VUMIE Online

Gram Stains
Microscopy
Anatomy, Shape, Arrangements

Objective quiz – making lawns

Indicate all correct answers.

1. Lawns differ from streak plates in that:
2. Indicate which of the following statements are True.
3. Indicate which of the following statements are True.
4. Put the following steps in a Kirby-Bauer test in their proper order.
  • Add antibiotic-impregnated disks
  • Aseptically obtain broth inoculum with a sterile cotton-tipped applicator
  • Observe for zones of inhibition
  • Incubate overnight
  • Thoroughly spread cells over surface of the plate
5. Put the following steps in a bacteriophage assay in their proper order.
  • Incubate overnight
  • Obtain tubes of a broth culture of the bacterium and a liquid with suspected bacteriophage
  • Observe for plaques
  • Mix bacteria and bacteriophage
  • Thoroughly spread over surface of the plate