Which of the following may cause resistance to penicillin? All of these Impermeability of cell envelope Production of β-lactamases by bacteria Alteration or lack of penicillin-binding proteins TRUE ANSWER : ? YOUR ANSWER : ?
The scientist who first discovered the substance penicillin was Joseph Lister Paul Ehrlich Alexander Fleming none of these TRUE ANSWER : ? YOUR ANSWER : ?
Which is not an amino acid and peptide antibiotic? Bacitracin Tetranactin Penicillin Actinomycin TRUE ANSWER : ? YOUR ANSWER : ?
The antibiotics which affords a broad spectrum of antimicrobial coverage against aerobic and anaerobic bacteria, rickettsiae, chlamydiae, and mycoplasmas is vancomycin tetracycline metronidazole gentamicin TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following antibiotics can't be used for treatment of infections with β-lactamase-producing Staphylococcus aureus? Vancomycin Cephalothin Piperacillin Ampicillin/sulbactam TRUE ANSWER : ? YOUR ANSWER : ?
Cycloserine inhibits D-alanyl - D-alanine synthetase alanine racemase amidase Both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Chemotherapeutic agents must leave unaltered the host's natural defense mechanisms prevent/destroy the activity of a parasite be able to come in contact with the parasite by penetrating the cells All of these TRUE ANSWER : ? YOUR ANSWER : ?
A parenteral route of drug administration refers to intravenously nonoral oral intramuscularly TRUE ANSWER : ? YOUR ANSWER : ?
The third generation cephalosporin agents is cephalexin cephalothin cefoxitin cefotaxime TRUE ANSWER : ? YOUR ANSWER : ?
The compound(s) which act(s) as metabolic antagonist is/are both (a) and (b) trimethoprim sulphonamides none of these TRUE ANSWER : ? YOUR ANSWER : ?