1.An elderly man comes in with fever, chest discomfort, and a dry cough. His sputum culture grew bacteria on charcoal yeast extract agar. Which organism is most likely responsible?
2.Which enteric bacterium is characterized by being anaerogenic and lacking motility?
3.Which microorganism is responsible for causing cat-scratch disease?
4.Which microorganism is responsible for causing erysipelas?
5.Identify the microorganism that requires oxygen for survival and growth.
6.Which toxin is responsible for causing staphylococcal toxic shock syndrome (SSS)?
7.A 6-year-old boy presents with abdominal pain and vomiting occurring within 6 hours after eating dairy products. Which microorganism is the most probable cause of his symptoms?
8.Which of the following represents the most basic mechanism of gene transfer?
9.Which antigen is utilized in the Weil-Felix test?
10.A diabetic individual was diagnosed with cellulitis caused by methicillin-resistant Staphylococcus aureus (MRSA) based on antibiotic susceptibility results. Which of the following antibiotics would NOT be suitable for treatment?
11.Which culture medium is specifically used to grow Bordetella pertussis?
12.Which diseases did Pasteur create vaccines for?
13.In which type of organisms are teichoic acids found within their cell walls?
14.Where can pathogenic treponemes be successfully sustained?
15.What type of microorganism is Borelia vincenti classified as?
16.Which of the following laboratory tests is NOT useful for differentiating Streptococcus mutans from other oral streptococci?
17.A veterinarian presented with a fever of unknown cause. Blood cultures grown on specialized media revealed gram-negative short rods that tested positive for oxidase. Which organism is most likely responsible for the infection?
18.Which test is used to distinguish Pneumococcus from Streptococcus?
19.On what basis is Streptococcus categorized?
20.Where can Mycobacterium leprae, the bacterium causing leprosy, be cultivated successfully?