The most common etiologic agent of septic arthritis accounting for approximately 70% of infections is:
a. Streptococcus pyogenes.
b. H. influenzae.
c. S. aureus.
d. Streptococcus mitis.
C
Overall, S. aureus is the most common etiologic agent of septic arthritis, accounting for approx-imately 70% of infections. In adults younger than 30 years of age, however, N. gonorrhoeae is isolated most frequently. H. influenzae has been the most common agent of bacteremia in child-ren younger than 2 years of age, and, consequently, it has been the most frequent cause of infec-tious arthritis in these patients, followed by S. aureus.
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Answer the following statement true (T) or false (F)
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Which of the following is not a function of the midgut?
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Which of the following would be present in highest numbers in the indigenous microflora of the human mouth?
A) a-Hemolytic streptococci B) b-Hemolytic streptococci C) Candida albicans D) Staphylococcus aureus