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 larger the __________ , the better the chemotherapeutic agent. therapeutic dose selective toxicity therapeutic index spectrum therapeutic dose selective toxicity therapeutic index spectrum ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following is used only in life-threatening situations when no other drug is adequate? Chloramphenicol Streptomycin Tetracycline Penicillin Chloramphenicol Streptomycin Tetracycline Penicillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following is not β-lactamase-resistant penicillin? Carbenicillin Nafcillin Oxacillin Methicillin Carbenicillin Nafcillin Oxacillin Methicillin 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 tube dilution technique both (a) and (b) none of these paper disk plate tube dilution technique both (a) and (b) none of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents With which of the following aminoglycosides interfere? Cell membrane function Protein synthesis DNA function Cell wall synthesis Cell membrane function Protein synthesis DNA function Cell wall synthesis ANSWER DOWNLOAD EXAMIANS APP
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