2. Lab coats, gloves, face masks, and goggles are all examples of

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Bios 225 lab #1

• Calculate the total magnification of a specimen if the ocular lens is 10x and the objective lens

is 100X –Answer 1000X

• Lab coats, gloves, face masks, and goggles are all examples of

–Answer personal protective equipment.

• Calculate the total magnification of a specimen if the ocular lens is 10x and the objective lens

is 4X –Answer 40x

• When can you bring food and beverages into the lab?

–Answer You are never allowed to do so.

• When should you wash your hands when working in a microbiology lab?

–Answer - Before beginning work in the lab and before leaving the lab.

• Fine adjustment knob

–Answer Identify the object labeled #6

• Rotating nosepiece

–Answer Identify the object labeled #2

• When should you wear closed toed shoes in the lab?

–Answer Always 1 / 2

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• Ocular lens

–Answer Identify the object labeled #1

• A disinfectant is used on your work surface

–Answer

–Answer after all work is complete. after any spill of live microorganisms.before the beginning of laboratory procedures.

• What is the correct way to open an agar plate to either remove a sample or to inoculate?

–Answer Open lid slightly on one side, in a clamshell fashion.

• A substance used to support the growth of microbial life is referred to as a

–Answer culture medium.

• This is a dilution method to spread a colony or loopful of bacteria across a plate to be able

to observe isolated colonies –Answer

–Answer Quadrant streak plate

• The goal of technique is to minimize the contamination of both

original and newly inoculated cultures as well as to protect the laboratory worker from contamination.–Answer aseptic

• Loop

–Answer Identify the instrument

• A is a mound of cells on a solid medium that represents the progeny from

one original bacterial cell.

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