3. Interference mechanism of ciprofloxacin and norfloxacin is due to their action on
4. By which of the following means antifungal chemotherapeutic agents may affect fungi?
5. Which of the following methods would be most appropriate for sterilizing an antibiotic solution?
6. Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance?
7. Who developed the concept of specific toxicity?
8. When using alcohol as an antiseptic, which concentration is considered most effective?
9. Fluoroquinolones are antibiotics which inhibit
10. Which of the following is used only in life-threatening situations when no other drug is adequate?
11. The susceptibility of a microorganism to antibiotics and other chemotherapeutic agents can be determined by using
12. Most antibiotics are isolated from
13. Which of the following group is not the carbohydrate containing antibiotic?
14. The penicillin stable in gastric acid and suitable for oral administration is
15. Which of the following is not an example of potent antitumer agents?
16. More promising chemotherapeutic agents for treating viral diseases is
17. A parenteral route of drug administration refers to
18. Which of the following antibiotics can't be used for treatment of infections with β-lactamase-producing Staphylococcus aureus?
19. Which of the following is not an aminoglycoside antibiotic?
20. The nitrofurans differ from the antibiotics in that they
21. Quinolones are
22. Which of the following is not a semi synthetic chemotherapeutic agent?
23. Which of the following tests is used to determine the minimal lethal concentration?