Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Production of β-lactamases by bacteria All of these Alteration or lack of penicillin-binding proteins Impermeability of cell envelope Production of β-lactamases by bacteria All of these Alteration or lack of penicillin-binding proteins Impermeability of cell envelope ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Who developed the concept of specific toxicity? Ehrlich Watson Pasteur Fleming Ehrlich Watson Pasteur Fleming ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following is not β-lactamase-resistant penicillin? Nafcillin Methicillin Oxacillin Carbenicillin Nafcillin Methicillin Oxacillin Carbenicillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The mode of action of polymyxin is to inhibit folic acid synthesis inhibit protein synthesis inhibit DNA synthesis injury to the plasma membrane inhibit folic acid synthesis inhibit protein synthesis inhibit DNA synthesis injury to the plasma membrane ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Most antibiotics are isolated from aquatic microorganisms soil microorganisms viruses plants aquatic microorganisms soil microorganisms viruses plants ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following is not an aminoglycoside antibiotic? Kanamycin Streptomycin Neomycin Cephalosporin Kanamycin Streptomycin Neomycin Cephalosporin ANSWER DOWNLOAD EXAMIANS APP
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