LAB Practical Flashcards
What is agar made from?
Seaweed
Liquid growth media is also known as…
Broth
what is Resident Flora
microorganisms that are always present on or in a person, usually do not cause any disease
what does nosocomial mean?
a disease originating in a hospital
what color does bacteria turn because of crystal violet?
purple
what color does bacteria turn because of safarin?
Red
Aseptic technique is another word for..
Sterile technique
T or F: Soap and water is good to get off hands
TRUE
Bacillus means ___ shaped
ROD shaped
Spirillum means ___ shaped
SPIRAL shaped
Coccus means ____ shaped
CIRCULAR shaped
Why do you have to wait for the loop to cool before putting the bacteria on it?
Because the heat will kill the bacteria (specimen will die)
Why do we burn the opening of the glass tubes?
To keep out the bacteria in the air (sterilize)
FUNCTIONS OF THE MICROSCOPE
A. oculars to ____ specimen
SEE specimen
FUNCTIONS OF THE MICROSCOPE
B. Objective lenses to get closer to the ____
Objective
FUNCTIONS OF THE MICROSCOPE
C. Stage clips to ____ specimen
HOLD specimen
FUNCTIONS OF THE MICROSCOPE
D. illuminator to _____ on specimen
SHINE on specimen
FUNCTIONS OF THE MICROSCOPE
E. Coarse knob to get specimen _____
CLOSER
FUNCTIONS OF THE MICROSCOPE
F. Fine knob to get a more _____ ____ of specimen
CLEARER PICTURE of specimen
Steps for Using Loop
Heat
Cool
Get sample
Heat Again
Cool Again
How long are you supposed to wash your hands?
at least 20 seconds
T or F: acrylic nails hold bacteria
TRUE
Can hand sanitizer be used when hands have visible dirt?
No
Gram positive bacteria..
DO NOT cause disease