MICR 290 EXAM 8 QUESTIONS WITH 100%
CORRECT ANSWERS!!
disinfect workspace
What is the first thing you do when entering lab?
Alcohol (70% ethanol)
What do you use to disinfect your workspace?
upon arrival and leaving
When do you disinfect your workspace?
procedure
Everything done in the lab is _______ based.
Capitalize first name (genus) and lowercase second (species)
How to write name of bacteria?
compound light microscope
What is the type of microscope we use?
4x, 10x, 40x, 100x
4 types of objective lenses?
4x
Which objective lens is the scanning objective lens?
40x
Which objective lens is the high (power) dry lens?
100x
Which objective lens is the oil immersion objective lens?
, ocular lens (10x) x objective lens
How to calculate total magnification?
aseptic technique
the method of handling microbes and materials in a way that minimizes contamination
Inoculation
transferring a microbe from one medium to the next
Inoculum
the sample being transferred
innoculating loop
When removing inoculum from a liquid culture, what should you use?
inoculating broth, slant, and plate
types of aseptic techniques
blue
What color should the flame be when sterilizing your inoculating loop?
Until red hot
How long do you sterilize your loop?
30 seconds
How long do you let your loop cool down before inoculating your inoculum?
pinky and ring finger
What fingers do you use to hold the cap when opening a test tube and as you are getting your
sample?
3
How many times do you pass the test tube through the flame after opening and before closing it?
CORRECT ANSWERS!!
disinfect workspace
What is the first thing you do when entering lab?
Alcohol (70% ethanol)
What do you use to disinfect your workspace?
upon arrival and leaving
When do you disinfect your workspace?
procedure
Everything done in the lab is _______ based.
Capitalize first name (genus) and lowercase second (species)
How to write name of bacteria?
compound light microscope
What is the type of microscope we use?
4x, 10x, 40x, 100x
4 types of objective lenses?
4x
Which objective lens is the scanning objective lens?
40x
Which objective lens is the high (power) dry lens?
100x
Which objective lens is the oil immersion objective lens?
, ocular lens (10x) x objective lens
How to calculate total magnification?
aseptic technique
the method of handling microbes and materials in a way that minimizes contamination
Inoculation
transferring a microbe from one medium to the next
Inoculum
the sample being transferred
innoculating loop
When removing inoculum from a liquid culture, what should you use?
inoculating broth, slant, and plate
types of aseptic techniques
blue
What color should the flame be when sterilizing your inoculating loop?
Until red hot
How long do you sterilize your loop?
30 seconds
How long do you let your loop cool down before inoculating your inoculum?
pinky and ring finger
What fingers do you use to hold the cap when opening a test tube and as you are getting your
sample?
3
How many times do you pass the test tube through the flame after opening and before closing it?
