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Which of the following gram-positive cocci are bacitracin sensitive?
Sort elements:
Novobiocin sensitive
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Novobiocin resistant
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Bacitracin resistant
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Bacitracin sensitive
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Optochin sensitive
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Optochin resistant
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Viridans streptococci display ______
Which complications could be seen three weeks after Group A Streptococcal impetigo?
According to additional symptoms presented below which of the following is a cause?
pharyngitis, no rash on palms and soles, blanching “sandpaper” rash, sunburn-like with goose pimples
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asian child, erythema of the palms and soles, swelling of the hands or feet, desquamation of the fingers and toes, bilateral conjunctivitis, lymphadenopathy
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Catalase +, Coagulase +
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Catalase -, Coagulase –
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Which of the following is most likely a cause?
Which of the following is scalded skin syndrome pathogenicity factor?
Sort elements:
detachment at the junction between epidermis and dermis
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detachment from stratum granulosum (upper layers of the epidermis)
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Sort Group A Streptococcal infections and sequelae:
pharyngitis
scarlet fever |
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pharyngitis
skin infection |
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Sort sputum color and causative agents of pneumonia:
“Rusty” sputum
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“Currant jelly” sputum
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Salmon-colored sputum
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Which of the following is most likely a cause?
Pick bacterial toxins that act as superantigens:
Sort bacteria and diseases:
Dental caries; Subacute endocarditis
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Urinary and biliary infections; Subacute endocarditis
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Endocarditis in IV drug users; Prosthetic valve endocarditis; Prosthetic joint osteomyelitis
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Endocarditis / bacteremia in colon cancer
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Infective endocarditis:
Valves are initially intact
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Valves are previously damaged or congenitally abnormal
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What else could be seen?
Which of the following bacteria are able to produce substance that allows them to enlarge the area of hemolysis formed by the Staphylococcus aureus?
Sort causes of infective endocarditis:
S. aureus – most common cause, Pseudomonas, Candida
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Staphylococcus aureus
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Coxiella burnetti, HACEK
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S epidermidis
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Viridans streptococci
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Streptococcus bovis
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Symptoms challenge:
subacute endocarditis
colon cancer
Which of the following is a cause?
Sort most common causes of pneumonia and age group:
18–40 years old
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< 4 weeks
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4 weeks –18 years old
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> 40 years old
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Which of the following gram-positive cocci are novobiocin resistant?
Pharyngitis caused by group A Streptococcus may lead to:
Which of the following best describes Staphylococcus aureus Protein A function?
Which of the following bacteria are pyrrolidonyl arylamidase positive?
Staphylococcus epidermidis displays ___________
Sort elements:
Gram+ cocci in clusters
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Gram+ cocci in chains
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Catalase converts:
Pick catalase-positive species:
Sort elements:
Group B streptococci
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Group A streptococci
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CSF culture is most likely positive for which of the following bacteria?
Pick Streptococcus pyogenes spreading factors and exotoxins:
Staphylococcus aureus displays _________________
The causative bacteria is ___________
Pick members of Viridans streptococci group:
Which of the following gram-positive cocci produce a greening reaction on blood agar?
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