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A large number of which of these types of cells would indicate that a sputum specimen is sub-optimal and should not be used for culture?
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A large number of which of these types of cells would indicate that a sputum specimen is sub-optimal and should not be used for culture?
Please select the single best answer
Yeast
Polymorphonuclear white blood cells (PMNs)
Squamous epithelial cells
Bacteria
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