BI 234 LAB 1 ANSWER KEY EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
The protocols and procedures of which Biosafety Level are found in all four
levels?
Handwashing, PPE for smears and bacteria in liquids
Which Biosafety Level includes the protocols and procedures of all other levels?
BSL-4
Which organism is more likely to cause serious disease, a BSL-2 organism or a
BSL-3 organism?
BSL-3 organism
Which Biosafety Level requires the use of sealed biosafety cabinets or positive-
pressure suits?
BSL-4
What Biosafety Level is the BI 234 lab on the Cascade campus?
BSL-1
When is handwashing required in the Cascade microbiology lab?
Before and after lab, incidental exposure, after removing gloves
What PPE is required when working with a chemical like hydrogen peroxide?
Goggles
When should disinfection of lab benches in the Cascade lab be done?
Before and after class
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
The protocols and procedures of which Biosafety Level are found in all four
levels?
Handwashing, PPE for smears and bacteria in liquids
Which Biosafety Level includes the protocols and procedures of all other levels?
BSL-4
Which organism is more likely to cause serious disease, a BSL-2 organism or a
BSL-3 organism?
BSL-3 organism
Which Biosafety Level requires the use of sealed biosafety cabinets or positive-
pressure suits?
BSL-4
What Biosafety Level is the BI 234 lab on the Cascade campus?
BSL-1
When is handwashing required in the Cascade microbiology lab?
Before and after lab, incidental exposure, after removing gloves
What PPE is required when working with a chemical like hydrogen peroxide?
Goggles
When should disinfection of lab benches in the Cascade lab be done?
Before and after class
