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
查看答案
Which of the following inactive ingredients can prevent the growth of microorganisms in a solution?
A. stabilizer
B. preservative
C. flavorant
D. solvent
Which of the following dosage forms is given parenterally?
A. powder for injection
B. chewable tablet
C. syrup
D. oral solution
Dissolution refers to _________.
A. release of drug molecules from the surface of the solid drug and subsequent dissolving in the surrounding body fluid
B. drug movement through the GI tract
C. drug absorption into the blood
D. disintegration of solid dosage form into smaller pieces or particles.
Certain antibiotics are formulated into powders and granules and reconstituted with purified water immediately before dispensing to the patient because _______.
A. they exhibit high bioavailability in solid dosage form
B. they are not stable enough in aqueous solution to withstand long shelf-lives
C. they have poor solubility in water
D. they undergo significant degradation in solid dosage form
微信支付 
支付宝支付