CMLA REE CMLA Laboratory Safety & Procedures 2

Question 1

Which class of fire extinguisher is appropriate for electrical equipment fires in the laboratory?

Accepted Answer

Class C

Answer

Class A

Answer

Class B

Answer

Class D

Question 2

A sharps container should be sealed and disposed of when it is:

Accepted Answer

Three-quarters full

Answer

Completely full

Answer

Half full

Answer

After each shift regardless of fill level

Question 3

What does the NFPA 704 diamond's blue quadrant indicate?

Accepted Answer

Health hazard

Answer

Flammability hazard

Answer

Reactivity hazard

Answer

Special hazard

Question 4

When centrifuging potentially infectious specimens, which safety measure is mandatory?

Accepted Answer

Using safety-capped centrifuge tubes or sealed rotors

Answer

Opening the lid immediately after stopping

Answer

Centrifuging at maximum speed to reduce time

Answer

Wearing only gloves with no additional PPE

Question 5

A chemical spill of a corrosive acid on the skin should FIRST be treated by:

Accepted Answer

Rinsing with large amounts of water for at least 15 minutes

Answer

Applying a neutralizing base immediately

Answer

Covering with a sterile dressing

Answer

Notifying the supervisor before any treatment

Question 6

Which biosafety level (BSL) is required when working with agents that pose a moderate hazard and are associated with human disease transmitted by ingestion or mucous membrane contact?

Accepted Answer

BSL-2

Answer

BSL-1

Answer

BSL-3

Answer

BSL-4

Question 7

Laboratory specimens should be transported within the facility in containers that are:

Accepted Answer

Leak-proof with a secondary containment bag

Answer

Labeled only with the patient name

Answer

Left open for rapid access by receiving personnel

Answer

Wrapped in paper toweling to absorb spills