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Identification of Staphylococcus lugdunensis Quiz

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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?

Bacteria are generally not present in the blood of patients Signup and view all the answers

What is a common outcome of endocarditis infections?

Destruction of valve tissue Signup and view all the answers

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

L-lactic acid Signup and view all the answers

How are enterococci typically arranged?

In pairs and short chains Signup and view all the answers

Which of the following is a characteristic of enterococci?

They are usually non-hemolytic Signup and view all the answers

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

Antibiotic-resistant strains Signup and view all the answers

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

Daptomycin, linezolid, streptogramins, tigecycline Signup and view all the answers