Causes of Bacterial Lymphadenitis: Staphylococci Characteristics

Staphylococci are gram positive cocci arranged in grape like clusters, non motile and non spore forming, and are coagulase and catalase ______

Staphylococci can grow on nutrient agar producing ______ colonies

Group A streptococci are gram positive cocci arranged in ______

Group A streptococci grow on blood agar producing ______ hemolysis

Laboratory diagnosis of bacterial lymphadenitis includes smear staining and ______ culture

Bacterial toxins produced by Staphylococci include enterotoxins, toxic shock syndrome toxins, and ______

Lipoteichoic acid covers the ______ mediate adherence.

F protein: mediate adherence and internalization into the ______.

Streptokinase(fibrinolysin) dissolve ______.

Streptodornase(DNAse)depolymerize DNA in ______ aganist (ASO).

Mycobacteria are rods that aren’t stained by gram stain due to high lipid content of cell wall stained by ______ stain.

Tuberculin skin test (Mantoux test): ID injection of 0.1 ml pf ppD in the forearm induration appear after 48-72hs.Delayed hypersensitivity reaction Disadvantage cannot distinguish between ______ or active TB.

Patients with symptoms of an upper respiratory tract infection, sore throat, earache, conjunctivitis, or impetigo may be at risk for developing lymphadenitis caused by ______

Gram stain of aspirated tissue is done to evaluate bacterial etiologies in cases of lymphadenitis caused by ______

Culture of aspirated tissue or biopsy specimen is crucial to determine the causative organism and its sensitivity to antibiotics in cases of lymphadenitis caused by ______

Monospot or Epstein-Barr virus (EBV) serology is used to confirm the diagnosis of infectious mononucleosis, which can be caused by ______

Skin testing or purified protein derivative (PPD) is used to confirm the diagnosis of tuberculous lymphadenopathy, which is caused by ______

Elevated WBC count in CBC may indicate an infectious etiology in cases of lymphadenitis caused by ______