In my opinion, these are what I think the sentences should be filled in with. 1. Convey 2. Obtain 3. Isolate 4. Devise 5. Emancipated 6. Deny 7. Construct 8. Confine 9. Attributed 10. Devise
The context suggests a noun that means "medicine", i.e. a pill or a liquid used in treating illness. The correct choice would be C. medication because that's what the term 'medication' means: drugs used to treat an illness.