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 her FEV1/FVC ratio was within the normal range. Her diffusion capacity as measured by DLCO was low at 15 mL/min/mm Hg. A bronchoalveolar lavage and tissue biopsy were performed. The lavage sample revealed high numbers of macrophages but of abnormal appearance and high numbers of dead macrophages.
What type of lung disease do you suspect?
A. restrictive disease
B. obstructive disease
C. infectious disease
D. lung cancer
E. genetically inherited disease
ANS: A
You might also like to view...
Which of the following leads to back pain due to pressure on the spinal nerves?
A) intervertebral disc degeneration B) kyphosis C) erosion of articular cartilage D) loss of skeletal muscle mass
The iliopsoas muscles insert at the ________.
Fill in the blank(s) with the appropriate word(s).
The deepest of the abdominal muscles is the ________.
A. transversus abdominus B. rectus abdominus C. external oblique D. internal oblique
What is found in the central canal of the spinal cord?
A. Cerebrospinal fluid B. Astrocytes C. Oligodendrocytes D. Meningeal fluid E. Blood plasma