Traditional Culture Encyclopedia - Traditional stories - (20 17 real question) According to the classification of targeted preparations in the guiding principles of China Pharmacopoeia, the third-level targeted preparation refers to ().
(20 17 real question) According to the classification of targeted preparations in the guiding principles of China Pharmacopoeia, the third-level targeted preparation refers to ().
Answer: e
According to the targeted site, targeted preparations can be divided into the following categories:
1, primary targeting preparation: refers to the release of drugs from capillary bed to the target site.
2. Secondary targeting preparation: refers to the release of drugs from special cells (such as tumor cells) that enter the target site, but it does not act on normal cells.
3. Three-level targeted preparation: refers to drugs that act on a certain part of cells.
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