Antimicrobial Chemotherapeutic Agents The most selective antibiotics are those that interfere with the synthesis of bacterial cell walls bacterial plasma membrane bacterial RNA bacterial DNA bacterial cell walls bacterial plasma membrane bacterial RNA bacterial DNA 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? Cephalothin Piperacillin Ampicillin/sulbactam Vancomycin Cephalothin Piperacillin Ampicillin/sulbactam Vancomycin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following tests is used to determine the minimal lethal concentration? Broth dilution test Dilution susceptibility tests All of these Agar dilution test Broth dilution test Dilution susceptibility tests All of these Agar dilution test ANSWER DOWNLOAD EXAMIANS APP
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 All of these Impermeability of cell envelope Alteration or lack of penicillin-binding proteins Production of β-lactamases by bacteria All of these Impermeability of cell envelope ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Novobiocin can be used against Haemophilus all of these gram -ve Meningococci & Gonococci gram +ve Staphylococci Haemophilus all of these gram -ve Meningococci & Gonococci gram +ve Staphylococci ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following methods would be most appropriate for sterilizing an antibiotic solution? Dry heat sterilization Autoclaving Desiccation Microfiltration Dry heat sterilization Autoclaving Desiccation Microfiltration ANSWER DOWNLOAD EXAMIANS APP