Question

Which topical dosage form is a water-in-oil emulsion?

a) Cream

b) Lotion

c) Gel

d) Ointment

Answer 1

Ointment is a water-in-oil emulsion and is the correct answer.

Step-by-step explanation:

Water-in-oil emulsions are topical dosage forms where small droplets of water are dispersed in a continuous oily phase. The correct answer to the question is d) Ointment. Ointments are semisolid dosage forms used for topical application, and they consist of water-in-oil emulsions. They provide an oily barrier that reduces water loss from the skin.