Colony Info/Stain/Cells Flashcards Preview

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Flashcards in Colony Info/Stain/Cells Deck (17)
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1
Q

when examining an agar plate, if the description of morphology is “R”, it means ____; “S” means ____

A
R = rough
S = smooth
2
Q

acid fast stain used for ____

A

mycobacterium

3
Q

blood agar used for ____

A
streptococcus categories
(demonstrates types of hemolysis)
4
Q

alpha hemolysis is partial and has ____ ring

(2) examples

A

green ring
strep pneumonia
strep viridans

5
Q

MC cause of meningitis

A

strep pneumonia (quelling reaction)

6
Q

bacteria for subacute bacterial endocarditis

A

strep viridians (must have rheumatic fever first)

7
Q

gamma hemolysis has a ___ ring, bacteria is ____

A

red

strep mutans

8
Q

strep mutans causes

A

dental cavities/carries

9
Q

chocolate agar aka (2) and tests for ___

A

heated blood agar
Thayer Martin Agar
gonorrhea

10
Q

Giemsa stain tests for

A

protozoa

11
Q

primary stain (for gram stain procedure)

A

crystal violet or methylene blue

12
Q

Fixer stain (for gram stain procedure)

A

iodine - mordant

13
Q

Decolorizer (for gram stain procedure)

A

Acetone (or ethyl alcohol) – alcohol wash

14
Q

counterstain (for gram stain procedure)

A

saffarin (red/pink)

15
Q

plasmid DNA transfer via sex pilus

A

conjugation

16
Q

Bacteriophage transfer genetic material

A

transduction

17
Q

direct uptake of FREE DNA

A

transformation