Safe Laboratory Practices Which safe laboratory practices should be observed before commencing any work in the laboratory? Select all that apply.

Options

A.a. Your TA is present.

B.b. Another student is present in the lab.

C.c. Your bag is on the shelf underneath the bench.

D.d. Safety glasses are on, even if you already wear glasses.

E.e. You are wearing sandals.

F.f. Laboratory coat is on, and buttoned up.

G.g. You are wearing fully-enclosed shoes, with good soles.

H.h. Long hair is tied up.

I.i. Safety glasses are on, unless you wear glasses.

J.j. Your bag is on the bench.

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Step-by-Step Analysis

The question asks which safe laboratory practices should be observed before commencing any work in the laboratory, with multiple correct choices. Option a: 'Your TA is present.' While supervision can be helpful, safety procedures do not require the TA to be present as a formal prerequisite for starting work. This is more about supervision than a mandatory safety practice, so this is not a definitive safety requirement. Option b (not selected in the provided answers): 'Another student is pre......Login to view full explanation

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