A 60-Year-Old Man Comes to the Office for a Work

question 1138

Multiple Choice

A 60-year-old man comes to the office for a work disability evaluation.  Since high school, the patient has worked in a factory manufacturing granite and quartz countertops.  His main concern is dyspnea that has slowly worsened over the last 2 years.  The patient has rheumatoid arthritis, for which he was prescribed methotrexate 5 years ago; he stopped taking it "some time ago" because his symptoms did not improve.  He owns an African Grey parrot and smoked heavily in his 30s and 40s.  Physical examination is notable for coarse inspiratory crackles and squawks that are loudest in the upper lung fields.  Bilateral digital clubbing and moderate metacarpophalangeal subluxation are present.  Pulmonary function tests demonstrate moderately reduced total lung capacity.  CT scan of the chest is shown in the image below: Which of the following factors best explains this patient's respiratory disease?

• A)Adverse drug reaction
• B)Cigarette smoke
• C)Occupational dust exposure
• D)Parrot ownership
• E)Uncontrolled rheumatoid arthritis

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Definitions:

Car Purchase

The process of acquiring a vehicle for personal or business use, which may involve financing or leasing options.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life in equal annual amounts.

Depreciation Table

A schedule that shows the depreciation expense, accumulated depreciation, and book value of each asset over its useful life.