Antimicrobial Chemotherapeutic Agents Which antibiotic has a beta-lactam ring? Penicillin Streptomycin Tetracycline Cephalosporin Penicillin Streptomycin Tetracycline Cephalosporin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Impermeability of cell envelope All of these Alteration or lack of penicillin-binding proteins Production of β-lactamases by bacteria Impermeability of cell envelope All of these Alteration or lack of penicillin-binding proteins Production of β-lactamases by bacteria ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The compound(s) which act(s) as metabolic antagonist is/are sulphonamides none of these both (a) and (b) trimethoprim sulphonamides none of these both (a) and (b) trimethoprim ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The antibiotics not having good activity against Enterobacteriaceae is cefoxitin trimethoprim-sulphamethoxazole ciprofloxacin clindamycin cefoxitin trimethoprim-sulphamethoxazole ciprofloxacin clindamycin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The most selective antibiotics are those that interfere with the synthesis of bacterial plasma membrane bacterial RNA bacterial cell walls bacterial DNA bacterial plasma membrane bacterial RNA bacterial cell walls bacterial DNA ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Nystatin is a drug used for treatment of diseases caused by yeast protozoan gram positive bacterium gram negative bacterium yeast protozoan gram positive bacterium gram negative bacterium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS