CSI 262 Chapter 1: Safety

Which of the following is a basic component of universal precautions?

• Eating in the lab

• Using shared lab coats

• Wearing sandals in the lab

• Hand washing after glove removal

Which type of protective clothing is essential when handling biological materials?

• Cotton shirts

• Open-toed shoes

• Lab coat

• Wool gloves

What color bin is typically used for disposing of infectious biological waste?

• Yellow

• Green

• Black

• Blue

Which of the following is NOT considered personal protective equipment (PPE)?

• Face mask

• Hand sanitizer

• Gloves

• Safety goggles

Why should lab coats remain within the laboratory?

• For personal comfort

• To keep them clean

• To prevent contamination spread outside the lab

• To avoid color fading

Universal precautions are important because ______

• They prevent the spread of infectious agents

• They help manage equipment cost

• They minimize the risk of injury only

• They make the lab look professional

Sharps such as needles and broken glass should be disposed of in

• A sealed envelope

• A regular trash bin

• A biohazard bag

• A designated sharps container

You accidentally spill a biohazardous sample on the floor. What is your first action?

• Inform your lecturer and follow spill-cleanup procedure

• Wipe it with tissue

• Leave it and report later

• Ignore if no one saw it

While working with blood samples, your glove tears. What should you do?

• Continue working quickly

• Remove the gloves and continue barehanded

• Tape the glove

• Discard the glove, wash hands, and replace with a new glove

A student forgets to disinfect the workspace after an experiment. What risk does this pose?

• Equipment malfunction

• Spread of contamination and infection

• No risk at all

• Reduced experimental yield