Answer Key for Quiz 1:  Bacteria and Yeast
 
 The correct answer is starred.

1. The organisms shown here are

  1. cocci
  2. yeast
  3. spirochetes
  4. bacilli *
  5. protozoa

2. The unusual structures visible in this image are:

  1. capsules
  2. metachromatic granules
  3. spores *
  4. palisades
  5. acid-fast bacteria

3. Which of the following bacteria are cocci?

  1. Escherichia coli
  2. Staphylococcus aureus *
  3. Bacillus anthracis
  4. both a and b
  5. both b and c

4. The arrow in this slide is pointing to a ______.

  1. coccus
  2. bacillus
  3. spirochete
  4. spore
  5. capsule *

5.Based on its morphology, the organism at the arrow in this image most likely is

  1. Streptococcus
  2. Escherichia
  3. Neisseria
  4. Sarcina
  5. Campylobacter *

6. If a bacterium is rod-shaped, it is always classified as

  1. a coccus
  2. a bacillus *
  3. a Bacillus
  4. a spirochete
  5. a spirillum

7. The genus name of the organisms shown in this image most likely is

  1. Neisseria
  2. Staphylococcus
  3. Streptococcus
  4. Sarcina *
  5. Bacillus

8. The patient whom this slide was made from most likely has the disease

  1. gonorrhea *
  2. tuberculosis
  3. diptheria
  4. food poisoning
  5. amoebic dysentery

9. Yeasts are ________ cells.

  1. procaryotic
  2. eucaryotic *
  3. both procaryotic and eucaryotic
  4. neither procaryotic nor eucaryotic

10. The decolorizer used for the sputum specimen shown in this image is acid-alcohol. The primary dye is carbolfuchsin and the counterstain is methylene blue. The patient this slide was taken from most likely is

  1. completely healthy.
  2. suffering from tuberculosis. *
  3. suffering from gonorrhea.
  4. suffering from tetanus.
  5. suffering from diptheria.