When using alcohol as an antiseptic, which concentration is considered most effective? 50% 25% 95% 70% TRUE ANSWER : ? YOUR ANSWER : ?
The compound(s) which act(s) as metabolic antagonist is/are both (a) and (b) none of these sulphonamides trimethoprim TRUE ANSWER : ? YOUR ANSWER : ?
Novobiocin can be used against Haemophilus gram +ve Staphylococci gram -ve Meningococci & Gonococci all of these TRUE ANSWER : ? YOUR ANSWER : ?
Which antibiotic has a beta-lactam ring? Penicillin Cephalosporin Tetracycline Streptomycin TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following protein synthesis mechanisms may be affected by particular drugs? mRNA translocation Aminoacyl-tRNA binding All of these Peptide bond formation TRUE ANSWER : ? YOUR ANSWER : ?
The antibiotics not having good activity against Enterobacteriaceae is trimethoprim-sulphamethoxazole clindamycin ciprofloxacin cefoxitin TRUE ANSWER : ? YOUR ANSWER : ?
With which of the following aminoglycosides interfere? Protein synthesis Cell wall synthesis DNA function Cell membrane function TRUE ANSWER : ? YOUR ANSWER : ?
Cephalosporins and Penicillins interfere with which of the following? Cell wall synthesis Cell membrane function Protein synthesis DNA function TRUE ANSWER : ? YOUR ANSWER : ?
Both penicillin and fluoroquinolones must be transported into the cytoplasm in order to act inhibit the cross-linking of peptidoglycan bind to and inactivate a bacterial protein are inactivated by β-lactamase TRUE ANSWER : ? YOUR ANSWER : ?
A broad-spectrum antibiotic such as chloramphenicol is one that kills all bacteria kills both Gram positive and Gram negative bacteria kills all microorganisms kills numerous types of microbes TRUE ANSWER : ? YOUR ANSWER : ?