dxtxpx
Forum Guru
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Posts: 1,233
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Two weeks prior to Christmas vacation, a sixth grader developed a severe pharyngitis. he also complained of fever & tenderness in his joints. A thorough exam of child revealed that an infection had existed even earlier but was not reported by the child. Pain was experienced in multiple joints. His throat was grossly inflamed and throat swab culture produced small, clear beta hemolytic colonies on blood agar
I) Sx are consistent with early stages of :
a) croup
b) scarlet fever
c) rheumatic fever
d) typhoid fever
e) Q fever
II) Causative organism is:
a) Parainfluenza viruses
b) Salmonella typhi
c) Strep pyogenes
d) Coxiella burnetii
e) Staph aureus
III) Which of the following antigens produced by organisms is an antiphagocytic virulence factor
a) alpha hemolysin
b) beta hemolysin
c) C carbohydrates
d) M protein
e) Coagulase
IV) An antibiotic effective in treatment of the infection is
a) penicillin
b) tetracycline
c) chloramphenicol
d) sulfadiazine
e) neomycin
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| drmka
Forum Junior
Topics: 1
Posts: 59
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Rheumatic fever....
M protein
Penicilin...
S.Pyogenes
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| dxtxpx
Forum Guru
Topics: 259
Posts: 1,233
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other answers are correct but scarlet fever???
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