior trauma to the toe. He has had multiple less severe episodes in the past, which he always treats with pain medications.On physical examination, the toe is red, inflamed, and exquisitely sensitive to movement. An x-ray of the toe is normal and needle aspiration of the joint confirms uric acid crystals. He is treated with oral indomethacin (NSAID) for 7 days, and 1 month later he remains symptom free. Allopurinol is recommended for prevention of this condition. Which of the following is the most likely mechanism of action of allopurinol?

Ainhibition of xanthine oxidase
Bsolubilization of uric acid
Creactivity with hypoxanthine
Danti-inflammatory effect on joint tissue
Medicine
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