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