The antimicrobial drugs with the broadest spectrum of activity are tetracyclines.
Omitted options are
A) aminoglycosides.
B) chloramphenicol.
C) penicillin G.
D) macrolides.
E) tetracyclines.
Antimicrobial spectrum of an antibiotic is defined as the range of microorganisms that can be kiiled or inhibited by Antibiotics
Based on this spectrum, Antibiotics are divided into
- broad-spectrum antibiotics,
- extended-spectrum antibiotics
- narrow-spectrum antibiotics
- Now, broad-spectrum antibiotics are those antibiotics that can kill or inhibit a wide range of microorganisms which contains the Gram positive and negative bacteria, Examples include Ciprofloxacin, Doxycycline, Minocycline, Tetracycline, Imipenem, Azithromycine.
- Extended-spectrum antibiotics are those antibiotics that can kill or inhibit majorly Gram positive bacteria and small amounts of Gram negative bacteria. example, Ampicillin.
- Narrow-spectrum antibiotic can only kill or inhibit very minute species of bacteria. Example includes, Sarecycline, Vancomycin, Isoniazid.
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