Microbiology Miscellaneous

15 Points Per Correct Answer - No time limit  

1. What is the role of crystal violet in the performance of a gram stain? counter stain mordant stain decolorizer

2. Which of the following is a gram negative rod? Neisseria lactamica Staphylococcus aureus Klebsiella pneumoniae Listeria monocytogenes

3. Which of the following is a gram positive coccus? Pasteurella multocida Haemophilus influenzae Streptococcus pyogenes Escherichia coli

4. Which of the following is associated with neonatal sepsis due to a disruption of the normal flora of the birth canal? Staphylococcus aureus Streptococcus agalactiae Streptococcus pyogenes Escherichia coli

5. Which of the following is associated with cat bites? Streptococcus pneumoniae Escherichia coli Pasteurella multocida Neisseria meningitidis

6. Which organism causes a sexually transmitted disease? Serratia marcescens Streptococcus pyogenes Neisseria gonorrhoeae Escherichia coli

7. Which organism is the causative agent of bubonic plague? Yersinia enterocolitica Yersinia pestis Burkholderia cepacia Pseudomonas aeruginosa

8. This gram positive rod causes a disease associated with eating contaminated food products. The elderly, newborns, pregnant women, and those with weakened immune systems are particularly at risk. Clostridium botulinum Listeria monocytogenes Clostridium tetani Lactobacillus

9. Which organism is the most common causative agent of urinary tract infections? Pseudomonas aeruginosa Staphylococcus saprophyticus Escherichia coli Enterococcus faecalis

10. Which of the following is considered a potential agent of bioterrorism? Enterobacter cloacae Providencia rettgeri Proteus vulgaris Franciscella tularensis