Neisseria Meningitidis Infection

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Questions and Answers

What is the primary mode of transmission of Neisseria meningitidis?

  • Direct contact
  • Respiratory droplets (correct)
  • Contaminated food and water
  • Vector-borne transmission

What is the mortality rate of untreated meningitis caused by Neisseria meningitidis?

  • 25%
  • 100% (correct)
  • 50%
  • 75%

What is the characteristic rash seen in Waterhouse-Friderichsen syndrome?

  • Blanching rash
  • Non-blanching rash (correct)
  • Eczematous rash
  • Maculopapular rash

What is the diagnostic sample of choice for Neisseria meningitidis?

<p>Cerebrospinal fluid (CSF) (A)</p>
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What is the characteristic finding in the CSF of bacterial meningitis?

<p>Cloudy CSF with high leukocyte count (B)</p>
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What is the rapid diagnostic test used for Neisseria meningitidis?

<p>Latex agglutination (D)</p>
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What is the primary function of IgA protease in Neisseria gonorrhoeae?

<p>To cleave immunoglobulin A on mucosal surfaces (A)</p>
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What is the primary mode of transmission of Neisseria gonorrhoeae?

<p>Sexual contact (D)</p>
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What is the primary complication of Neisseria gonorrhoeae infection in women?

<p>Pelvic inflammatory disease (C)</p>
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What is the primary method of diagnosis for Neisseria gonorrhoeae?

<p>All of the above (D)</p>
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What is the primary treatment for Neisseria gonorrhoeae infection?

<p>Single-dose ceftriaxone (D)</p>
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What is the purpose of antibiotic eyedrops in newborns?

<p>To prevent ophthalmoblenorrhoea neonatorum (A)</p>
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What is the most common cause of epiglottitis?

<p>Haemophilus influenzae serotype b (B)</p>
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What is the name of the vaccine that provides protection against Haemophilus influenzae serotype b?

<p>Hib vaccine (D)</p>
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What is the typical presentation of chancroid?

<p>Painful ulceration on the genitals (B)</p>
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What is the treatment for non-invasive Haemophilus influenzae infections?

<p>Amoxicillin-clavulate (B)</p>
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What is the mode of transmission of Haemophilus ducreyi?

<p>Sexually transmitted (C)</p>
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Why was Haemophilus influenzae initially misidentified?

<p>It was first isolated from patients with influenza infection (A)</p>
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What is a common characteristic of A. baumannii?

<p>It forms biofilms (A)</p>
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What is the primary habitat of Burkholderia cepacia?

<p>Water (D)</p>
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What is the primary mode of transmission of Legionella pneumophila?

<p>From water through aerosol (D)</p>
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What is the characteristic of Stenotrophomonas maltophilia?

<p>It forms biofilms (A)</p>
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What is the primary disease caused by Burkholderia pseudomallei?

<p>Melioidosis (C)</p>
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What is the treatment of choice for Stenotrophomonas maltophilia?

<p>Sulphamethoxazole-trimethoprim (B)</p>
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What is the primary source of Legionella pneumophila?

<p>Vaporised water from artificial sources (A)</p>
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What is the name of the disease caused by Legionella pneumophila?

<p>Legionnaires' disease (C)</p>
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What is the diagnostic test used to detect Legionella pneumophila antigens in urine?

<p>Urinary rapid antigen testing (C)</p>
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What is the treatment of choice for Legionnaires' disease?

<p>Fluoroquinolons and macrolides (C)</p>
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What is the type of sample used for Bronchoalveolar lavage (BAL)?

<p>Invasive respiratory sample (A)</p>
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What is the purpose of the Oxidase test?

<p>To detect cytochrome oxidase enzyme (C)</p>
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