MCB 2289LMicro LearnSmart Mod. 8 quiz.

1. In which items or situations might you want to reduce or limit microbial growth? 2. All of the following are possible outcomes of selecting an antibiotic that is ineffective to treat a particular infection EXCEPT? 3. Which of the following processes removes or destroys endospores? 4. A bacterial strain has been isolated from a patient's urine specimen and a Kirby-Bauer susceptibility test has been performed on the strain. There is no zone of inhibition around Antibiotic X. Which statement correctly describes this situation? 5. Which of the following is a chemical means of controlling microbial growth? 6. Chlorohexidine, chlorxylenol, or iodine compounds are often found in antimicrobial soaps used as surgical scrubs. These are examples of ? 7. The sources of all antimicrobial drugs are fungi and other microorganisms. 8. UV radiation causes the formation of adenine dimers. 9. An antimicrobial, such as isoniazid, that is only effective against mycobacterial species would be referred to as a drug. 10. The wavelength of ultraviolet radiation is shorter than the wavelengths of visible light 11. Based on the results of a disk diffusion antimicrobial susceptibility test, the growth of an organism was found to be significantly inhibited by the antimicrobial drug. Based on this observations, the bacteria is described as being to the drug. 12. Which is the preferred media for use with the Kirby-Bauer susceptibility test? 13. A drug which reduces the normal microbiota but doesn't effectively target the causative agent of an infection may actually make the infection worse. 14. An antibiotic which interferes with the activity of ribosomes would have the most effect on which of the following? 15. The clear area where no bacteria are growing around the chemical disk is called a zone of inhibition.