Ch 8: Housekeeping Tasks & Contamination Control

List the four most common types/groups of microorganisms found in the animal care facility.

Bacteria

Viruses

Fungi

Protozoa

Name three processes used to either remove or kill microorganisms.

Sanitization

Disinfection

Sterilization

List five strategies to prevent infestation of the facility.

Examine all feed and bedding bags

Reject torn bags

Keep animal holding areas clean

Properly store and dispose feed/bedding

Keep exterior doors/windows closed

Seal cracks

List two items of PPE that should be worn when handling bulk quantities of chemicals.

Eye or face protection

Chemical-resistant gloves

Give one reason why you must remove organic matter such as hair, saliva, urine, and feces before sanitizing a surface.

Some sanitizing chemicals are inactivated in the presence of organic matter (encrusted matter may trap and shield microorganisms)

What document provides information on how to handle or safely work with a substance?

A. The chemical safety profile (CSP)

B. The safety data sheet (SDS)

C. The substance handlers’ guide (SHG)

D. The compound use sheet (CUS)

B. The safety data sheet (SDS)

Which of the following is NOT a component of a good pest control program?

A. Good housekeeping

B. Sealing cracks where pests can enter

C. Returning escaped animals to their home cage

D. Proper waste management

C. Returning escaped animals to their home cage

List three means of sterilizing items that cannot be autoclaved.

Irradiation

Dry heat sterilization

Chemical (cold) sterilization

Which of the following statements regarding chemical storage is FALSE?

A. Chemicals should be stored in a cool, dry place

B. Chemicals should not be stored near feed, bedding or enrichment devices

C. The Safety Data Sheet provides information to handle or work with a substance in a safe manner

D. Chemicals should never be stored in their original containers

D. Chemicals should never be stored in their original containers

Which of the following is NOT an important factor in deciding cage change frequency?

A. Number of animals in the cage

B. The presence or absence of enrichment materials

C. The cage size

D. Type of bedding used

B. The presence or absence of enrichment materials

What is the term for a bacteria that has formed a tough outer coat for protection against harsh environmental conditions?

A. A yeast

B. A viral coat

C. A spore

D. A protozoan

C. A spore