GROSS ANATOMY
LOWER RESPIRATORY TRACT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pus cells <5/low power field and epithelial cells >25/low power field
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Pus cells >25/low power field and epithelial cells <5/low power field
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Pus cells >25/low power field and epithelial cells >25/low power field
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Pus cells <5/low power field and epithelial cells <5/low power field
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Detailed explanation-1: -An acceptable specimen has more than 25 leukocytes and fewer than 10 epithelial cells per low power field.
Detailed explanation-2: -The quality of sputum specimens was determined based on Murray-Washington criteria (23), as previously applied (24, 25). The good-quality specimens were those with ≤10 squamous epithelium and >25 leukocytes. Otherwise, it was judged as the poor-quality specimen.
Detailed explanation-3: -Sputum that has passed through the mouth normally contains several types of harmless bacteria. These include some types of strep (Streptococcus) and staph (Staphylococcus). The culture should not show any harmful bacteria or fungi. Normal culture results are negative.
Detailed explanation-4: -Pus cells are inflammatory cells recruited to site of infection to fight against the infection. Therefore, in sputum with a high number of pus cells, it is suspected that there is a respiratory infection, not minding the number of SEC cells (respiratory contaminants) present.