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NAPLEX — free MCQ practice

Choose from 30 questions across 1 subjects and 4 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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NAPLEX subjects

Biology (30)

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Antimicrobial DrugsBiologyMicrobiologyPharmacology

Try a NAPLEX question

The use of chemicals or drugs to treat any disease is properly called:Read the answer and worked solution →Penicillin was discovered accidentally in 1928 by:Read the answer and worked solution →Isolation and mass production of penicillin was achieved by a team at:Read the answer and worked solution →The scientist who first showed the antimicrobial capabilities of soil actinomycetes was:Read the answer and worked solution →

Worked practice questions

The use of chemicals or drugs to treat any disease is properly called:

  1. Chemotherapy
  2. Chiropractic
  3. Cryotherapy
  4. Chromatherapy
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Correct answer: A. Chemotherapy

1. Most people link the word to cancer treatment alone. 2. The term actually covers drug treatment of any disease. 3. That term is chemotherapy. _Source: OpenStax Microbiology, Chapter 14, Antimicrobial Drugs._

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Penicillin was discovered accidentally in 1928 by:

  1. Fulton
  2. Fleming
  3. Faraday
  4. Franklin
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Correct answer: B. Fleming

1. He returned from holiday to old staphylococcus plates. 2. A mould had killed the bacteria around it. 3. That scientist was Alexander Fleming. _Source: OpenStax Microbiology, Chapter 14, Antimicrobial Drugs._

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Isolation and mass production of penicillin was achieved by a team at:

  1. Oxford University
  2. Oregon University
  3. Ontario University
  4. Orleans University
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Correct answer: A. Oxford University

1. Fleming identified the substance but could not scale it. 2. Another team solved the production problem. 3. That team worked at Oxford University. _Source: OpenStax Microbiology, Chapter 14, Antimicrobial Drugs._

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