Which of the following methods would be most appropriate for sterilizing an antibiotic solution? Desiccation Autoclaving Microfiltration Dry heat sterilization TRUE ANSWER : ? YOUR ANSWER : ?
The susceptibility of a microorganism to antibiotics and other chemotherapeutic agents can be determined by using none of these paper disk plate both (a) and (b) tube dilution technique TRUE ANSWER : ? YOUR ANSWER : ?
The larger the __________ , the better the chemotherapeutic agent. spectrum therapeutic index therapeutic dose selective toxicity TRUE ANSWER : ? YOUR ANSWER : ?
Vancomycin inhibits peptidoglycan synthesis by binding alanine racemase amidase D-alanyl - D-alanine D-alanyl - D-alanine synthetase TRUE ANSWER : ? YOUR ANSWER : ?
With which of the following aminoglycosides interfere? Protein synthesis Cell membrane function DNA function Cell wall synthesis TRUE ANSWER : ? YOUR ANSWER : ?
Quinolones are broad-spectrum bacteriostatic penicillin derivatives antimetabolites TRUE ANSWER : ? YOUR ANSWER : ?
Most antibiotics are isolated from aquatic microorganisms viruses plants soil microorganisms TRUE ANSWER : ? YOUR ANSWER : ?
The most selective antibiotics are those that interfere with the synthesis of bacterial DNA bacterial plasma membrane bacterial RNA bacterial cell walls TRUE ANSWER : ? YOUR ANSWER : ?
Cycloserine inhibits D-alanyl - D-alanine synthetase amidase Both (a) and (b) alanine racemase TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following may cause resistance to penicillin? Alteration or lack of penicillin-binding proteins Production of β-lactamases by bacteria Impermeability of cell envelope All of these TRUE ANSWER : ? YOUR ANSWER : ?