Aerobic and Anaerobic bacteria are common in oral infections. Which bacteria are gram-positive cocci?
  1. Streptococcus spp.
  2. Staphylococcus spp.
  3. Streptococcus spp. and Staphylococcus spp.
  4. Veillonella spp. and Bacteroides spp.
Explanation
Answer: C - Aerobic and Anaerobic bacteria are common in oral infections. Streptococcus spp. and Staphylococcus spp. are gram-positive cocci. The spread of infection depends on virulence of bacteria, anatomic location, and host defenses.
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