Term
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Definition
Streptococcus mitis
(Pertains to all of 14.1) |
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Term
14.1.1
What is the normal habitat of this (Streptocuccus mitis) bacterium? |
|
Definition
| Streptococcus mitis is part of the normal flora of the throat |
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|
Term
14.1.2
What type of hemolysis does it (Streptococcus mitis) produce on blood agar? |
|
Definition
| It produces Alpha hemolysis (incomplete greenish zone) on blood agar. |
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|
Term
14.1.3
How can it (Streptococcus mitis) be differentiated from Streptococcus pneumonia? |
|
Definition
| By the fact that Streptococcus mitis is NOT inhibited by Optochin when a disk containing that chemical is placed on the culture plate immediately after inoculation. Streptococcus pneumonia is susceptible to (and inhibited by) Optochin. |
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Term
|
Definition
|
|
Term
14.2.1
Describe the gram reaction and morphology of the bacteria at the tip of the pointer on the previous slide |
|
Definition
| Gram positive cocci in chains |
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|
Term
14.2.2
What genus of bacterium is this? |
|
Definition
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|
Term
14.2.3
What species of this bacterium is most virulent? Name some diseases caused by this species |
|
Definition
| Streptococcus pyogenes, strep throat, scarlet fever, etc. |
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