Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Impermeability of cell envelope Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins All of these Impermeability of cell envelope Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins All of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The susceptibility of a microorganism to antibiotics and other chemotherapeutic agents can be determined by using paper disk plate none of these both (a) and (b) tube dilution technique paper disk plate none of these both (a) and (b) tube dilution technique ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Cycloserine inhibits alanine racemase amidase Both (a) and (b) D-alanyl - D-alanine synthetase alanine racemase amidase Both (a) and (b) D-alanyl - D-alanine synthetase ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Interference mechanism of ciprofloxacin and norfloxacin is due to their action on cell wall synthesis cell membrane function protein synthesis DNA function cell wall synthesis cell membrane function protein synthesis DNA function ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance? All of these Aminoglyosides Pencillins Choloramphenicol All of these Aminoglyosides Pencillins Choloramphenicol ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Quinolones are bacteriostatic broad-spectrum antimetabolites penicillin derivatives bacteriostatic broad-spectrum antimetabolites penicillin derivatives ANSWER DOWNLOAD EXAMIANS APP
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