Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? All of these Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The third generation cephalosporin agents is cephalothin cefoxitin cefotaxime cephalexin cephalothin cefoxitin cefotaxime cephalexin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents When using alcohol as an antiseptic, which concentration is considered most effective? 95% 50% 25% 70% 95% 50% 25% 70% ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The most selective antibiotics are those that interfere with the synthesis of bacterial plasma membrane bacterial DNA bacterial RNA bacterial cell walls bacterial plasma membrane bacterial DNA bacterial RNA bacterial cell walls ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The antibiotics not clinically useful for Pseudomonas aeruginosa infection is piperacillin trimethoprim-sulphamethoxazole aminoglycosides ceftazidime piperacillin trimethoprim-sulphamethoxazole aminoglycosides ceftazidime ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Nystatin is a drug used for treatment of diseases caused by yeast protozoan gram positive bacterium gram negative bacterium yeast protozoan gram positive bacterium gram negative bacterium ANSWER DOWNLOAD EXAMIANS APP