Quiz to study for McNeely's Lab Exam #1: Includes: oil immersion aseptic technique streaking for isolation gram staining acid-fast staining special staining
Scanning
Low-dry
Oil immersion
4
40
10
High-dry
Low-dry
Scanning
Low-dry
High-dry
Oil immersion
Scanning
Low-dry
Oil immersion
40
1000
100
400
40
1000
10
400
1000
Shuts off the light
Collects light
Condenses light
Alternate light source
Only light source
Turns light on, controls light
Adjustment for light coming through the abbe condenser; want it to ideally be in the middle; when looking through lens, light shouldn't be blinding.
Iris diaphragm
Abbe condenser
Fine focus
To use oil to replace air and to prevent refraction at a glass-air interface.
To use oil to replace air to prevent absorption of bacteria
3, 2, 1
1, 2, 3,
2, 3, 1
Non-fastidious bacteria
Fastidious bacteria
Requires extra nutirents
Differences in size
Shape
Color or pigment
Weight
Toxicity
Texture
Density
To not allow bacteria to unnecessarily clump or to let it dissolve into agar
To prevent buildup of condensation that would ruin the culture
Air contamination
Buildup of condensation
Grows on different mucosal surfaces of the body
GI tract
Vagina
Armpit
Throat, mouth
Nose
Sinuses
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