A 56-Year-Old Woman Has Worked in a Photography Shop Developing

question 5

Multiple Choice

A 56-year-old woman has worked in a photography shop developing film for the past 20 years.She has a long history of shortness of breath and chronic cough,which have progressively become worse.Her FEV₁ and FVC values were reduced,but the FEV₁/FVC ratio was within the normal range.Her diffusion capacity,as measured by DLco,was low,at 15 mL/min/mm Hg.Bronchoalveolar lavage and tissue biopsy were performed.The lavage sample revealed high numbers of abnormal-appearing macrophages and high numbers of dead macrophages. What is the specific diagnosis?

• A)Allergic airway disease
• B)Chronic bronchitis
• C)Silicosis
• D)Pneumoconiosis
• E)Tuberculosis

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Definitions:

Tumor Cells

Abnormal cells that grow and divide uncontrollably, forming a tumor, and may invade nearby tissues or spread to other parts of the body.

Coronary Heart Disease

A condition characterized by reduced blood flow to the heart muscle due to build-up of plaque in the arteries of the heart.

Percent

A mathematical term representing a part per hundred, used to describe proportions, ratios, or fractions in terms of hundredths.

Deaths

The act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism.