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Antibiotics & Vaccines Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. What is folic acid?

Question 2 2. Which of these statements is NOT true about drug-resistant tuberculosis?

Question 3 3. The antifungal drug flucytosine inhibits DNA and RNA synthesis in fungi but doesn't affect animal cells. How does this selective toxicity work?

Question 4 4. How do bacteria evolve antibiotic resistance?

Question 5 5. You visit the doctor's office for a skin infection that is getting progressively worse. The doctor thinks that you might have acquired an infection caused by Staphylococcus, which are Gram-positive bacteria. During the examination, the doctor determines that in order to effectively fight the Gram-positive bacteria, it is necessary to prescribe you antibiotic pills. Which of these antibiotics would the doctor be most likely to try first?

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Question 6 6. A patient who returned to the United States after vacationing in Africa was feeling ill. After a thorough examination his doctor determined that the patient is suffering from malaria. Which of the following would the doctor prescribe to treat the condition?

Question 7 7. What is one way that scientists believe antimicrobial peptides achieve selective toxicity?

Question 8 8. _____ are microorganisms and beneficial bacteria that live on and in our bodies for the purpose of keeping pathogens away.

Question 9 9. A patient comes to a clinic and complains of severe gastrointestinal problems. They tell the doctor that they had been swimming in a public pool recently and got water up their nose several times, which they also swallowed. Which drug might be a good choice for this patient?

Question 10 10. Because it directly kills bacteria, penicillin is _____.

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Question 11 11. How is the nucleoside analog, acyclovir, effective at treating cold sores and genital herpes?

Question 12 12. Which of these antibiotics causes the genetic code in the mRNA sequence to be misread?

Question 13 13. What is a zone of inhibition?

Question 14 14. For a minor fungal skin infection, like athlete's foot, which of these drugs would NOT be a good choice?

Question 15 15. Which step of gene expression do rifamycins inhibit?

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Question 16 16. Which kind of antibiotic must reach very high concentrations to be effective?

Question 17 17. Why are sulfa drugs selectively toxic?

Question 18 18. What does the drug Tamiflu (oseltamivir) actually do?

Question 19 19. How do we distinguish cephalosporins from penicillins?

Question 20 20. Which bacterial process(es) do quinolones and fluoroquinolones inhibit?

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Question 21 21. What is an NNRTI?

Question 22 22. Which bacterium causes severe antibiotic-associated diarrhea?

Question 23 23. Which of these antibiotics prevents tRNAs from attaching to the A site of the ribosome?

Question 24 24. What class of antibiotic does penicillin belong to?

Question 25 25. How do sulfa drugs inhibit the first enzyme in the bacterial folic acid pathway?

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Question 26 26. What is a peptide?

Question 27 27. Which of the following is NOT a depiction of how antibiotic misuse can increase antibiotic resistance?

Question 28 28. Which of the following is NOT a reason why booster shots are given?

Question 29 29. How do penicillin-treated bacteria die?

Question 30 30. Which of the following is NOT a good target for a selectively toxic antimicrobial drug?

Antibiotics & Vaccines Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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