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Question:
Of the following ointment bases, which one is anhydrous?
A
Oleaginous.
explanation
An oleaginous base is anhydrous; the only other anhydrous base is an absorption base. Water–oil emulsion base, oil–water base, and water–miscible bases are hydrous.
Anhydrous ointment bases are those that do not contain water. Oleaginous ointment bases are anhydrous ointment bases that are made up of oils, fats, and waxes.
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