Bacterial Lymphadenitis and Staphylococci Infections
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Questions and Answers

Lipoteichoic acid mediates adherence to pilli.

False

Streptokinase is an enzyme that depolymerizes DNA in exudate.

False

Streptolysins are oxygen labile and do not induce an immunogenic response.

False

Mycobacteria are rods that are easily stained by Gram stain.

<p>False</p> Signup and view all the answers

Tuberculin skin test can differentiate between latent TB and active TB.

<p>False</p> Signup and view all the answers

Biochemical testing for catalase can be used to identify colonies of mycobacteria.

<p>False</p> Signup and view all the answers

Staphylococci are gram negative cocci arranged in grape like clusters.

<p>False</p> Signup and view all the answers

Staphylococci are motile and spore forming.

<p>False</p> Signup and view all the answers

Coagulase is an enzyme that coagulates plasma with fibrin deposition, making bacteria more susceptible to phagocytosis.

<p>False</p> Signup and view all the answers

Group A streptococci grow on blood agar producing beta hemolysis.

<p>True</p> Signup and view all the answers

M protein is a virulence factor found in Group A streptococci, aiding in serologic classification.

<p>True</p> Signup and view all the answers

Laboratory diagnosis of bacterial lymphadenitis includes only culture on nutrient agar.

<p>False</p> Signup and view all the answers

Toxins produced by Staphylococci include enterotoxins and exfoliative toxins.

<p>True</p> Signup and view all the answers

Streptococci are not considered as causative organisms of bacterial lymphadenitis according to the text.

<p>False</p> Signup and view all the answers

A Gram stain of aspirated tissue is used to evaluate viral etiologies.

<p>False</p> Signup and view all the answers

Cats are not mentioned as a potential risk factor for developing lymphadenitis in the text.

<p>False</p> Signup and view all the answers

An elevated WBC count in a CBC may indicate a non-infectious etiology according to the text.

<p>False</p> Signup and view all the answers

Culture of aspirated tissue is used to determine the causative organism and its sensitivity to antibiotics.

<p>True</p> Signup and view all the answers

Elevated ESR and CRP are specific indicators of inflammation according to the text.

<p>False</p> Signup and view all the answers

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