Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Alteration or lack of penicillin-binding proteins All of these Impermeability of cell envelope Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins All of these Impermeability of cell envelope Production of β-lactamases by bacteria ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The penicillin stable in gastric acid and suitable for oral administration is methicillin carbenicillin pencillin-G closacillin methicillin carbenicillin pencillin-G closacillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The penicillin resistant to β-lactamases is penicillin-G ampicillin carbenicillin closacillin penicillin-G ampicillin carbenicillin closacillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents A broad-spectrum antibiotic such as chloramphenicol is one that kills all microorganisms kills numerous types of microbes kills both Gram positive and Gram negative bacteria kills all bacteria kills all microorganisms kills numerous types of microbes kills both Gram positive and Gram negative bacteria kills all bacteria ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The larger the __________ , the better the chemotherapeutic agent. spectrum therapeutic index therapeutic dose selective toxicity spectrum therapeutic index therapeutic dose selective toxicity ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the antibiotic is not used as a food preservative ? Pimaricin Tylosin β-lactam antibiotic Nisin Pimaricin Tylosin β-lactam antibiotic Nisin ANSWER DOWNLOAD EXAMIANS APP