Podcast
Questions and Answers
Which of the following is true about chlorhexidine gluconate (Hibiclens)?
Which of the following is true about chlorhexidine gluconate (Hibiclens)?
- It is effective against GPCs, GNRs, and fungi (correct)
- It is effective only against fungi
- It is ineffective against GPCs and GNRs
- It is ineffective against all organisms
Which antibiotic inhibits DNA helicase (DNA gyrase)?
Which antibiotic inhibits DNA helicase (DNA gyrase)?
- Tetracycline
- Erythromycin
- Quinolones (correct)
- Rifampin
What is the mechanism of action of metronidazole (Flagyl)?
What is the mechanism of action of metronidazole (Flagyl)?
- Inhibition of 30s ribosome and protein synthesis
- Inhibition of cell wall synthesis
- Production of oxygen radicals that breakup DNA (correct)
- Inhibition of RNA polymerase
What is the mechanism of action of sulfonamides?
What is the mechanism of action of sulfonamides?
Which type of antibiotics have irreversible binding to ribosome and are considered bactericidal?
Which type of antibiotics have irreversible binding to ribosome and are considered bactericidal?
What is the most common method of antibiotic resistance?
What is the most common method of antibiotic resistance?
What is the mechanism of action of penicillins?
What is the mechanism of action of penicillins?
What type of antibiotics are tetracycline, clindamycin, and erythromycin?
What type of antibiotics are tetracycline, clindamycin, and erythromycin?
Which antibiotic produces oxygen radicals that break up DNA?
Which antibiotic produces oxygen radicals that break up DNA?
Which antibiotic inhibits RNA polymerase?
Which antibiotic inhibits RNA polymerase?
What is the mechanism of action of trimethoprim?
What is the mechanism of action of trimethoprim?
What antibiotic is effective against GPCs and GNRs but poor for fungi?
What antibiotic is effective against GPCs and GNRs but poor for fungi?
What is the specific antibiotic effective for enterococci but not effective for Pseudomonas, Acinetobacter, or Serratia?
What is the specific antibiotic effective for enterococci but not effective for Pseudomonas, Acinetobacter, or Serratia?
Which drug has a side effect of inhibiting platelets and has a high salt load?
Which drug has a side effect of inhibiting platelets and has a high salt load?
Which antibiotic has the longest half-life and is therefore best for prophylaxis?
Which antibiotic has the longest half-life and is therefore best for prophylaxis?
Which antipseudomonal penicillin is effective for enterococci and Pseudomonas, Acinetobacter, and Serratia?
Which antipseudomonal penicillin is effective for enterococci and Pseudomonas, Acinetobacter, and Serratia?
Which antibiotic is not effective for MEP: MRSA, Enterococcus, and Proteus?
Which antibiotic is not effective for MEP: MRSA, Enterococcus, and Proteus?
Which antibiotic facilitates aminoglycoside penetration and has the side effects of reversible nephrotoxicity and irreversible ototoxicity?
Which antibiotic facilitates aminoglycoside penetration and has the side effects of reversible nephrotoxicity and irreversible ototoxicity?
Which antifungal drug binds ergosterols in the wall and alters membrane permeability?
Which antifungal drug binds ergosterols in the wall and alters membrane permeability?
Which antituberculosis drug inhibits RNA polymerase?
Which antituberculosis drug inhibits RNA polymerase?
Which antiviral drug is used for CMV infections and has the side effects of decreased bone marrow and CNS toxicity?
Which antiviral drug is used for CMV infections and has the side effects of decreased bone marrow and CNS toxicity?
What is the side effect of hepatotoxicity associated with which antituberculosis drug?
What is the side effect of hepatotoxicity associated with which antituberculosis drug?
Which antiviral drug is used for HSV infections and EBV?
Which antiviral drug is used for HSV infections and EBV?
What side effect is associated with erythromycin (macrolides)?
What side effect is associated with erythromycin (macrolides)?