microbiology Lab examination

Who and what are protected by lab safety protocols ?

• students doing the lab activities

• lab instructors and assistants

• anyone who walks in the lab

• the physical lab space and the equipment housed within the lab

What are important safety procedures for microbiology students? (select all that apply)

• wear open toe shoes

• only drink a closed container of water while conducting experiment

• disinfect your lab bench at the begining and end of lab

• wash hands before and after lab experiement

What are some potential hazards that you might encounter in a microbiology lab ? (select all that apply)

• staining your lab coat

• open flames

• sharp or broken glass

• infectious microorganisms

• hot liquids

what are some safety practices when in the lab ? (select all that apply)

• wearing lab coat

• closed toe shoes

• keep a water bottle only with a top

• wearing gloves

• keeping hair tied back and off of shoulders

which objective lens requires oil to be applied for oil immersion ?

• 40x

• 400x

• 100x

• 10x

Answer explanation

which objective lens on the microscope can become dirty if you move the revolving nosepiece in the wrong direction after viewing oil immersion ?

• 100x

• 40x

• 10x

• 30x

which of the following can be viewed using the light microscope during a lab? (select all that apply)

• molecules

• fungi

• plants

• bacteria

• viruses

which metric unit is most appropriate for expressing size of a bacterial cells?

• nanometer (nm)

• meter (m)

• centimeters (cm)

• micrometer (mm)

what organelle can be viewd under the microscope ?

• cytoplasma

• nucleus

• cell wall

• cluster of organelles

• mitochondria