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Quiz: Design a Delayed-Release Tablet
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1. Explain why some medicines are packaged as coated capsules while others come as solid pressed (uncoated) tablets.
2. Describe in your own words what a delayed-release drug is.
3. How can you achieve the delayed release of an active ingredient?
a. Press the active ingredient into tablet form.
b. Make the active ingredient insoluble in water.
c. Coat the active ingredient with a material that can dissolve inside the body.
d. Inject the active ingredient directly into the bloodstream.
Correct.
Incorrect.
4. Name one important material property that a substance used to coat a delayed-release tablet should have.
5. Draw a picture of what happens to a polymer-coated delayed-release drug inside the body over time. Label the important components.
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