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Which of the following ointment bases is anhydrous?

A Oleaginous

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.

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Sarah Hanlin

2 years ago

It seems the first test of 45 questions is all that free. To access more it is $7.99

Liz Calame

2 years ago

Watch out! Pro version is a subscription.


2 years ago

I saw the categories on this app and this doesn't match the new ptcb blueprint. Sterlie compounding isn't even on the ptcb exam and same with billing and reimbursement.

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