Podcast Beta
Questions and Answers
Which of the following is the definition of an antibiotic?
What is the consequence of antibiotic treatment on the gastrointestinal tract?
What is the lowest concentration that results in inhibition of visible growth in antibiotic susceptibility testing?
Which pathogen is most frequently acquired in hospitals?
Signup and view all the answers
What is the proposed solution to combat antimicrobial resistance?
Signup and view all the answers
What is combination therapy?
Signup and view all the answers
What is the main cause of resistance to antiviral drugs?
Signup and view all the answers
What is the main factor that promotes antimicrobial resistance?
Signup and view all the answers
Which of the following is a common cause of bacterial resistance to penicillins?
Signup and view all the answers
What is the main difference between cephalosporins and cephamycins?
Signup and view all the answers
Which antibiotic is generally used against Mycobacterium tuberculosis?
Signup and view all the answers
What is the mode of action of quinolones?
Signup and view all the answers
What is the spectrum of activity of sulfonamides and sulfones?
Signup and view all the answers
What is the mode of action of trimethoprim?
Signup and view all the answers
What is the mode of action of tetracyclines?
Signup and view all the answers
What is the first choice of treatment for infections caused by gram-negative bacilli?
Signup and view all the answers
What is the mechanism of resistance for chloramphenicol?
Signup and view all the answers
What is the mode of action of macrolides?
Signup and view all the answers
Which enzyme is responsible for catalyzing the crosslinking of NAM and NAG in peptidoglycan?
Signup and view all the answers
What are penicillin-binding proteins (PBPs) and why are they important?
Signup and view all the answers
What are the three general mechanisms by which bacteria can become resistant to beta-lactam antibiotics?
Signup and view all the answers
What are beta-lactamase inhibitors and how do they work?
Signup and view all the answers
Which antibiotic therapy is used to prevent the emergence of resistant strains?
Signup and view all the answers
What is MRSA?
Signup and view all the answers
What is the proposed solution to combat antimicrobial resistance?
Signup and view all the answers
What is the mode of action of Rifampicin?
Signup and view all the answers
What is the mode of action of quinolones?
Signup and view all the answers
What is the spectrum of activity of Sulfonamides and Sulfones?
Signup and view all the answers
What is the mode of action of Trimethoprim?
Signup and view all the answers
What is the mode of action of spectinomycin?
Signup and view all the answers
What is the spectrum of activity of tetracyclines?
Signup and view all the answers
What is the mode of action of fusidic acid?
Signup and view all the answers
What is the mode of action of macrolides?
Signup and view all the answers
What is the mode of action of vancomycin?
Signup and view all the answers
What is the mechanism of resistance for β-lactam antibiotics in gram-negative bacteria?
Signup and view all the answers
What is the spectrum of activity of aminoglycosides?
Signup and view all the answers
What is the function of beta-lactamase inhibitors?
Signup and view all the answers
What is the difference between an antibiotic and an antimicrobial agent?
Signup and view all the answers
What is the consequence of antibiotic treatment on the gastrointestinal tract?
Signup and view all the answers
What are the five principal mechanisms of resistance to antibacterial drugs?
Signup and view all the answers
What is the main cause of bacterial resistance to penicillins?
Signup and view all the answers
What is the difference between cephalosporins and cephamycins?
Signup and view all the answers
What is the mechanism of action of carbapenems?
Signup and view all the answers
What are the factors that promote antimicrobial resistance?
Signup and view all the answers
Which pathogen is most frequently acquired in hospitals?
Signup and view all the answers
What is the proposed solution to combat antimicrobial resistance?
Signup and view all the answers
What is combination therapy?
Signup and view all the answers
Which enzyme is responsible for catalyzing the crosslinking of NAM and NAG in peptidoglycan?
Signup and view all the answers
What is the mode of action of vancomycin?
Signup and view all the answers
What is the mechanism of resistance for β-lactam antibiotics in gram-negative bacteria?
Signup and view all the answers
What is the spectrum of activity of aminoglycosides?
Signup and view all the answers
What is the mode of action of aminoglycosides?
Signup and view all the answers
What is the spectrum of activity of tetracyclines?
Signup and view all the answers
What is the mode of action of chloramphenicol?
Signup and view all the answers
What is the mode of action of macrolides?
Signup and view all the answers
What is the mode of action of Rifampicin?
Signup and view all the answers
What is the spectrum of activity of Quinolones?
Signup and view all the answers
What is the mode of action of Sulfonamides and Sulfones?
Signup and view all the answers
What is the mode of action of Trimethoprim?
Signup and view all the answers
Which antibiotic is active against most gram-positive bacteria such as staphylococci and streptococci?
Signup and view all the answers
What is the difference between cephalosporins and cephamycins?
Signup and view all the answers
What are the factors that promote antimicrobial resistance?
Signup and view all the answers
What is the characteristic feature of carbapenems?
Signup and view all the answers
Which microorganisms can proliferate in the gastrointestinal tract due to antibiotic treatment?
Signup and view all the answers
What is the lowest concentration that kills 99.9% of the original inoculum in antibiotic susceptibility testing?
Signup and view all the answers
What are the principal mechanisms of resistance to antibacterial drugs?
Signup and view all the answers