ALL OF THE QUIZZES DONE IN BIOL 3201
LAB QUESTIONS AND CORRECT ANSWERS
\.Microorganisms are normally found in a person's cerebrospinal fluid. (true or
false) - ANSWERS✔-false
\.Microbes are in the water we drink. - ANSWERS✔-true
\.Taking precautions to prevent the contamination of others, yourself, your
surroundings, and your lab supplies is known as... - ANSWERS✔-aseptic technique
\.Loops and needles are sterilized by... - ANSWERS✔-flaming them
\."Ubiquity of microorganisms" means... - ANSWERS✔-microorganisms are
everywhere
\.Test tubes are disposed of in/on the.... - ANSWERS✔-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. - ANSWERS✔-bsl 4
, \.When inoculating a Petri plate, what do you do with the lid of the plate? -
ANSWERS✔-leave it on the counter
\.Lab coats, gloves, and respirators must be worn as personal protective
equipment (PPE) in this type of lab. - ANSWERS✔-bsl 3
\.Collects and directs the light from the light source to the slide and is located
under the stage of a microscope. - ANSWERS✔-condenser
\.Brightfield microscopes have three lens systems:.... - ANSWERS✔-oculars,
objectives, condenser
\.When focusing the ___ objective(s), you only adjust the fine focus
adjustment/knob. - ANSWERS✔-40x and 100x
\.Decolorizer for Gram stain. - ANSWERS✔-ethanol
\.You use ____ to clean the oculars, objectives, and stage of a microscope. -
ANSWERS✔-lens wipes
\.Simple staining uses - ANSWERS✔-methylene blue
\.On a microscope, the amount of light that reaches the slide is controlled by a
_________ located inside the condenser. - ANSWERS✔-diaphragm
LAB QUESTIONS AND CORRECT ANSWERS
\.Microorganisms are normally found in a person's cerebrospinal fluid. (true or
false) - ANSWERS✔-false
\.Microbes are in the water we drink. - ANSWERS✔-true
\.Taking precautions to prevent the contamination of others, yourself, your
surroundings, and your lab supplies is known as... - ANSWERS✔-aseptic technique
\.Loops and needles are sterilized by... - ANSWERS✔-flaming them
\."Ubiquity of microorganisms" means... - ANSWERS✔-microorganisms are
everywhere
\.Test tubes are disposed of in/on the.... - ANSWERS✔-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. - ANSWERS✔-bsl 4
, \.When inoculating a Petri plate, what do you do with the lid of the plate? -
ANSWERS✔-leave it on the counter
\.Lab coats, gloves, and respirators must be worn as personal protective
equipment (PPE) in this type of lab. - ANSWERS✔-bsl 3
\.Collects and directs the light from the light source to the slide and is located
under the stage of a microscope. - ANSWERS✔-condenser
\.Brightfield microscopes have three lens systems:.... - ANSWERS✔-oculars,
objectives, condenser
\.When focusing the ___ objective(s), you only adjust the fine focus
adjustment/knob. - ANSWERS✔-40x and 100x
\.Decolorizer for Gram stain. - ANSWERS✔-ethanol
\.You use ____ to clean the oculars, objectives, and stage of a microscope. -
ANSWERS✔-lens wipes
\.Simple staining uses - ANSWERS✔-methylene blue
\.On a microscope, the amount of light that reaches the slide is controlled by a
_________ located inside the condenser. - ANSWERS✔-diaphragm
