FPGEE 2026 Practice Exam for NABP – The Complete All-in-One Guide to Exam Success!

The main types of liquid dosage forms include solutions, suspensions, and emulsions due to their distinctive characteristics and applications in pharmaceutical formulations.

Solutions are homogeneous mixtures where the solute is completely dissolved in the solvent, leading to a clear formulation that is easy to administer and has predictable absorption and onset of action.

Suspensions consist of fine particles dispersed in a liquid but not fully dissolved, resulting in a formulation that may require shaking before use to ensure uniform distribution of the active ingredients. This category is often used when a liquid form is needed, but the drug is not soluble in that vehicle.

Emulsions are a mixture of two immiscible liquids, such as oil and water, which are stabilized by an emulsifying agent. This type of dosage form allows for the delivery of lipophilic drugs in a liquid form, enhancing solubility and stability.

In contrast, the other options contain dosage forms that do not primarily fall under liquid formulations. For instance, tablets, capsules, and powders represent solid dosage forms, while the division into liquids, solids, and gases does not specify the types of liquid formulations necessary for pharmacological use. Emulsions, gels, and ointments also include semi-solid formulations that are not classified purely as liquids