The organism that can be encountered in the conjunctival sac and that exists as indigenous flora is:
a. Staphylococcus epidermidis.
b. Bacteroides fragilis.
c. Staphylococcus aureus.
d. Moraxella lacunata.
A
Rather sparse indigenous flora exists in the conjunctival sac. S. epidermidis and Lactobacillus spp. are the most frequently encountered organisms; Propionibacterium acnes may also be present. S. aureus is found in less than 30% of people, and Haemophilus influenzae colonizes 0.4% to 25%. Moraxella catarrhalis, various Enterobacteriaceae, and various streptococci (Streptococcus pyogenes, Streptococcus pneumoniae, other á-hemolytic and ã-hemolytic forms) are found in a very small percentage of people.
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Answer the following statement true (T) or false (F)
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