The antibiotics not having good activity against Enterobacteriaceae is ciprofloxacin cefoxitin trimethoprim-sulphamethoxazole clindamycin TRUE ANSWER : ? YOUR ANSWER : ?
The antibiotics not clinically useful for Pseudomonas aeruginosa infection is piperacillin ceftazidime aminoglycosides trimethoprim-sulphamethoxazole TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following protein synthesis mechanisms may be affected by particular drugs? mRNA translocation Aminoacyl-tRNA binding All of these Peptide bond formation TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following tests is used to determine the minimal lethal concentration? All of these Broth dilution test Agar dilution test Dilution susceptibility tests TRUE ANSWER : ? YOUR ANSWER : ?
Which antibiotic has a beta-lactam ring? Streptomycin Cephalosporin Tetracycline Penicillin TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not an aminoglycoside antibiotic? Streptomycin Kanamycin Neomycin Cephalosporin TRUE ANSWER : ? YOUR ANSWER : ?
With which of the following aminoglycosides interfere? Cell wall synthesis Cell membrane function DNA function Protein synthesis TRUE ANSWER : ? YOUR ANSWER : ?
Most antibiotics are isolated from soil microorganisms plants aquatic microorganisms viruses TRUE ANSWER : ? YOUR ANSWER : ?
A broad-spectrum antibiotic such as chloramphenicol is one that kills all bacteria kills numerous types of microbes kills all microorganisms kills both Gram positive and Gram negative bacteria TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following may cause resistance to penicillin? Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins Impermeability of cell envelope All of these TRUE ANSWER : ? YOUR ANSWER : ?