Antimicrobial Chemotherapeutic Agents With which of the following aminoglycosides interfere? DNA function Protein synthesis Cell wall synthesis Cell membrane function DNA function Protein synthesis Cell wall synthesis Cell membrane function ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The mode of action of polymyxin is to injury to the plasma membrane inhibit DNA synthesis inhibit protein synthesis inhibit folic acid synthesis injury to the plasma membrane inhibit DNA synthesis inhibit protein synthesis inhibit folic acid synthesis ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following is used only in life-threatening situations when no other drug is adequate? Streptomycin Tetracycline Penicillin Chloramphenicol Streptomycin Tetracycline Penicillin Chloramphenicol ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of moderate osmotic pressure low osmotic pressure high surface tension high osmotic pressure moderate osmotic pressure low osmotic pressure high surface tension high osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents The scientist who first discovered the substance penicillin was Joseph Lister none of these Alexander Fleming Paul Ehrlich Joseph Lister none of these Alexander Fleming Paul Ehrlich ANSWER DOWNLOAD EXAMIANS APP
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