Approve or disapprove the following statements:
1. Antibiotic substances encourage the growth of microorganisms.
2. Penicillin is the last antibiotic to be produced.
3. Antibiotics are simpler rather small molecular weight substances whose synthesis may be extremely easy.
4. Chloramphenicol can be obtained from the filtrate of various carbohydrates cultures by extraction with ethyl acetate.
5. Chloramphenicol is slowly absorbed from the gastrointestinal tract.
6. The drug is longer detectable in the blood after 12 to 18 hours.
7. Chloramphenicol is marketed in suppositories.

vitm1    2   26.04.2020 19:15    5