Urethral Discharge Organisms Quiz

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Questions and Answers

Which of the following organisms is more likely to cause the urethral discharge described in the text?

  • Candida albicans
  • Chlamydia trachomatis (correct)
  • Treponema pallidum
  • Mycoplasma pneumoniae

Which of the following organisms forms elementary bodies and is an obligate intracellular parasite?

  • Mycoplasma pneumoniae
  • Ricketsia rickettsii (correct)
  • Chlamydia pneumoniae
  • Mycobacterium tuberculosis

Which organism is responsible for most cases of nongonococcal urethritis?

  • Escherichia coli
  • Chlamydia trachomatis (correct)
  • Neisseria gonorrhoeae
  • Treponema pallidum

Which of the following statements concerning chlamydial genital tract infections is NOT correct?

<p>Infection can be diagnosed by finding antichlamydial antibody in a serum specimen (C)</p> Signup and view all the answers

Which of the following organisms is most likely responsible for the food poisoning due to ingestion of fried rice?

<p>Bacillus cereus (D)</p> Signup and view all the answers

Which statement is correct concerning Bacillus anthracis organism?

<p>It may be spread in a body via lymphatic or blood stream and cause septicemia (C)</p> Signup and view all the answers

The 'Medusa head' colonies on nutrient agar are seen when the diagnosis is developed for which disease?

<p>Anthrax (C)</p> Signup and view all the answers

Which of the following statements concerning the available vaccine against anthrax is accurate?

<p>Highly virulent heat-killed whole organism (B)</p> Signup and view all the answers

Which of the following paired properties are important virulence determinants of B. anthracis?

<p>Exotoxin and endotoxin (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Bacillus anthracis?

<p>'Medusa head' colonies are seen when diagnosed (C)</p> Signup and view all the answers

Which of the following zoonotic diseases has NO arthropod vector?

<p>Anthrax (C)</p> Signup and view all the answers

Which organism produces a frequently misdiagnosed food poisoning associated with fried rice?

<p>Bacillus cereus (D)</p> Signup and view all the answers

Which one of the listed below bacteria paired with a mode of transmission is correct?

<p>Leptospira interrogans - infected urine (C)</p> Signup and view all the answers

The lab test which can be used to distinguish epidemic and endemic relapsing fever is:

<p>Serological test for IgM antibody (C)</p> Signup and view all the answers

Which of the following diseases is not a zoonotic disease?

<p>Epidemic relapsing fever (C)</p> Signup and view all the answers

Which one of the following statements regarding Lyme disease is correct?

<p>The causative agent is a spirochete bacterium (A)</p> Signup and view all the answers

"The cause of the relapses in relapsing fever is:

<p>Changing in pathogen’s antigens (A)</p> Signup and view all the answers

"Each of the following statements about Weil’s disease is correct, except:

<p>It can be transmitted from animals to humans by tick bite (B)</p> Signup and view all the answers

Which of the following clinical forms of anthrax most likely has a poor prognosis?

<p>Pulmonary anthrax (D)</p> Signup and view all the answers

Which one of the followings is the major reservoir for B. anthracis infection?

<p>Spores in soil (D)</p> Signup and view all the answers

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