Antimicrobial Chemotherapeutic Agents 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 Alteration or lack of penicillin-binding proteins Production of β-lactamases by bacteria Impermeability of cell envelope All of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Polyene antibiotics are large ring structures β-lactam - thiazolidine ring any of these small ring structures large ring structures β-lactam - thiazolidine ring any of these small ring structures ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Who developed the concept of specific toxicity? Pasteur Watson Fleming Ehrlich Pasteur Watson Fleming Ehrlich ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following antibiotics can't be used for treatment of infections with β-lactamase-producing Staphylococcus aureus? Vancomycin Cephalothin Piperacillin Ampicillin/sulbactam Vancomycin Cephalothin Piperacillin Ampicillin/sulbactam ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Most antibiotics are isolated from viruses plants aquatic microorganisms soil microorganisms viruses plants aquatic microorganisms soil microorganisms 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 both (a) and (b) none of these tube dilution technique paper disk plate both (a) and (b) none of these tube dilution technique ANSWER DOWNLOAD EXAMIANS APP
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