The antibiotics which affords a broad spectrum of antimicrobial coverage against aerobic and anaerobic bacteria, rickettsiae, chlamydiae, and mycoplasmas is vancomycin metronidazole gentamicin tetracycline TRUE ANSWER : ? YOUR ANSWER : ?
Quinolones are bacteriostatic antimetabolites broad-spectrum penicillin derivatives TRUE ANSWER : ? YOUR ANSWER : ?
When using alcohol as an antiseptic, which concentration is considered most effective? 95% 25% 70% 50% TRUE ANSWER : ? YOUR ANSWER : ?
The larger the __________ , the better the chemotherapeutic agent. therapeutic index spectrum therapeutic dose selective toxicity TRUE ANSWER : ? YOUR ANSWER : ?
Cephalosporins and Penicillins interfere with which of the following? DNA function Cell wall synthesis Protein synthesis Cell membrane function TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following may cause resistance to penicillin? Alteration or lack of penicillin-binding proteins Impermeability of cell envelope All of these Production of β-lactamases by bacteria TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following group is not the carbohydrate containing antibiotic? Erythromycin & candicidin Vancomycin & Moenomycin Everninomycin & Nogirimycin Streptomycin & Streptothricin TRUE ANSWER : ? YOUR ANSWER : ?
Which antibiotic has a beta-lactam ring? Cephalosporin Penicillin Streptomycin Tetracycline TRUE ANSWER : ? YOUR ANSWER : ?
Vancomycin inhibits peptidoglycan synthesis by binding alanine racemase D-alanyl - D-alanine amidase D-alanyl - D-alanine synthetase TRUE ANSWER : ? YOUR ANSWER : ?
Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of low osmotic pressure high surface tension high osmotic pressure moderate osmotic pressure TRUE ANSWER : ? YOUR ANSWER : ?