Multiple choice Which of the following is a set of obligate anaerobes only? Nocardia, Peptostreptococcus, Propionibacterium, Treponema Nocardia, Peptostreptococcus, Treponema, Veillonella Peptostreptococcus, Propionibacterium, Treponema, Veillonella Peptostreptococcus, Propionibacterium, Staphylococcus, Treponema Propionibacterium, Staphylococcus, Treponema, Veillonella Reveal answer Fill a bubble to check yourself C Correct answer Explanation Peptostreptococcus, Propionibacterium, Treponema, Veillonella: All are obligate anaerobes.