Laboratory Safety and Biohazard Management Flashcards

In the PASS technique for operating a fire extinguisher, what does the first 'S' stand for?

Answer: Squeeze

PASS stands for Pull the pin, Aim at the base, Squeeze the handle, and Sweep side to side.

A fire involving burning sodium or magnesium metal is classified as which type?

Answer: Class D

Class D fires involve combustible metals and require dry powder agents rather than water.

Immediately after a needlestick injury with a used needle, the technologist should first:

Answer: Wash the site with soap and water

CDC recommends washing the site with soap and water immediately, then reporting promptly for evaluation and possible PEP.

Which three factors make up the ALARA principle for minimizing radiation exposure?

Answer: Time, distance, and shielding

ALARA minimizes dose by reducing time near the source, increasing distance, and using shielding.

After a chemical splash to the eyes, how long should the eyes be flushed at an eyewash station?

Answer: At least 15 minutes

ANSI Z358.1 specifies at least 15 minutes of continuous flushing for eye exposures.

A coworker is receiving an electric shock from a laboratory instrument. What is the first action?

Answer: Shut off the power source or unplug the equipment

Cutting the power prevents the rescuer from also being shocked, before any first aid is given.

Under OSHA 29 CFR 1910.1030, how often must the employer review and update the Exposure Control Plan?

Answer: At least annually

The Exposure Control Plan must be reviewed at least annually and whenever procedures or tasks change.