Streptococcus Hemolysis Flashcards
1
Q
Alpha hemolysis
A
streptococci causing partial lysis of hemoglobin
2
Q
Optochin sensitivity
A
A chemical or a drug that is toxic to some bacteria but harmless to others. It is useful in the identification of Streptococcus pneumoniae , the alpha-hemolytic Streptococcus most commonly susceptible to this chemical
3
Q
which type of streptococci bacteria is Optochin resistant?
A
Strep Viridans
mutans and mitis
4
Q
Identify strep pneumoniae
A
classification: gram pos
shape: cocci
catalse: negative
Hemolysis: alpha (partial)
Optochin: sensitive
Bile soluble: yes
Capsule ? yes
5
Q
Identify Viridans
Streptococcus Mutans
A
Class: Gram pos
Shape: cocci
catalase negative
Hemolysis: partial (alpha)
coagualse: negative
Optochin: resistant
Bile soluble: no
Capsule: none
6
Q
A
