A 42-year-old man with pneumonia gives a sputum sample showing a mix of gram-positive cocci and gram-negative rods. Which cell type if present in high amounts under light microscopy might suggest the need to repeat the sample?
Ciliated columnar
Ciliated squamous
Ciliated transitional
Cuboidal
Non-keratinized squamous
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Cut-to-the-chase Answer (0:31):
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HY USMLE Answer (2:38):