药剂学答案2023

第一章测试

1.Which of the following statements is NOT the reason for the incorporation of drugs into various dosage forms（ ）
A:To conceal the bitter, salty, or offensive taste or odor of a drug substance B:To reduce the cost of production. C:To control the drug release and distribution in body D:To protect the drug substance from the destructive influence of atmospheric oxygen
答案:B
2.The roles of excipients do NOT include（ ）
A:To furnish pharmacologic activity B:To control the drug release C:To conceal the offensive taste D:To improve the ability of drug
答案:A
3.Which of the following statements is FALSE?（ ）
A:In general, the aqueous solubility of weak bases increases as the pH is increased B:A drug substance must possess some aqueous solubility for systemic absorption and therapeutic response C:Absorption of a weak electrolyte drug often depends on the extent to which the drug exists in its unionized form at the absorption site D:Amorphous forms of drug have faster dissolution rates than crystalline forms
答案:A
4.The stability of a drug product could be affected by（ ）
A:Dosage form B:Dosage C:Color of drugs D:Package
答案:AD
5.The shelf life of a drug product is the time that elapses before the drug content no longer exceeds 90%. （ ）
A:错 B:对
答案:B