Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? 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 Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents When using alcohol as an antiseptic, which concentration is considered most effective? 25% 70% 95% 50% 25% 70% 95% 50% ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The larger the __________ , the better the chemotherapeutic agent. spectrum selective toxicity therapeutic index therapeutic dose spectrum selective toxicity therapeutic index therapeutic dose ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance? Choloramphenicol All of these Pencillins Aminoglyosides Choloramphenicol All of these Pencillins Aminoglyosides ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The compound(s) which act(s) as metabolic antagonist is/are trimethoprim none of these sulphonamides both (a) and (b) trimethoprim none of these sulphonamides both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents A parenteral route of drug administration refers to nonoral intramuscularly intravenously oral nonoral intramuscularly intravenously oral ANSWER DOWNLOAD EXAMIANS APP
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