BACE - Biotechnician Assistant Credentialing Laboratory Safety and Regulations Questions and Answers

Question 1

A biotechnician needs to find information on the appropriate first-aid measures to take after accidental skin contact with a chemical. Which section of the Safety Data Sheet (SDS) should they consult?

Accepted Answer

Section 4: First-Aid Measures

Answer

Section 8: Exposure Controls/Personal Protection

Answer

Section 2: Hazard(s) Identification

Answer

Section 7: Handling and Storage

Question 2

A researcher is working with human-derived cell lines, which are considered potentially infectious materials under most circumstances. According to OSHA's Bloodborne Pathogens Standard, which of the following is the MOST appropriate combination of engineering controls and personal protective equipment (PPE)?

Accepted Answer

A Class II Biosafety Cabinet, lab coat, and gloves.

Answer

A chemical fume hood and nitrile gloves.

Answer

A standard lab coat and safety glasses.

Answer

A respirator and chemical splash goggles.

Question 3

A biotechnician has just finished running an agarose gel stained with ethidium bromide, a known mutagen. Which of the following is the proper procedure for disposing of the used gel?

Accepted Answer

Place it in a designated, sealed hazardous waste container for ethidium bromide.

Answer

Rinse it thoroughly with water and then dispose of it in the biohazard bag.

Answer

Discard it in the regular trash can since the concentration is low.

Answer

Autoclave it with other biological waste to neutralize the chemical.

Question 4

A technician prepares a diluted working solution of a hazardous chemical in a spray bottle for daily use. The original stock bottle has a complete GHS label. What is the MINIMUM information required by OSHA on the label for this new 'secondary container'?

Accepted Answer

The chemical identity and words, pictures, or symbols indicating the hazard.

Answer

The full GHS label, including all pictograms and hazard statements.

Answer

The name of the technician who prepared it and the date of preparation.

Answer

A piece of tape with the chemical formula written on it.

Question 5

The OSHA Hazard Communication Standard (HCS) is primarily designed to ensure that:

Accepted Answer

the hazards of all chemicals are evaluated and this information is communicated to employees.

Answer

employees are provided with hepatitis B vaccinations free of charge.

Answer

all laboratory waste is segregated and disposed of correctly.

Answer

emergency eyewash stations and safety showers are tested weekly.

Question 6

While transferring a concentrated acid from a large bottle to a smaller one, a technician spills approximately 200 mL on the laboratory floor. What should be their FIRST action?

Accepted Answer

Alert nearby personnel and the lab supervisor of the spill.

Answer

Immediately wipe up the spill with paper towels and dispose of them in the trash.

Answer

Use a spill kit to contain and absorb the acid.

Answer

Pour a strong base over the spill to neutralize it.

A biotechnician needs to find information on the appropriate first-aid measures to take after accidental skin contact with a chemical.Which section of the Safety Data Sheet (SDS) should they consult?

A biotechnician needs to find information on the appropriate first-aid measures to take after accidental skin contact with a chemical.
Which section of the Safety Data Sheet (SDS) should they consult?