Antimicrobial Chemotherapeutic Agents 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 Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins Impermeability of cell envelope All of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The third generation cephalosporin agents is cephalothin cefoxitin cephalexin cefotaxime cephalothin cefoxitin cephalexin cefotaxime ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The penicillin resistant to β-lactamases is penicillin-G ampicillin closacillin carbenicillin penicillin-G ampicillin closacillin carbenicillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The antibiotics not clinically useful for Pseudomonas aeruginosa infection is ceftazidime aminoglycosides trimethoprim-sulphamethoxazole piperacillin ceftazidime aminoglycosides trimethoprim-sulphamethoxazole piperacillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following drugs may show plasmid-mediated resistance? Methicillin Nalidixic acid Rifampicin Ampicillin Methicillin Nalidixic acid Rifampicin Ampicillin ANSWER DOWNLOAD EXAMIANS APP
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