Identification of Staphylococcus lugdunensis Quiz
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Questions and Answers

What is the most common way for pneumoniae to spread to the central nervous system?

  • It cannot spread to the central nervous system
  • Through the bloodstream after bacteremia (correct)
  • Through the ear or sinus infections
  • Through head trauma causing communication with the nasopharynx

What typically precedes an otitis media infection?

  • A bacterial infection of the upper respiratory tract
  • No preceding infection, it occurs spontaneously
  • A fungal infection of the upper respiratory tract
  • A viral infection of the upper respiratory tract (correct)

What can occur in patients with both normal and previously damaged heart valves?

  • Sinusitis
  • Endocarditis (correct)
  • Otitis media
  • Bacteremia

Which of the following is true about bacteria in sinusitis or otitis media infections?

<p>Bacteria are generally not present in the blood of patients (B)</p> Signup and view all the answers

What is a common outcome of endocarditis infections?

<p>Destruction of valve tissue (D)</p> Signup and view all the answers

What is the predominant end product of glucose fermentation by enterococci?

<p>L-lactic acid (C)</p> Signup and view all the answers

How are enterococci typically arranged?

<p>In pairs and short chains (A)</p> Signup and view all the answers

Which of the following is a characteristic of enterococci?

<p>They are usually non-hemolytic (B)</p> Signup and view all the answers

What has become a serious problem for enterococcal infections in hospitalized patients?

<p>Antibiotic-resistant strains (D)</p> Signup and view all the answers

Which antibiotics are used to treat antibiotic-resistant enterococcal infections?

<p>Daptomycin, linezolid, streptogramins, tigecycline (D)</p> Signup and view all the answers

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