3201 Lab 2026 Expert Verifed
Ace the Test
Microorganisms are normally found in a person's cerebrospinal fluid.
(true or false) - ANSWER ✔✔false
Microbes are in the water we drink. - ANSWER ✔✔true
Taking precautions to prevent the contamination of others, yourself, your
surroundings, and your lab supplies is known as... - ANSWER
✔✔aseptic technique
Loops and needles are sterilized by... - ANSWER ✔✔flaming them
, "Ubiquity of microorganisms" means... - ANSWER
✔✔microorganisms are everywhere
Test tubes are disposed of in/on the.... - ANSWER ✔✔discard cart
Biosafety level designation used to describe microorganisms that are
dangerous and exotic with high risk of aerosol transmitted infections.
Rarely are there treatments or vaccines for these microorganisms, and
the diseases they cause are frequently fatal. - ANSWER ✔✔bsl 4
When inoculating a Petri plate, what do you do with the lid of the plate? -
ANSWER ✔✔leave it on the counter
Lab coats, gloves, and respirators must be worn as personal protective
equipment (PPE) in this type of lab. - ANSWER ✔✔bsl 3
Collects and directs the light from the light source to the slide and is
located under the stage of a microscope. - ANSWER ✔✔condenser
Brightfield microscopes have three lens systems:.... - ANSWER
✔✔oculars, objectives, condenser
When focusing the ___ objective(s), you only adjust the fine focus
adjustment/knob. - ANSWER ✔✔40x and 100x
Decolorizer for Gram stain. - ANSWER ✔✔ethanol