Pharmaceutics aims to_________.
A. design a proper dosage form for a given drug substance
B. discover a new chemical entity
C. optimize the structure of a drug substance
D. analyze impurities contained in a drug
A well-designed dosage form may_______.
A. reduce toxic effect
B. speed up or slow down onset of action
C. increase drug selectivity
D. change drug effect
E. all of the above
Which of the following factors will reduce a drug’s bioavailability?
A. incomplete dissolution
B. degradation by stomach acid
C. poor ability to go across cell membrane due to low hydrophobicity
D. poor dissolving in the stomach or small intestine due to low hydrophilicity
E. all of the above
Syrups and elixirs contain ethanol to______.
A. increase the solubility of aromatic drug substance
B. kill microorganisms in the drug product
C. form heterogeneous mixture
D. make the drug more attractive to patients
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