Quiz

April 2010 MinIQuiz Answers

1.Which of the following is not a disease caused by staphylococcal toxin?

x Food poisoning
check Necrotizing fasciitis
x Scalded skin syndrome
x Toxic shock syndrome

The correct answer is...

Necrotizing fasciitis may be caused by Streptococcus pyogenes or a polymicrobial mixture of aerobic and anaerobic flora but does not involve staphylococcus or its toxin.

2. Streptococcus pneumoniae causes about how many cases of pneumonia in the US each year ?

x 200,000
x 300,000
x 400,000
check 500,000

The correct answer is...
500,000

S. pneumoniae causes about 500,000 cases of pneumonia annually.

3.Which of the following is not a complication of streptococcal infection?

x Acute glomerulonephritis
check Scalded skin syndrome
x Scarlet fever
x Toxic shock syndrome

The correct answer is...
Scalded skin syndrome

Streptococci can cause impetigo or cellulitis, but they do not cause scalded skin syndrome, which is caused by staphylococci.

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